SW20XX-EX Isolating Switching Barrier FEATURES PRODUCT PROGRAM ● Fitted devices: 1. NAMUR Sensors; 2. Mechanical Joints. Part number ● Phase-angel and inverse control setting; ● Open circuit detection setting SW2001-EX ● Respective Isolation(2,500VDC between SW2002-EX Input/Output/Power source); Input(Power) Output(Hazardous end) Voltage(VDC) Voltage Typ Range Typ Short Cricuit Current 24 18-36 8 VDC < 8 mA Output (Safe end) Channel numbers Relay output 1 Relay output 2 ● Operation Temperature:-20℃-+60℃ ● Reliable Performance (MTBF>1,000,000 Hours). APPLICATIONS This Isolation Switching Barrier can detect ELECTRICAL CHARACTERISTICS Common parameter switch or approach switch’s status in locations where hazardous exists; isolate, transmit and Operation voltage 18-36VDC Power consumption About 2.0W (with relay output OFF) Power indicating LED light (green) ON when operating Input Signal Switch status of NUMAR sensor, mechanical joint etc Output Voltage 8V（Open status） Short circuit current <8mA output it to safe area. Input and output can be set to inverse control. Approach switch open circuit detection function. Isolation between Input/ Hazardous Area Output/Power source. MODEL SELECTION Safe Area SW XXXX-EX Explos io n protection certification mark Channe l number Additional function Signal o utput mode ( s afe area) Signal o utput mode ( hazardous a rea) Detectin g signal type MORNSUN Guangzhou Science & Technology co., Ltd. Address: 2/F, Bldg 6, Huangzhou Industrial Park, Chebei Rd, Tianhe, Guangzhou, China 510660 Tel: 86-20-38601850 39601530 38601679 Fax: 86-20-38601272 http://www.mornsun-power.com Input switching frequency <10Hz threshold Typ:1.55mA (hysteresis:0.2mA) Output signal Relay output（1” ON” joint） Response time <20ms driving capability 250VAC / 3A or 30VDC / 3A Load type Resistive load TRANSMISSION CHARACTERISTICS Under phase-angel control (K1 “OFF”) Input loop current > 2.1mA, relay output close, channel indicator light (yellow) ON. Input loop current < 1.2mA, relay output open, channel indicator light (yellow) OFF. Input loop current > 2.1mA, relay output close, channel indicator light (yellow) OFF. Under inverse control (K1”ON”) Input loop current < 1.2mA, relay output open, channel indicator light (yellow) ON. Open detection function Function when K3 is OFF When connected with NAMUR Input loop current < 0.05mA, open circuit alarm, channel red indicator light ON. sensor When connected with common To achieve open circuit detection function, a 10KΩ resistor contact joint switch must be connected to the switch in parallel. ISOLATION CHARACTERISTICS Electrical isolation MORNSUN reserves the copyright Isolation between each part (Signal input end/Signal output end/Power source end) Isolation strength 2.5KVDC (test for 1minute, humidity < 70%) Surge Resist 5KV 1.2/50us (Based on IEC255-4) EMC EN61326 Specifications subject to change without notice. SW20XX-EX A/0-2008 Page 1 of 2 STANDARDS AND CERTIFICATIONS APPLICATION IN INTRINSICALLY Explosion protection certification mark [Exia]IIC EXPLOSION PROTECTION SYSTEM Explosion protection certification parameters Um=250Vrms、Uo=10.5V、Io=14mA Po=37mW、Co=1.6uF、Lo=150mH In Certified by: CHINA NATIONAL QUALITY SUPERVISION AND TEST CENTRE FOR EXPLOSION PROTECTED ELECTRICAL PRODUCTS No.:CNEx08.0003 intrinsic safety explosion SAFE protection systems, isolating barrier belongs to affiliated device. It is installed at safe area, as a connection between intrinsic safety devices in the hazardous area and non-intrinsic safety devices in the safe area. By limiting the energy OTHER CHARACTERISTICS to a certain safe amount, it ensures the safety Operation temperature:-20-+60℃ Ambient temperature of in spot devices and people. Transport and Storage temperature:-40-+85℃ Package 35mm DIN Rail package: T type DIN Rail (DIN50022), 4x 4 terminals plug and pull connector, thickness 22.5mm, anti-flaming material UL94-V0 Protection Grade IP20(IEC60529 / EN60529) Weight About 66g Selection regulations for intrinsic safety explosion protection system: 1． The explosion protection grade of the barrier must be equal to or higher than that of in spot intrinsic safety explosion PACKAGING SIAE AND TERMINAL DESCRIPTION protection device. 2． Take inconsideration of hazardous end 91 . 6 output resistance and loop resistance, make sure the barrier’s output voltage meets the minimum operation voltage Channel 1 Phase -angl e and i nverse control sett i ng Channel 2 Phase -angl e and i nverse control sett i ng requirement of in spot intrinsic safety device. Open ci rcui t al arm control 9 9.0 Open ci rcui t i ndi cat or control Output i ndi cator l i ght 3． The Power source i ndi cator l i ght safety parameters of Barrier’s intrinsic safety end meets: Uo ≤ UI, Io ≤ Iin, Po ≤ Pin Co ≥ Cin, 4． Select 22.5 Lo ≥ Lin suitable Safety barrier which matches the in spot intrinsic safety device for the power’s phase, signal type and Safe area : Hazardous area : 1: channel1 output (-) 13:channel1 input (-) 2: channel output (+) 14:channel1 input (+) 3: input of power source (-) 4: input of power source (+) 5: channel2 output (-) 9:channel2 input (-) 6: channel2 output (+) 10:channel2 input (+) transmission mode. 5． Apply necessary protections, avoid influence the in spot intrinsic safety device’s operation from leakage current Un it: mm . To le ran ce:+ 0. 5mm. No te: In sing le cha nn el mo de, l cha n ne l 2 is in va.lid that generated by safety barrier. Operation notes: 1. Please read the user manual carefully APPLICATION CIRCUIT DIAGRAM before using. If any questions please contact our technical support department. Hazardous area 2. Please do not use this product in 3. The power supply of this product should S a fe a re a 13 hazardous area. 1 be 24VDC power source. It is forbidden Cha n ne l1 14 to use 220VAC power supply. 2 4. To avoid invalid explosion protection function, DCS 9 5 10 6 PLC or any failure, users disassemble this product is forbidden. Ch a nn el 2 3 4 In pu t vo lta g e o f p o we r sou r ce 1 8- 3 6 VDC N ot e: I n s ingle model, c hannel 2 is inv aid . MORNSUN reserves the copyright Specifications subject to change without notice. SW20XX-EX A/0-2008 Page 2 of 2