Solid-state Timer H3FA CSM_H3FA_DS_E_7_2 Please read and understand this catalog before purchasing the products. Please consult OMRON representative if you have any questions or comments. Refer to Safety Precautions on page 10. DIP Model Timer for PC Board Use Provides Contact and Solid-state Output • Four time ranges are selectable. Models suffixed -@A@: 1 s, 10 s, 1 min, 10 min. Models suffixed -@B@: 6 s, 60 s, 6 min, 60 min. • Timer can be cleaned while mounted on a PC Board with the sealing tape affixed. • Twenty-four-pin IC socket can be used for mounting the Timer. • Mountable on a 1-inch pitch rack. (H 19.5 × W 36.9 × D 17.75 mm) For the most recent information on models that have been certified for safety standards, refer to your OMRON website. Model Number Structure Note: This model number legend includes combinations that are not available. Before ordering, please check the List of Models on page 2 for availability. H3FA- @ @ @ @ 1 2 3 4 1. Time-limit contact None: Contact outputs (SPST-NO + SPST-NC) S: Solid-state outputs 2. Time range A: 1 s to 10 min B: 6 s to 60 min 3. Operation/resetting system None: Time-limit operation/power-OFF resetting and external resetting, Integrating operation/power-OFF resetting and external resetting U: Instantaneous operation, time-limit resetting/external resetting 4. Supply voltage For contact output models 5DC: 5 V DC 6DC: 6 V DC 12DC: 12 V DC 24DC: 24 V DC For solid-state output models 5/6DC: 5/6 V DC 12/24DC: 12/24 V DC 1 H3FA Ordering Information ■ List of Models Item Model H3FA-A H3FA-B H3FA-SA H3FA-SB H3FA-AU H3FA-BU H3FA-SAU H3FA-SBU Operation/resetting system (See note.) Time-limit operation/power-OFF resetting and external resetting, Integration operation/power-OFF resetting and external resetting Instantaneous operation, time-limit resetting/external resetting Time-limit contact Contact output (SPST-NO + SPST-NC) Contact output (SPST-NO + SPST-NC) Instantaneous contact --- Mounting method Surface mounting (with IC socket or direct mounting on PC Board) Solid-state output Solid-state output Time range 1 s to 10 min 6 s to 60 min 1 s to 10 min 6 s to 60 min 1 s to 10 min 6 s to 60 min 1 s to 10 min 6 s to 60 min Supply voltage 5 V DC H3FA-A 5DC H3FA-B 5DC --- --- H3FA-AU 5DC H3FA-BU 5DC --- --- 6 V DC H3FA-A 6DC H3FA-B 6DC --- --- H3FA-AU 6DC --- --- --- 12 V DC H3FA-A 12DC H3FA-B 12DC --- --- H3FA-AU 12DC H3FA-BU 12DC --- --- 24 V DC H3FA-A 24DC H3FA-B 24DC --- --- H3FA-AU 24DC H3FA-BU 24DC --- --- 5/6 V DC --- --- H3FA-SA 5/6DC H3FA-SB 5/6DC --- --- H3FA-SAU 5/6DC H3FA-SBU 5/6DC 12/24 V DC --- --- H3FA-SA 12/24DC H3FA-SB 12/24DC --- --- H3FA-SAU 12/24DC H3FA-SBU 12/24DC Note: The desired operation/resetting system is selected by short-circuiting and opening the specified terminals. Specifications ■ Time Ranges Model Rated time Time setting range H3FA-A 1s 0.1 to 1 s H3FA-AU 10 s 1 to 10 s H3FA-SA 1 min 0.1 to 1 min H3FA-SAU 10 min 1 to 10 min H3FA-B 6s 0.6 to 6 s H3FA-BU 60 s 6 to 60 s H3FA-SB 6 min 0.6 to 6 min H3FA-SBU 60 min 6 to 60 min Note: 1. The above timing ranges apply when the internal variable resistor of H3FA is used. 2. The external variable resistor may also be used by opening the terminal connected to the internal variable resistor. 3. Wire the appropriate terminal to select a time setting range. Refer to Rated Time and Terminal Connections on page 4 for details. 2 H3FA ■ Ratings Item H3FA-A/ H3FA-B H3FA-AU/ H3FA-BU Rated supply voltage 5 V DC, 6V DC, 12V DC, 24 V DC (See note 1.) Operating voltage range 5 V DC: 90% to 110% of rated supply voltage 6, 12, 24 V DC: 85% to 110% of rated supply voltage Power consumption 5, 6 V DC: 12 V DC: 24 V DC: Control outputs Contact output: SPST-NO + SPST-NC, 3 A at 250 V AC with resistive load, Minimum applied load: 10 mA at 5 V DC (Failure level: P, reference value) Ambient temperature Operating: Storage: Ambient humidity 35% to 85% approx. 230 mW approx. 270 mW approx. 330 mW H3FA-SA/ H3FA-SB H3FA-SAU/ H3FA-SBU 5/6 V DC (See note 1.) 12/24 V DC (See notes 1 and 2.) 5/6 V DC: 12 V DC: 24 V DC: approx. 80 mW approx. 100 mW approx. 240 mW Solid-state output: 150 mA max. at 30 V DC Residual voltage: 1.0 V max. −10°C to 55°C (with no icing) −25°C to 65°C (with no icing) Note: 1. Permissible ripple: 20% max. (3% max. at 5, 6 V DC-operated models) Where, X X/Mean value × 100 ≤ 20 (%) max. Mean 2. Supply voltage can be selected by short-circuiting (12 V DC) or opening (24 V DC) the specified terminals. ■ Characteristics Accuracy of operating time ±0.5% FS max. (See notes 1 and 3.) Setting error 0 to 30 % FS max. (at 20°C , at rated voltage) Reset time 10 ms max. Influence of voltage ±1% FS max. (2% FS max. for 5, 6, 5/6 V DC-operated models) Influence of temperature ±5% FS max. (See note 1.) Insulation resistance 100 MΩ min. (at 500 V DC) Dielectric strength 1,500 V AC, 50/60 Hz for 1 min (between control output and operating circuit) (See note 2.) 1,000 V AC, 50/60 Hz for 1 min (between contacts not located next to each other) (See note 2.) Vibration resistance Destruction: 10 to 55 Hz with 0.375-mm single amplitude in 3 directions for 2 hour each Malfunction: 10 to 55 Hz with 0.25-mm single amplitude in 3 directions for 10 minutes each Shock resistance Destruction: 1,000 m/s2 3 times each in 6 directions on 3 axes Malfunction: 100 m/s2 3 times each in 6 directions on 3 axes Life expectancy Mechanical: 10,000,000 operations min. (under no load at 1,800 operations/h) Electrical: 100,000 operations min. (3 A at 250 V AC, resistive load at 1,800 operations/h) Approved safety standards UL508, CSA C22.2 No.14 Weight Contact output models: approx. 15 g Solid-state output models: approx. 10 g Note: 1. Add or subtract 10 ms to the ratings when using a timer with a rated time of 1 s. 2. Applicable to contact output models. 3. This value assumes that the adjustment on the H3FA is used. (It does not apply if an externally connected resistor is used. For details, refer to External Resistors and Operating Time (Reference Value) on page 8 for details.) Switching operations (x104) ■ Life-test Curve (Reference Values) 1,000 700 500 300 100 70 50 24 VDC L/R=7 ms 24 VDC cosφ=1 30 10 7 250 VAC cosφ=0.4 5 0 1 250 VAC cosφ=1 2 3 4 Load current (A) 3 H3FA Connections ■ Block Diagrams Note: All diagrams are views from the top. H3FA-A, H3FA-B, H3FA-SA, H3FA-SB When the input voltage is applied, the CR oscillator circuit in the Timer starts to oscillate via the power supply circuit, the counter circuit counts up to the preset setting, and an output signal is produced. A transistor amplifies this signal to drive the load. The voltage across the H3FA-SA and -SB (solid-state output loads) is the load input voltage minus the residual voltage when the transistor turns ON. Contact Output Solid-state Output Short for 12 V DC Open for 24 V DC (See note.) Output amplifier circuit Counter circuit CR oscillator circuit Voltage stabilizer circuit Power supply Power supply circuit For the external resistor For the internal variable resistor Output amplifier circuit Counter circuit CR oscillator circuit Voltage stabilizer circuit Power supply Power supply circuit For the external resistor Contact output (NO contact for time-limit operation) For the internal variable resistor Reset circuit Reset circuit Reset input Time range selector Reset input Contact output (NC contact for time-limit operation) Time range selector Load 5 to 24 V DC 10: Solid-state output terminal 12: Terminal for the internal load surge absorbing diode Note: When using 12/24 V DC-operated models. H3FA-AU, H3FA-BU, H3FA-SAU, H3FA-SBU Contact Output Solid-state Output Reset circuit Output amplifier circuit CR oscillator circuit Voltage stabilizer circuit Power supply Power supply circuit Output amplifier circuit Counter circuit CR oscillator circuit Voltage stabilizer circuit Power supply circuit Power supply Counter circuit Short for 12 V DC For the external resistor Open for 24 V DC (See note.) For the internal variable resistor For the external resistor For the internal variable resistor 150 mA max. Load surgeabsorbing diode Start circuit Reset circuit Start circuit Reset input Reset input Time range selector Load 5 to 24 V DC Time range selector Note: When using a 12/24 V DC-operated model. ■ Rated Time and Terminal Connections Model Terminal connection 1 2 3 1 2 1 3 2 3 1 H3FA-A/-SA/-AU/-SAU 1s 10 s 1 min 10 min H3FA-B/-SB/-BU/-SBU 6s 60 s 6 min 60 min 2 3 Note: 1. Short-circuit terminals 21 and 22 when using the internal variable resistor of H3FA. 2. An external resistor can also be used by opening terminals 21 and 22. When using an external resistor (1 MΩ for H3FA-A/-SA, 3 MΩ for H3FA-B/ -SB), connect it between terminals 21 and 23. 4 H3FA Operation ■ Timing Charts and External Connections Wire the inputs so that the time range selector (terminals 2 and 3), reset input (terminal 4), and start input (terminal 6) are either connected or not connected to power supply terminal 1. Do not wire the terminals so that an external voltage is applied (∗1) to these input terminals or so that the negative side of the power supply is connected to these input terminals but not connected to power supply terminal 1 (∗2). No isolation is provided, so if voltage is applied to these terminals, unwanted current paths will be created and destroy the internal circuits. Voltage Applied to Terminals Other than Power Supply Terminal 1 (∗1) Input Terminals 2, 3, 4, and 6 Connected to the Negative Side of the Power Supply without Being Connected to Power Supply Terminal 1 (∗2) Recommended Wiring Connection or No Connection to Power Supply Terminal 1 5 H3FA H3FA-A, H3FA-B, H3FA-SA, H3FA-SB Standard Operation (ON-delay operation) Integration Operation When the power is turned ON and the set time has elapsed, an output is produced. (Power turns ON when power terminals 1 and 24 are shorted or when terminals 13 and 15 are shorted when using a 12/24 V DC-operated model with a 12 V DC power supply.) When connecting an external resistor to the Timer, connect it between terminals 21 and 23, and open terminals 21 and 22. Refer to External Resistors and Operating Time (Reference Value) on page 8. When operating with an external reset input, short terminals 1 and 4. The Timer will start operating even if reset terminals 1 and 4 are open when the power is turned ON. In this case, the current flow is approximately 0.1 mA. If a contact is used for control, use a contact with high contact reliability, If a transistor is used for control, use an ICEO of 10 μA and a VCE (sat) of 0.5 V or less. By opening the terminals connected to the internal variable resistor, Timer operation can be interrupted to enable the Timer to perform time integration operations. Interrupt Timer operation by opening terminals 21 and 22 when using the internal variable resistor or terminals 21 and 23 when using the external resistor. Timer operation can be resumed by reconnecting the terminals. ON Power supply (terminals 1 and 24) (See note.) OFF ON 10 ms min. Short Short Open Reset input (terminals 1 and 4) SPST-NO contact output (terminals 13 and 16) Solid-state output Set time (terminals 1 and 10) OFF Set time Set time Set time SPST-NC contact output (terminals 9 and 12) ON OFF ON Power supply (terminals 1 and 24) (See note.) For internal variable resistor (terminals 21 and 22) For external resistor (terminals 21 and 23) Short Open Short Open Short 10 ms min. Reset input (terminals 1 and 4) SPST-NO contact output (terminals 13 and 16) Solid-state output (terminals 1 and 10) T1 T2 T3 T4 Tn SPST-NC contact output (terminals 9 and 12) Note: When using a 12/24 V DC-operated model with a 12 V DC power supply, short terminals 13 and 15. Note: 1. Control output is provided when the set time has elapsed (T1 + T2 or T3 + T4). 2. When using a 12/24 V DC-operated model with a 12 V DC power supply, short terminals 13 and 15. Contact Output (Top View) Contact Output (Top View) Solid-state Output (Top View) Solid-state Output (Top View) When using the 12/24 V DC-operated model with a 24 V DC power supply, open terminals 13 and 15. When using the 12/24 V DC-operated model with a 24 V DC power supply, open terminals 13 and 15. 6 H3FA H3FA-AU, H3FA-BU, H3FA-SAU, H3FA-SBU One-shot Output Operation OFF-delay Operation Turn ON the power and apply a start input (short terminals 6 and 1). (Power turns ON when power terminals 1 and 24 are shorted or when terminals 13 and 15 are shorted when using a 12/24 V DCoperated model with a 12 V DC power supply.) An output is produced immediately and is reset when the set time has elapsed. Turn ON the power and apply a start input (short terminals 6 and 1). (Power turns ON when power terminals 1 and 24 are shorted or when terminals 13 and 15 are shorted when using a 12/24 V DCoperated model with a 12 V DC power supply.) An output is produced immediately. If the start input is applied constantly, however, the reset input can be applied until the set time elapses to stop time-limit operation. (An output is produced when the start input is applied even when the constant reset input is ON prior to the start input.) If the reset input is applied (short terminals 4 and 1) with no start input (open terminals 6 and 1) while the Timer is operating, the Timer stops operating and the output is reset. When operating with an external start or reset input, the current flow from terminal 6 to terminal 1 (start input) or from terminal 4 to terminal 1 (reset input) is approximately 0.1 mA. A highly reliable contact is therefore recommended for the start and reset inputs. Use an ICEO of 10 μA and a VCE (sat) of 0.5 V or less for transistor control. When connecting an external resistor to the Timer, connect it between terminals 21 and 23, and open terminals 21 and 22. Power supply (terminals 1 and 24) (See note 1.) Power supply (terminals 1 and 24) (See note 1.) ON Short (See note 2.) 10 ms min. Reset input (terminals 1 and 4) T T ON 10 ms min. Open Start input (terminals 1 and 6) SPST-NO contact output (terminals 13 and 16) Solid-state output (terminals 1 and 10) The time-limit operation starts when the reset input terminals are opened, and the output is reset when the set time has elapsed. When operating with an external start or reset input, the current flow is approximately 0.1 mA. A highly reliable contact is therefore recommended for the start and reset inputs. Use an ICEO of 10 μA and a VCE (sat) of 0.5 V or less for transistor control. T t1 Start input (terminals 1 and 6) Short Open Reset input (terminals 1 and 4) SPST-NO contact output (terminals 13 and 16) Solid-state output (terminals 1 and 10) T t1 T t2 T t3 SPST-NC contact output (terminals 9 and 12) SPST-NC contact output (terminals 9 and 12) Note: 1. When using a 12/24 V DC-operated model with a 12 V DC power supply, short terminals 13 and 15. 2. The start input is disabled during the time limit. 3. T denotes the set time. t1 < T Note: 1. When using a 12/24 V DC-operated model with a 12 V DC power supply, short terminals 13 and 15. 2. T denotes the set time. t1, t2, and t3 < T Contact Output (Top view) Contact Output (Top view) Contact output (SPST-NC contact for time-limit operation) Solid-state Output (Top View) Solid-state Output (Top View) When using the 12/24 V DC-operated model with a 24 V DC power supply, open terminals 13 and 15. When using the 12/24 V DC-operated model with a 24 V DC power supply, open terminals 13 and 15. 7 H3FA ■ External Resistors and Operating Time (Reference Value) H3FA-B/-SB/-BU/-SBU Operating time (%) • Use an external resistor rated at about 0.1 W/1 MΩ for H3FA-A, -SA, -AU, and -SAU or 0.1 W/3 MΩ for H3FA-B, -SB, -BU, and SBU. • Do not run the leads parallel to power lines and implement other required measures against external noise. Do not use leads that are longer than 30 cm. • The diagrams on the right show typical data. Setting differences exist for individual products. If accuracy is required, use a variable resistor and adjust the time. (If the leads are too long, the time will vary somewhat and variations in the operating time will increase.) H3FA-A/-SA/-AU/-SAU Operating time (%) Refer to the following characteristics diagrams when using an external resistor. 120 100 80 120 100 80 60 60 40 40 20 20 0 0.5 1 1.5 External resistor (MΩ) 0 1 2 3 4 External resistor (MΩ) ■ Extending the Reset Time DIP Timers have a shorter reset time than that of conventional timers for use in solid-state circuit applications. To extend the reset time to that of conventional timers, i.e., about 100 ms, during operation, connect the Timer to a capacitor from the table as shown in the following diagram. The reset time after the set time has elapsed will vary with the load relay, so select an appropriate capacitor for the load relay. Rated voltage Capacitor capacity 12 V DC 10 μF, 25 V 24 V DC 4.7 μF, 50 V 5 and 6 V DC 22 μF, 16 V 24 23 22 21 C 1 2 3 4 8 H3FA Dimensions Note: All units are in millimeters unless otherwise indicated. H3FA-A, H3FA-B, H3FA-SA, H3FA-SB Mounting holes (Top view) 36.9 H3FA-A/-B Twelve, 1.0 dia. holes 17.75 17.75 36.9 19.5 H3FA-SA/-SB Twelve, 1.0 dia. holes 0.5 3.3 15.24 2.54 0.6 0.4 H3FA-AU, H3FA-BU, H3FA-SAU, H3FA-SBU Mounting holes (Top View) H3FA-AU/-BU 36.9 17.75 17.75 H3FA-SAU/-SBU 36.9 19.5 0.5 3.3 15.24 2.54 0.6 0.4 H3FA-@U trimmer hole position 6 dia. 10.8 17.75 36.9 9 H3FA Safety Precautions ■ Precautions for Correct Use Observe the following items to ensure the safe use of this product. • Do not use excessive force to turn the time setting knob. Otherwise, it may be damaged. • When more precise operating time settings are required, measure the operating time prior to use and adjust the time setting knob accordingly. • Be very careful when handling terminal leads. • Do not touch terminals with hands or objects that may be statically charged from mounting, transport, or other activities. Otherwise, the terminals may be damaged. Discharge static prior to handling the Timers by touching a grounded object or by using another method. • Refer to the following diagram for the set values for various operating times. Environmental Precautions • Store the H3FA within the specified ratings. If the H3FA has been stored at a temperature of –10°C or lower, let it stand for 3 hours or longer at room temperature before turning ON the power supply. • Use the H3FA within the specified ratings for operating temperature and humidity. • Do not operate the H3FA in locations subject to sudden or extreme changes in temperature, or locations where high humidity may result in condensation. • Do not use the H3FA in locations subject to vibrations or shock. Extended use in such locations may result in damage due to stress. • Do not use the H3FA in locations subject to excessive dust, corrosive gas, or direct sunlight. Usage Precautions • Install a switch or circuit breaker that allows the operator to immediately turn OFF the power, and label it to clearly indicate its function. • Be sure to wire the terminals correctly. • Internal elements may be destroyed if a voltage outside the rated voltage is applied. • Maintain voltage fluctuations in the power supply within the specified range. Operating time (%) ■ Precautions for Safe Use 130 120 Operating range 100 80 60 40 20 0 (S) 10 20 30 40 50 60 70 80 90 100 (L) Set value (%) • When cleaning the timer, confirm that the sealing tape (*) is securely in place. Do not clean without this sealing tape affixed. Use alcohol type (IPA, ethanol) solvent, which are less chemically reactive. Note that use of other solvents may damage the materials used for the Timer. Clean the Timer in less than 2 minutes. The cleaning solution must be 50°C or less. The tails of the connecting leads are solder-plated with consideration given to temperature at the time of soldering. When soldering the leads, keep the temperature at 260°C±5°C and complete soldering within 10 s. Do not use ultrasonic cleaning.. sealing tape * 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. 10 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. 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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. 2015.9 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.