1/32 DIN Digital Panel Meter K3GN CSM_K3GN_DS_E_5_2 1/32 DIN Digital Panel Meter for Downsizing Equipment and Control Panels • Compact size: 48 x 24 x 82 (W x H x D). • Multi-input compatible: DC voltage/current, rotary pulse. • Two display colors (switchable): green/red. • Selectable outputs. • CE marking and UL/CSA approval. • Splash-proof construction (NEMA4X: equivalent to IP66). Refer to Safety Precautions for All Digital Panel Meters. For the most recent information on models that have been certified for safety standards, refer to your OMRON website. Model Number Structure ■ Model Number Legend K3GN-@@-@-@ 24 VDC 1 2 3 4 1. Input Type ND: DC voltage/current, NPN PD: DC voltage/current, PNP 2. Output Type C: 2 relay contact outputs (SPST-NO) C-FLK: 2 relay contact outputs (SPST-NO) and RS-485 C-L1: 2 relay contact outputs (SPST-NO) and DC current (0 to 20 mA, 4 to 20 mA) C-L2: 2 relay contact outputs (SPST-NO) and DC voltage (0 to 5 V, 1 to 5 V, 0 to 10 V) T1: 3 transistor outputs (NPN open collector) T1-FLK: 3 transistor outputs (NPN open collector) and RS-485 T1-L1: 3 transistor outputs (NPN open collector) and DC current (0 to 20 mA, 4 to 20 mA) T1-L2: 3 transistor outputs (NPN open collector) and DC voltage (0 to 5 V, 1 to 5 V, 0 to 10 V) T2: 3 transistor outputs (PNP open collector) T2-FLK: 3 transistor outputs (PNP open collector) and RS-485 3. Option None: None -400: Normally energized relays 4. Supply Voltage 24 VDC: 24 VDC 1 K3GN Ordering Information ■ List of Models Supply voltage 24 VDC Input type Output type Judgement output DC voltage, DC current, or NPN input 2 relay contact outputs (SPST-NO) 2 relay contact outputs (SPST-NO) Normally energized relays (See note.) Model Data transmission output None K3GN-NDC 24 VDC RS-485 K3GN-NDC-FLK 24 VDC DC current (0 to 20 mA, 4 to 20 mA) K3GN-NDC-L1 24 VDC DC voltage (0 to 5 V, 1 to 5 V, 0 to 10 V) K3GN-NDC-L2 24 VDC None K3GN-NDC-400 24 VDC RS-485 K3GN-NDC-FLK-400 24 VDC DC current (0 to 20 mA, 4 to 20 mA) K3GN-NDC-L1-400 24 VDC DC voltage (0 to 5 V, 1 to 5 V, 0 to 10 V) 3 transistor outputs (NPN None open collector) RS-485 K3GN-NDT1-FLK 24 VDC DC current (0 to 20 mA, 4 to 20 mA) DC voltage, DC current, or PNP input 2 relay contact outputs (SPST-NO) K3GN-NDC-L2-400 24 VDC K3GN-NDT1 24 VDC K3GN-NDT1-L1 24 VDC DC voltage (0 to 5 V, 1 to 5 V, 0 to 10 V) K3GN-NDT1-L2 24 VDC None K3GN-PDC 24 VDC RS-485 K3GN-PDC-FLK 24 VDC 3 transistor outputs (PNP None open collector) RS-485 K3GN-PDT2 24 VDC K3GN-PDT2-FLK 24 VDC Note: Refer to page 5 for information on models with normally energized relays. Specifications ■ Ratings Item K3GN-ND With DC voltage, DC current, and NPN input K3GN-PD With DC voltage, DC current, and PNP input Supply voltage 24 VDC Operating voltage range 85% to 110% of the rated supply voltage Power consumption (at max. load) (See note 1.) 2.5 W max. (at max. DC load with all indicators lit) Input signal DC voltage, DC current, no-voltage contact, open collector DC voltage/current input A/D conversion Double integral method Pulse signal input Pulse measurement method Periodic measurement method External power supply None Control input Present value hold or forced zero (selectable) (See note 2.) Outputs Relay contact output (Outputs depend on the model.) Transistor output 1 A, 30 VDC (resistive load), mechanical life: 50,000,000 operations min., electrical life: 100,000 operations min. Max. load voltage: 24 VDC, Max. load current: 50 mA, Leakage current: 100 μ A max. Communications output RS-485 (2-wire, half-duplex) Linear output DC current (0 to 20 mA DC, 4 to 20 mA: Load: --500 Ω max., Resolution: Approx. 10,000) DC voltage (0 to 5 VDC, 1 to 5 VDC, 0 to 10 VDC: Load: 5k Ω min., Resolution: Approx. 10,000) Display Negative LCD (backlit LCD) display 7-segment digital display, character height: 7.0 mm, and single illuminated display Main functions Scaling, prescaling, teaching, average processing, forced zero, display color selection, output type selection, key protection, startup compensation timer, hysteresis Ambient temperature Operating: −10°C to 55°C (with no condensation or icing) Storage: −25°C to 65°C (with no condensation or icing) Ambient humidity Operating: 25% to 85% Altitude 2,000 m max. Accessories Rubber packing, fixture, operation manual Note: 1. A control power supply capacity greater than the rated capacity is required when the Digital Panel Meter is turned ON. Do not forget to take this into consideration when using several Digital Panel Meters. When power is supplied, all indicators will light and outputs will be OFF. When using startup compensation time operation, the display will read “00000” and all outputs will be OFF. 2. Enabled only when using DC voltage/current input. (Min.time for control signal input: 80 ms) 2 K3GN ■ Characteristics Item K3GN-ND With DC voltage, DC current, and NPN input K3GN-PD With DC voltage, DC current, and PNP input Input signal DC voltage/current (4 to 20 mA, 1 to 5 V, ±5 V, ±10 V) No-voltage contact (30 Hz max. with ON/OFF pulse width of 16 ms min.) Open collector (5 kHz max. with ON/OFF pulse width of 90 μs min.) Displayable range 5 digits (-19999 to 99999) Sampling period 250 ms Display refresh period Sampling period: 250 ms (at 4 Hz min.), 250 × Number of averaging times (ms) (with average processing selected), Input pulse cycle (at less than 4 Hz): Input pulse cycle × Number of averaging times Comparative output response time (transistor outputs) 750 ms max. (transistor output) (The time required for the judgment output to be output if the input signal rapidly changes from 15% to 95% or from 95% to 15%.) Linear output response time 750 ms max. (The time required for the analog output to be --output if the output signal rapidly changes from 15% to 95% or from 95% to 15%.) Insulation resistance 20 MΩ min. (at 500 VDC) between external terminal and case. Insulation provided between inputs, outputs, and power supply. Dielectric strength 1,000 VAC for 1 min between external terminal and case. Noise immunity ±480 V on power supply terminals in normal mode, ±1,500 V in common mode, ±1 μs, or 100 ns for square-wave noise with 1 ns Vibration resistance Vibration frequency: 10 to 55 Hz, Acceleration: 50 m/s2 for 10 min each in X, Y, and Z directions Shock resistance Models with transistor outputs: 150 m/s2 three times each in 3 axes, 6 directions Models with contact outputs: 100 m/s2 three times each in 3 axes, 6 directions Weight Approx. 100 g (Main Unit only) Degree of protection Front panel NEMA4X for indoor use (equivalent to IP66), Rear case IP20 Terminals IP00 and finger protection (VDE0106/100) Memory protection Non-volatile memory (EEPROM) (possible to rewrite 100,000 times) Approved standards UL508, CSA C22.2 No. 61010-1 EMC (EMI) Emission Enclosure: (EMS) Immunity ESD: EN 61326-1 Industrial electromagnetic environment EN55011 Group 1 class A EN 61326-1 Industrial electromagnetic environment EN 61000-4-2: 4 kV (contact discharge) 8 kV (air discharge) Immunity RF-interference: EN 61000-4-3: 10 V/m (amplitude-modulated, 80 MHz to 1 GHz) Immunity Fast Transient Noise: EN 61000-4-4: 2 kV (power line) Immunity Burst Noise: 1 kV line to line (I/O signal line) Immunity Surge: EN 61000-4-5: 1 kV line to ground (power line) Immunity Conducted Disturbance EN 61000-4-6: 3 V (0.15 to 80 MHz) Immunity Power Frequency Magnetic EN 61000-4-8: 30 A/m (50 Hz) continuous time ■ Input Ranges: Measurement Range and Accuracy Input type Analog Pulse Remote in-t analg pulse rmt DC current input DC voltage input Analog range 4 to 20 mA Analog range range 4-20 range Connection terminal E-F Connection terminal Current range 20.00 (mA) 22.00 Voltage range (V) 10.00 5.000 0.000 4.00 −5.000 0.00 −10.00 Input impedance 0.00 60 Ω Input impedance Rotary pulse 1 to 5 V ±5 V ±10 V 1-5 5 10 D-E p-fre 30 Hz 5 kHz 30 5k B-C Connection terminal 11.00 5.500 Pulse frequency 5.500 Frequency 5000 range 4000 (Hz) 5000 Range of display from :9999 to 99999 using communications. 3000 0.000 2000 1000 −5.500 0.0 −11.00 1 MΩ min. Measurement ±0.1% full scale ± one digit max. (at accuracy 23±3°C) ±0.1% full scale ± one digit max. (at 23±5°C) 30.00 0.05 0.05 --- --- ±0.1% full scale ± one digit max. (at 23±5°C) --- Note: The shaded ranges indicate default settings. 3 K3GN ■ Input/Output Ratings Relay Contact Output (Incorporating G6K Relays) Item Resistive load (cosφ = 1) Rated load 1 A at 30 VDC Rated through current 1 A max. (at COM terminal) Max. contact voltage 60 VDC Max. contact current 1 A (at COM terminal) Max. switching capacity 30 VA Min. permissible load (P level, reference value) 10 mV, 10 μA Mechanical life 50,000,000 operations min. (at a switching frequency of 36,000 operations/hr) Electrical life (at an ambient temperature of 23°C) 100,000 operations min. (at the rated load with a switching frequency of 1,800 operations/hr) Transistor Output Rated load voltage 24 VDC Max. load current 50 mA Leakage current 100 μA max. Communications Specifications Item RS-485 Communications method 2-wire, half-duplex Synchronization method Start-stop synchronization Baud rate 1,200/2,400/4,800/9,600/19,200 bps Transmission code ASCII Commu- Reading/ nications Writing to the K3GN Read/write comparative set values, read/write scaling values, enable/ disable the writing of data through communications, forced-zero control, and other data. Linear Output Item 0 to 20 mA 4 to 0 to 5 V 1 to 5 V 20 mA Permissible load impedance 500 Ω max. Resolution Approx. 10,000 Output error ±0.5% full scale 0 to 10 V 5 kΩ min. ±0.5 full scale. ±0.15 V at 1 V or less (no output for 0 or less) 4 K3GN Nomenclature 1. Main display 2. Status indicators 2. Status indicators 3. Level indicator 4. Level key 5. Mode key 6. Shift key Name 7. Up/Zero key Functions 1. Main display Displays process values, parameters, and set values. 2. Status indicators OUT1 Lit when output 1 is ON. OUT2 Lit when output 2 is ON. SV Lit when a set value is being displayed or changed. T Lit when the teaching function is enabled. Flashes when the K3GN is in teaching operation. Lit when a calibration value is being displayed during user calibration. Flashes while reading a calibration value. ZERO Lit while the forced-zero function is activated. HOLD Lit when HOLD input is ON. CMW Lit when communications writing is “enabled” and is out when it is “disabled.” 3. Level indicator Displays the current level that the K3GN is in. (See below for details.) 4. Level Key Used to change the level. 5. Mode Key Used to allow the Main display to indicate parameters sequentially. 6. Shift Key Used to enable that set value to be changed. When changing a set value, this key is used to move along the digits. 7. Up/Zero Key Used to change a set value. Used to set or clear a forced-zero function when a measurement value is being displayed. Level indicator Level Protect p Not lit Operation Adjustment a s c f u Initial setting Communications setting Advanced function setting User calibration Models with Normally Energized Relays K3GN-NDC-@-400 24 VDC Relation between Output Type and Relay • The drive operation for the output relay is reversed in these models. • Relay contacts can be made open (i.e., OFF) when comparative set values are being judged. This is effective when constructing systems that take failsafe measures into consideration. List of Models Models with Normally Energized Relays K3GN-NDC-400 24 VDC K3GN-NDC-FLK-400 24 VDC K3GN-NDC-L1-400 24 VDC K3GN-NDC-L2-400 24 VDC Output Operation Upper limit Set value Upper and lower limits Hysteresis Measurement value ON Output OFF Lower limit Measurement value Set value Upper-limit set value Measurement value Lower-limit set value ON Output OFF Note: Hysteresis Hysteresis If Upper/Lower Limit is selected, the upper limit and lower limit for the comparative set value can be set individually and will be displayed for OUT1 and OUT2. Hysteresis ON Output OFF 5 K3GN Connections ■ Terminal Arrangement Output terminals NC 7 8 RS-485 8 7 B (+) A (−) C 7 8 (+) (−) 1 D 7 8 1 2 9 10 11 12 3 4 5 6 A 2 B D 3 Operation power supply 24 VDC Models with Models with Models with PNP transistor outputs NPN transistor outputs relay outputs NC OUT1 9 NC OUT2 COM 10 11 12 OUT1 PASS OUT2 COM 9 10 11 12 OUT1 PASS OUT2 9 10 11 5 6 COM 12 Event or pulse/contact input 1 2 3 Operation power supply 24 VDC B Analog input A Models with PNP inputs Models with NPN inputs Models with linear output C Models with communications Models without communications Input terminals 4 COM Voltage Current Analog input Event or pulse/contact input Terminal No. Name Description A-B Operation power Connect the operation power supply. C-B Event input or pulse/contact input Operates as follows depending on parameter setting: • Holds process value. • Calibrate the process value to zero and clear the forced-zero function. • Pulse or contact input. D,F-E Analog input Connect the voltage or current analog input. G-H Communications RS-485 communications terminals. Linear output 0 to 20 mA DC, 4 to 20 mA DC Outputs Outputs relay or transistor outputs. There is also a PASS output for models with transistor outputs. C-A 0 to 5 VDC, 1 to 5 VDC, 0 to 10 VDC I,K-L I,J,K-L 6 K3GN ■ Block Diagram Key Analog input terminal Display Transistor output (See note 1.) A/D conversion circuit Input circuit Drive circuit Output circuit Drive circuit EEPROM Microcomputer Communications terminal (See note 4.) Communications driver Drive circuit Waveform rectification circuit Control input circuit Contact output (See note 3.) X Output circuit Drive circuit Pulse/ Control input terminal Linear output (See note 2.) Constant voltage circuit 1 Constant voltage circuit 2 Power supply circuit Note: 1. 2. 3. 4. Operating power supply Transistor output models only. Linear output models only. Relay output models only. Models with communications functions only. ■ Input Circuits Analog Input (DC Voltage/Current) Pulse Input/ Event Input (HOLD/ZERO) Use terminal 5 for analog common. • If analog input is selected, 2 and 3 will be the event inputs. Select Hold/Zero with event input allocation. • Use terminal 2 for the common terminal. • Use the NPN open collector or the no-voltage contacts for the control input. − Voltage 4 input − To A/D Current 6 input + COM 5 To A/D + NPN Input COM 5 24 VDC 1 Comparative Output 2 Contact Output 3 24 V 2.35 kΩ 4.7 kΩ 5V PNP Input X OUT1 OUT2 24 VDC + 1 2.35 kΩ 3 Hold/Zero Pulse 4.7 kΩ Transistor Output 24 VDC − PNP Output NPN Output 8.2 Ω 8.2 Ω 8.2 Ω 9 OUT1 10 PASS 11 OUT2 12 COM 2 12 COM 8.2 Ω 11 OUT2 8.2 Ω 10 PASS 8.2 Ω 9 OUT1 7 K3GN Linear Output Linear voltage output + 5 kΩ L min. − Linear current output − − 7 8 + + 500 Ω L max. − 7 + 8 Note: The commons for linear output and transistor output on models with L1 and L2 are connected internally. Depending on how the common is wired for externally connected devices, unwanted current paths for the linear output signal in the circuit may prevent the output signal from being output. When connecting an external device, externally connect a relay to the transistor output or provide another means of insulation. 8 K3GN Operating Procedures ■ Initial Setting Flowchart Power ON Input Type Input type Press the Level Key for 3 s min. to move to the initial setting level. Parameter analg pulse rmt Analog Pulse Remote Function Selects the DC voltage/current signal input. Selects the pulse input signal. Displays the communications remote data from the Programmable Controller. Note: The default value is analg: Analog input. Select the input type and analog type (or pulse frequency). Set the scaling value and output type if required. Analog Input Type K3GN-ND@ Input specification 1 to 5 V For models with communications, press the Level Key for less than 1 s to move to the communications setting level. Set the communications specification and press the Level Key for less than 1 s to move to the initial setting level. Parameter 4-20 1-5 5 10 4 to 20 mA ±5 V ±10 V Setting range Values from −19999 to 99999 can be displayed with scaling. The position of the decimal point can be set as desired. Note: The default value is 4-20: 4 to 20 mA input range. K3GN-NL@ (with Microvoltage Input) Input specification ±199.9 mV Parameter 199.9 19.99 ±19.99 mV Setting range Values from −19999 to 99999 can be displayed with scaling. The position of the decimal point can be set as desired. Note: The default value is 199.9: ±199.9 mV input range. If required, move to the advanced setting level and set parameters, such as the average processing, event input assignment, hysteresis value, auto-zero time, startup compensation time, and display color change. Pulse Frequency Input specification Parameter 0.05 Hz to 30.00 Hz 30 5k 0 Hz to 5 kHz Setting range Values from −19999 to 99999 can be displayed with scaling. The position of the decimal point can be set as desired. Note: The default value is 5k: 5 kHz input range. Press the Level Key for 1 s min. to return to the operation level. Setting Scaling Analog Input Signal (Refer to page 10 if a pulse input is selected.) Set the values for OUT1 and OUT2. Operation • The scaling will be displayed on a line connecting two points by setting Display 1 for Input 1 and Display 2 for Input 2. The position of the decimal point can be set as desired. If the decimal point is to be displayed, it is necessary to consider the number of digits to be displayed past the decimal point when setting the scaling display value. Note: When pulse input is used, the base point is the 0 point, so the settings are only the input value and the display value. Displayed value Displayed value Display 2 Display 2 Display 1 Display 1 Input 1 Input 2 Input 2 Input value Input 1 Input value Instead of setting by inputting with the Shift Key and Up Key, current measurement values van be input as scaling input values for teaching. This is useful for making settings while checking the operation status of the K3GN. For details on the operating procedures, refer to the K3GN Digital Panel Meter Manual (Cat. No. N102). 9 K3GN • If the K3GN is used with a pulse signal input, the display value will be the input frequency if scaling is not performed. Display the rate of rotation or the speed of a device or machine to which the K3GN is mounted by converting using scaling. The relation between input f (Hz) and display D is expressed in the form D = f x a (factor). The value depends on the display unit. The formula will be comprised as follows: Display using rpm: D = f x 1/N x 60, N = Number of pulses per rotation, f = Input pulse frequency (Hz) (i.e., number of pulses in one second) Display using m/min: D = f x π d x 1/N x 60, π d = Circumference length (m) per rotation Prescaling Example Display value D Display value Pulse K3GN To display the rotational speed of a device that outputs five pulses per rotation: D = f × 1/5 × 60, and, 0 Input value 0 Input value f (Hz) If f=1, D = 12, so The setting will be completed by inputting inp:1 and dsp:12. Output 2 Type Output 1 Type Output type Parameter Function Output type Parameter Function Upper limit hi Output turns ON if the measurement value ≥ comparative set value 1. Upper limit hi Output turns ON if the measurement value ≥ comparative set value 2. Lower limit lo Output turns ON if the measurement value ≤ comparative set value 1. Lower limit lo Output turns ON if the measurement value ≤ comparative set value 2. Upper and lower limits hi-lo The comparative upper-limit set value and comparative lower-limit set value can be set separately and expressed high and low. Output turns ON if the measurement value ≥ comparative upper-limit set value 1 or if the measurement value is ≤ comparative lower-limit set value 1. Upper and lower limit hi-lo The comparative upper-limit set value and comparative lower-limit set value can be set separately and expressed high and low. Output turns ON if the measurement value ≥ comparative upper-limit set value 2 or if the measurement value is ≤ comparative lower-limit set value 2. Note: The default setting is lo: Lower limit. Note: The default value is hi: Upper limit. Upper Limit Comparative set value Lower Limit Upper and Lower Limits Comparative upper-limit set value Hysteresis Measurement value Measurement value Comparative set value ON Comparative output OFF Hysteresis Measurement value Hysteresis ON Comparative output OFF Comparative lower-limit set value ON Comparative output OFF Hysteresis The output operations can be selected separately for OUT1 and OUT2. Upper Limit 2-stage Output Comparative set value 2 Comparative set value 1 Comparative ON 2 output OFF Comparative ON 1 output OFF PASS ON (Transistor OFF output models only) Threshold Output Comparative upperlimit set value 2 Comparative upperlimit set value 1 Comparative lowerlimit set value 1 Comparative upperlimit set value 2 Comparative 2 output Comparative 1 output PASS (Transistor output models only) ON OFF ON OFF ON OFF Combination of Upper Limit and Upper/ Lower Limits Comparative upperlimit set value 2 Comparative set value 1 Comparative upperlimit set value 2 ON Comparative OFF 2 output Comparative ON OFF 1 output PASS ON (Transistor OFF output models only) 10 K3GN Linear Output Type Linear output type Parameter Meaning of set value Linear current type 0-20 4-20 0-5 1-5 0-10 Linear current type: 0 to 20 mA Linear voltage type Linear current type: 4 to 20 mA Linear voltage type: 0 to 5 V Linear voltage type: 1 to 5 V Linear voltage type: 0 to 10 V 11 K3GN Setting Menu and Parameters Power ON + key at least the user-set time Operation level Adjustment level key less than 1 s key 1 s min. Protect + keys 1 s min. key 3 s min. Initial setting level key less than 1 s Communications setting level Measurement in progress key 1 s min. Password input Measurement stopped Advanced function setting level Not displayed for some models. Level change Password input Measurement is stopped in the setting level. At that time all outputs will turn OFF. Calibration level Power ON key less than 1 s Adjustment level Communications writing Operation level / Present value Comparative set value 1 Select either. While the parameter is being displayed, press the Key to display the set value. Monitor Status Press the Key again to enter the status for setting. Setting Status The part to be changed will flash. Make the required setting, then press the Key. The system will switch to the next parameter and the set value will be registered. Monitor status SV will flash. To the next parameter Comparative upper-limit set value 1 to Comparative lower-limit set value 1 to Comparative set value 2 Changing Set Values Select either. to to Comparative upper-limit set value 2 to Comparative lower-limit set value 2 to Setting status Change the set value using the Keys. If 5 s lapses without any key being pressed, the set value will be registered, and the system will return to monitor status. 12 K3GN key less than 1 s Communications setting level Communications unit No. to , key 1 s min. / / Baud rate key 3 s min. / / kbps Initial setting level key 1 s min. Input type K3GN-ND@ / Analog input Analog model Data bits / Stop bits / Analog: Pulse: Remote: / / K3GN-NL@ (Microvoltage input) Parity / None: Even: Odd: Pulse input Pulse frequency Analog input Scaling input value 1 to Scaling display value 1 to Scaling input value 2 to Scaling display value 2 to Scaling input value Comparative 1 hysteresis to to to Scaling display value to Comparative 2 hysteresis to to Decimal point position to / Hz key 1 s min. Pulse input Analog input Pulse input Comparative 1 type Upper limit: Comparative 2 type Upper limit: / Average processing / / / Event input allocation Auto-zero time times / to s to s Green (red): Display color change Lower limit: Upper and lower limits: / / to Linear output lower-limit set value to to Green: Red (green): Red: / Linear output upper-limit set value Move to advanced setting level Parameter initialization Startup compensation time Lower limit: Upper and lower limits: Linear current Linear voltage Advanced setting level Enter password "-0169" Display auto-return time to to Move-toprotect level time to to Send waiting time to Move to calibration level s s to to ms to to The highlighted values indicate default settings. 13 K3GN Protect level Operation/ adjustment protection / / Restricts menu display and writing in the operation level and adjustment level. Initial setting/ communications protection / / Restricts menu display and moving for the initial setting level, communications setting level, and advanced setting level. Setting change protection / Restricts changes to setup by operating the keys on the front panel. Forced-zero protection / Restricts forced-zero operation by operating the keys on the front of the panel. (This item is not displayed if pulse input is used.) Operation/Adjustment Protection Restricts key operation in the operation level and adjustment level. Setting Operation level Present value display 0 Allowed Comparative value display Moving to adjustment level Allowed Allowed 1 Allowed Allowed Prohibited 2 Allowed Prohibited Prohibited • The default setting is 0. • Protection is not enabled when the setting is 0 (initial setting). Initial Setting/Communications Protection Restricts moving to the initial setting level, communications setting level, and advanced function setting level. Setting Setting Moving to communications level 0 Allowed (message for moving to advanced function setting level displayed) Allowed 1 Allowed (message for moving to advanced function setting level not displayed) Allowed 2 Prohibited Prohibited Setting Change Protection Restricts changes to settings. Moving to initial setting level • The default setting is 1. Details OFF Changes to settings using the keys are allowed. (Moving to setting status is allowed.) Forced-zero Protection ON Changes to settings using the keys are prohibited. (Moving to setting status is prohibited.) Restricts the executing or clearing of a forced zero by using the keys. Setting Details • The default setting is OFF. OFF Executing or clearing of forced zero allowed. Note: Changes to protection level parameters, moving to advanced function setting level, and moving to calibration level are all allowed. ON Executing or clearing of forced zero prohibited. • The default setting is OFF. ■ Error Displays (Troubleshooting) If an error occurs, error information will be displayed on the main display. Check the error according to the display and correct the error as indicated. Main display Level display Error details e111 (E111) Not lit Memory error: RAM e111 (E111) s Memory error: EEP s.err (S.Err) Not lit Input error or input range exceeded. Not lit Display range over: Upper limit Not lit Display range over: Lower limit flashing 99999 flashing :9999 Flashing Correction Cycle the power supply. If the display does not change, replacement is required. If the error is removed, the original error may have been caused by noise. Check that there are no possible sources of noise nearby. The outputs will all turn OFF. Check that the input wiring is correct, that there is no disconnection, or short-circuit, and that the input type is correct. Alternatively, limit the This is not an error. It is displayed when the display range is exceeded even if the present value is within the input range and control range. Limit the input value and display value to within the range. 14 K3GN Operation ■ Main Functions Key Protection Scaling Key protection is used to restrict changes to displays and settings using the front panel keys and to restrict menu display and movement of operation levels. This function is effective for preventing misuse during operation. The K3GN includes a scaling function that can convert the input signal to a desired value and display that value. The displayed values can be freely adjusted to shift values, to create reversed displays, or to create positive/negative displays. Display value DISPLAY2 Display value DISPLAY2 DISPLAY1 DISPLAY1 ( INPUT1 INPUT2 ) ( ) Input value Startup Compensation Time (Rotary Pulse Input Only) The startup compensation time parameter keeps the measurement operation from sending an unnecessary output corresponding to instantaneous, fluctuating input from the moment the K3GN is turned ON until the end of the preset period. Hysteresis INPUT1 INPUT2 Input value The hysteresis of comparative outputs can be set to prevent the chattering of relay or transistor outputs. Teaching Teaching is used when using scaling or setting comparative set values to set the present measurement values as the set values instead of inputting with the Shift and Up/Zero Keys. Teaching is useful for making settings while checking the operation status of the K3GN. Average Processing Average processing can be performed for measurement values using four levels (OFF, 2 times, 4 times, or 8 times). Average processing stabilizes displayed values by averaging the corresponding input signals that fluctuate dynamically. Select the appropriate number of averaging times depending on the application. Forced-zero Function It is possible to shift from a value to the zero point with one touch of the Up/Zero Key on the front panel (for example, when adjusting reference values). K3GN OUT1OUT2SV- Note: This function can be used only when forced-zero operation protection is released. -ZERO -HOLD -CMW /ZERO Changing the Display Color The color of the value displayed can be set to either red or green. Make the setting according to the purpose and application of the equipment in which the K3GN is installed. The display color can also be set to change from green to red, or from red to green, according to the status of the comparison criteria. Output Type Selection Output operation for comparative set values can be freely selected. Upper limit: Output ON if the measurement value ≥ comparative set value. Lower limit: Output ON if the measurement value ≤ comparative set value. Upper/lower limit: Output ON if the measurement value ≥ comparative upper-limit set value or if the measurement value is ≤ the comparative lower-limit value. 15 K3GN Dimensions Note: All units are in millimeters unless otherwise indicated. K3GN Panel Cutout Dimensions Separate mounting +0.6 45 0 - - 44.8 Gang mounting (48 × No. of Panels − 2.5) +1.0 0 +0.3 22.2 22.2 0 +0.3 0 40 min. The products cannot be made waterproof when gang-mounted. Mounting Recommended Panel Thickness 1 to 5 mm. Mount the product horizontally. K3GN OUT1- 35 24 -ZERO -HOLD T OUT2SV- 22 -CMW • For installation, insert the K3GN panel into the rectangular hole, insert the adaptor from the rear, and push it in to reduce the gap between the panel surface and the adaptor. Secure the Unit with the screws. For water-proof installation, insert the rubber gasket onto the body of the K3GN. • If multiple mounted Units are used, make sure the ambient temperature for the K3GN does not exceed the specified temperature. /ZERO 48 80 2 The K3GN uses M3 terminals. A terminal cover is provided. Main Display Character Size 7 mm 3.6 mm Installation 1. Insert the K3GN into the panel cut-out hole. 2. For a waterproof installation, insert the rubber gasket onto the body of the K3GN. Rubber packing ■ Rubber Packing The Rubber Packing ensures a waterproof level conforming to NEMA4X. Depending on the operating environment, deterioration, contraction, or hardening of the Rubber Packing may occur, making replacement necessary. Contact your OMRON representative if replacement is required. ■ Wiring Precautions 3. Fit the adaptor into the grooves on the left and right sides of the rear case, then push it until it contacts the panel to secure the K3GN. Adaptor • Wire the power supply with the correct polarity. Wiring with incorrect polarity may result in damage or burning. • Wire the terminals using crimp terminals. • Tighten terminal screws to a torque of approx. 0.5 N·m. • Wire signal lines and power lines separately to reduce the influence of noise. ■ Wiring Power Supply • Input 24 VDC to terminals 1 and 2. 1 24 VDC Angle of View The K3GN is designed to provide the best visibility at the angles shown in the following diagram. 2 • Use M3 crimp terminals of the type shown below. 5.8 mm max. 40° 5.8 mm max. 20° 16 K3GN Measurement Input The following table shows the relation between input ranges and input terminals. Input range DC voltage/DC current Input terminals 4 to 20 mA E-F 1 to 5 V D-E ±5 V ±10 V No-voltage contacts and NPN open collector (Models with NPN inputs) B-C No-voltage contacts and PNP open collector (Models with PNP inputs) A-C Be sure to read the Precautions for Correct Use and other information required when using the K3GN in the following user’s manual. K3GN Digital Panel Meter User’s Manual (Cat.No. N102) ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. In the interest of product improvement, specifications are subject to change without notice. 17 Terms and Conditions Agreement Read and understand this catalog. Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments. Warranties. (a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron disclaims all other warranties, express or implied. (b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty, repair, indemnity or any other claims or expenses regarding the Products unless Omron’s analysis confirms that the Products were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice, recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above warranty. See http://www.omron.com/global/ or contact your Omron representative for published information. Limitation on Liability; Etc. OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY. Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted. Suitability of Use. Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases. NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM. Programmable Products. Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence thereof. Performance Data. Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability. Change in Specifications. Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change part numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at any time to confirm actual specifications of purchased Product. Errors and Omissions. Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical or proofreading errors or omissions. 2015.12 In the interest of product improvement, specifications are subject to change without notice. OMRON Corporation Industrial Automation Company http://www.ia.omron.com/ (c)Copyright OMRON Corporation 2015 All Right Reserved.