Images are representations only.
WS4A/WS4V POT Transmitter
Brand: Yokogawa Electric Corporation
This signal conditioner converts the change in the resistance of potentiometer fitted in motor operated valve or air duct dampers, etc. to current or voltage signals.
Features- Non-isolated type.
Specifications
Accuracy
- ± 0.1 % of Span - Precision Rating
Burn-Out
- 60 seconds, Max.
- Down
- Off
- Up
Dissipation
- 5.5 VA at 100 Vac (WS4V-2) - Power Dissipation
- 55 mA at 24 Vdc (WS4V-1) - Current Dissipation
- 7 VA at 100 Vac (WS4A-2) - Power Dissipation
- 85 mA at 24 Vdc (WS4A-1) - Current Dissipation
Electrical Connectors
- M4 Screw Terminal
Enclosure, Body Material
- ABS Plastic
Humidity
- 5 to 90 % RH, Non-Condensing for 0° to 50° C (32° to 122° F)
- 5 to 95 % RH, Non-Condensing for -40° to 70° C (-40° to 158° F) & -10° to 60° C (14° to 140° F)
Insulation Resistance
- 100 MΩ min. at 500 Vdc between Input-Output-Power Supply (DC Drive), Input-Output-Power Supply-Ground (AC Drive)
Materials of Construction
- Glass-Epoxy - Both Sides of Board
Mounting
- DIN Rail Mounting
- Rack-Mounting
- Wall Mounting
Operating Temperature
- 0° to 50° C (32° to 122° F) - Normal Operating Condition
- -10° to 60° C (14° to 140° F)
Output
- 0-20 mA DC - Model WS4A
- -10 to 10 Vdc - Model WS4V
Power Supply
- 24 Vdc ± 10 %
- 85-264 Vac, 47 to 63 Hz
Power Supply Effect
- ± 0.1 %, Max.
Resistance
- 0 to 15,000 ohms - Permissible Load Resistance for DC Current Output (WS4A)
- 1 to 100 ohms, Max.
- 10 ohms, Max.
- 100 to 2,000 ohms - Full Resistance (Measuring Range)
- 2 to 250 kΩ min. - Permissible Load Resistance for DC Voltage Output (WS4V)
- 5 MΩ min. - Output Resistance for DC Current (WS4A)
- 80 to 2,000 ohms (50 % Min. of Full Resistance) - Span
Span & Zero Adjustments
- ± 5 % of Span
Storage Temperature
- -40° to 70° C (-40° to 158° F)
Supply Voltage
- 1,500 Vac/minute between Input-Output-Power Supply-Ground (AC Drive) - Voltage Withstand
- 500 Vac/minute between Input-Output-Power Supply (DC Drive) - Voltage Withstand
Temperature Effect
- ± 0.2 %, Max.
Zero Offset
- 50 %, Max.
