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WP-9000 series passive thermal resistance temperature transmitter (output loop power supply)
The WP-9000 series passive thermal resistance temperature transmitter (output loop power supply) isolates and converts on-site two-wire or three wire
Product details
The WP-9000 series passive thermal resistance temperature transmitter (output loop power supply) isolates and converts on-site two-wire or three wire thermal resistance signals into the required DC signal (linear with temperature) for output. Mainly used for DCS and PLC systems with input circuit power supply.
This temperature transmitter is powered by a loop, with complete electromagnetic isolation between the input and output circuits.
◆ Characteristics
Thermal resistor Pt100 input isolation conversion.
An isolated output (4-20) mA linearized with temperature.
● Circuit power supply (12-28) VDC.
● Input circuit overcurrent protection.
● Plug and unplug terminal block, DIN rail card installation.
● Working power supply
Output circuit power supply: (12-28) VDC
● Input circuit
Input channel: Terminal 1, 2, 3 wiring
Input type: 2-wire or 3-wire heating resistor Pt100
Signal range: (-200~850) ℃
● Output circuit
Input channel: Terminal 11-, 12+wiring
Output current (Io): (4-20) mA
Output circuit power supply voltage (Ue): (12-28) VDC
Minimum operating voltage (Ui): 12VDC
Output load capacity: see the following calculation diagram
Output load resistance: RL ≤ (Ue Ui)/0.02
Thermal resistance input disconnection alarm: low current ≤ 3.5mA; high current ≥ 22mA
Ripple (Vp-p): ＜ 10mV
● Performance indicators
Standard accuracy: ± 0.5% FS
Temperature drift: ± 0.015%/℃
Response time: ≤ 1s (10 → 90)%
Stability time: ≤ 3s
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 110g
◆ External dimensions
Dimensions: Width x Height x Depth=16 x 116 x 110 (mm)
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