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WP-8000-EX series switch output isolated safety barrier (with power distribution)
The WP-8000-EX series switch output isolation safety barrier controls on-site intrinsic safety equipment in hazardous areas through switch contact typ
Product details
The WP-8000-EX series switch output isolation safety barrier controls on-site intrinsic safety equipment in hazardous areas through switch contact type free voltage or logic level signal input in the safety zone. Suitable for driving low-power intrinsic safety devices such as solenoid valves, alarms, light-emitting diodes (LEDs), or other simple devices without energy storage.
This isolated safety barrier requires independent power supply, with electromagnetic isolation between the power supply input circuit output circuit.
◆ Characteristics
● Switch contacts, open collector transistors or logic driver inputs.
● Drive intrinsic safety equipment such as solenoid valves and alarms, with reverse logic drive function.
Equipped with a working power indicator light. Output status indicator light.
● Intrinsic safety input circuit [Exia] IIC.
● Plug and unplug terminal block, DIN rail card installation.
● Working power supply
Power wiring: independent wiring terminals 13-, 14+, can be plugged and unplugged with power on
Power supply voltage: (20~30) V DC
Current loss: When powered by 24V DC,
Single channel ＜ 75mA (when output current is 45mA)
Dual channel ＜ 110mA (when output current is 45mA)
Power indicator: Power on LED light on: green
● Input signal (safe zone)
Input switch type: suitable for switch contacts; Transistor or logic driver
Input current: ≤ 3mA/24V
Switch delay: ≤ 2s
● Output signal (Exia IIC hazardous area)
Channel output: 0~24V logic signal
Minimum output voltage: 12V at 45mA
Maximum output voltage: 24V
Current limit: 45mA
● Input/output characteristics
Normal (reverse) phase:
If the input switch is closed, the transistor is conductive or the voltage between terminals 11 and 12 is greater than 4V, the output is conductive, and the LED yellow light is on (when in reverse phase, it is not conductive and the LED yellow light is off);
If the input switch is disconnected, the transistor does not conduct or the voltage between terminals 11 and 12 is less than 1V, the output does not conduct, and the LED yellow light does not light up (when in reverse phase, it conducts and the LED yellow light lights up)
Note: If reverse phase is required, it needs to be set through the micro switch inside the product, which should be specified by the user when ordering.
● Isolation performance
Insulation resistance: ≥ 100M Ω/500V DC (AC)
Isolation capability: 2500VAC/1 minute 50Hz
Maximum explosion-proof voltage: 250VAC
Electromagnetic compatibility: Complies with relevant electromagnetic standards of IEC 61000
● Environmental parameters
Working temperature: (-20~+60) ℃
Storage temperature: (-40~+80) ℃
Environmental humidity: (5~+95)% RH (without condensation)
● Environmental parameters
Working temperature: (-20~+60) ℃
Storage temperature: (-40~+80) ℃
Environmental humidity: (5~+95)% RH (without condensation)
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