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VJS2 Isolated Single & Dual Output Potentiometer
Brand: Yokogawa Electric CorporationThe VJS2 is a compact, plug-in potentiometer converter that is used in combination with an instrument to transmit information for displacement of valve, etc. by resistance change of potentiometer parameters.
It converts resistance changes into isolated DC voltage or DC current signals.
Features- A wide choice of input and output signal ranges
- Four isolated ports (input, output-1, output-2, power supply and grounding) on a dual-output model
- A withstanding voltage of 2,000 Vac
- A wide supply voltage range - supporting both 100 V and 200 V power lines of AC or DC
- Close side-by-side mounting
- A burnout function
- Compatibility with potentiometers having an overall resistance between 100 Ohms and 10 KiloOhms, without needing to specify the range
- Zero and span adjustment, each of which is capable of making 50% adjustments
Specifications
Accuracy
- ± 0.1 % of Span
Approvals & Certifications
- CE
- EMC EN 61326
Burn-Out
- 60 seconds - Max.
- Downscale
- Off
- Upscale
Consumption
- 160 mA at 24 Vdc - Current Consumption
- 5.4 VA at 100 Vac - Power Consumption
- 7.4 VA at 200 Vac - Power Consumption
Electrical Connectors
- M3 Screw Terminal
Enclosure, Body Material
- ABS Resin
Humidity
- 5 to 90 % RH, Non-Condensing - Operating Humidity
Input
- 50 % of the Overall Resistance - Input Span
Insulation Resistance
- 100 MΩ min. at 500 Vdc between Input, Output-1, Output-2, Power Supply & Grounding Terminals Mutually
Measuring Range
- Overall Resistance from 100 to 10,000 ohms
Measuring Voltage
- Approximately 0.5 Vdc
Mounting
- DIN Rail Mounting
- Side-by-Side Multiple Mounting Base
- Wall Mounted
Operating Temperature
- 0° to 50° C (32° to 122° F)
Output
- 0-20 mA DC
- -10 to 10 Vdc
Power Supply Effect
- Up to ± 0.1 % of Span for a Supply Voltage Range of 85-264 Vac (47 to 63 Hz), 85-264 Vdc / 12-36 Vdc - Effect of Power Line Regulation
Resistance
- 2 to 250 kΩ - Allowable Load Resistance for Output Voltage
- 350 to 15,000 ohms - Allowable Load Resistance for Output Current
Response Time
- 150 ms for a 63 % Response (10 to 90 % Change of Range of the Final Value)
Span & Zero Adjustments
- 0 to 50 % Range of the Overall Resistance- Zero Adjustment
- 50 to 100 % Range of the Overall Resistance - Span Adjustment
Supply Voltage
- 1,000 Vac/minute between Output-1 & Output-2 Terminals - Withstanding Voltage
- 100-240 Vac/dc (-15 %, 10 %), 50/60 Hz
- 12-36 Vdc
- 15-30 Vdc (± 20 %)
- 2,000 Vac/minute between Input, Output-1, Output-2, Power Supply & Grounding Terminals Mutually - Withstanding Voltage
- 85-264 Vac (47 to 63 Hz)
- 85-264 Vdc
Temperature Effect
- Up to ± 0.2 % of Span Per 10° C (18° F) - Effect of Ambient Temperature Variations
Version / Leadwires
- 3-Wire Potentiometer
Zero Offset
- 50 % of the Overall Resistance - Zero Elevation
