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WP-8000-EX series detection end isolation safety barrier
The WP-8000-EX series detection end isolation safety barrier is used to isolate and limit the DC signal input connected to hazardous areas, convert it
Product details
The WP-8000-EX series detection end isolation safety barrier is used to isolate and limit the DC signal input connected to hazardous areas, convert it into standard process signals, and output them to the control system or other intelligent instruments in the safe area.
This isolated safety barrier requires independent power supply, with electromagnetic isolation between the power supply input circuit output circuit.
◆ Characteristics
DC signal input for various intrinsic safety equipment in hazardous sites.
Standard analog signal electrical isolation.
Linearization conversion output, which can select (4-20) mA or (1-5) V signals as well as other required DC signals.
Modular core design, no need for zero and full adjustment.
Equipped with a working power indicator light.
● Intrinsic safety input circuit [Exia] IIC, input circuit overcurrent protection.
● 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) VDC
Current loss:<25mA at 24VDC (one in one out)
＜ 40mA (one in and two out)
＜ 50mA (two in and two out)
Power indicator: Power on LED light on: green
● Input signal (Exia IIC hazardous area)
Current signal: (4-20) mA
Voltage signal: 1-5V
Input impedance: Built in input resistor 50 Ω
● Output signal (safe zone)
Output current: (4-20) mA
Allowable load for current output: 0~350 Ω (4mA~20mA, 0~20mA output)
Output voltage: (1-5) V
Voltage output impedance: ≤ 500 Ω
Ripple (Vp-p): ＜ 10mV
● Performance indicators
Standard accuracy: ± 0.5% FS, ± 0.2% FS
Temperature drift: ± 0.015%/℃
Response time: ≤ 1s (10 → 90)%
Stability time: ≤ 3s
Impact of power supply voltage variation: ± 0.1% (allowable voltage range)
Influence of load resistance change: ± 0.1%/250 Ω
Channel isolation: isolation between input output power supply
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)
● Structure
Card mounted type; Modular watch core; ABS material casing; Plug in terminal
Whole machine weight: approximately 110g
● Safety and Explosion proof Certification Parameters
The whole machine meets the requirements of GB3836.1-2000 and GB3836.4-2000
Standard related requirements
Explosion proof grade mark: [Exia] IIC
Security authentication parameters:
Um: 250V Uo: 10.5V Io: 6mA
Po: 15.8mW Lo: 10mH Co: 1.6 μ F
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