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WP-9000 series DC signal converter (output loop power supply)
Isolate and limit various input DC signals, convert them into the required DC signals, and output them to the control system or other unit combination
Product details
The WP-9000 series DC signal converter (output loop power supply) converts various input DC signals through isolation and energy limiting processing into the required DC signals and outputs them to the control system or other unit combination instruments. Some signal receiving devices come with a 24V power supply, and the output of the converter is usually an active signal. When connected, power conflicts may occur. Using an output loop power supply type can avoid power conflicts and achieve signal isolation.
This converter has independent power supply mode and output circuit power supply interface requirements, with electromagnetic isolation between the power supply input circuit output circuit.
◆ Characteristics
DC signal input for on-site equipment.
Standard analog signal electrical isolation.
● Signal transmission isolation output (4-20) mA.
Output circuit power supply (12-35) V.
● It has independent power supply mode and output circuit power supply interface requirements.
Modular core design, no need for zero and full adjustment.
Equipped with a working power indicator light.
● 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:<22mA at 24VDC (one in one out)
＜ 40mA (one in and two out)
Power indicator: Power on LED light on: green
● Input signal
Transmitter signal input: (4-20) mA
Input impedance: Built in input resistor 50 Ω
● Output signal
Output current (Io): (4-20) mA;
Output circuit power supply voltage (Uo): (12-35) V
Voltage drop (Ud): 3V
Allowable load during current output: RL ≤ (Uo Ud)/Io
Ripple (Vp-p): ＜ 10mV
Note: The selection of power supply voltage for the output circuit should be based on the size of the load. If the voltage is too high and the load is very small, it will aggravate the heating condition of the isolator.
● 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/500VDC (AC)
Isolation capability: 1500VAC/1 minute 50Hz
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 115g
◆ External dimensions
Dimensions: Width x Height x Depth=16 x 116 x 110 (mm)
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