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VJC1 Loop Powered Isolator
Brand: Yokogawa Electric Corporation
The VJC1 is a plug-in signal isolator that receives current signals from a signal source and converts them into isolated DC voltage or isolated DC current signals.
The VJC1 isolator can operate without any driving power source.
Features- A Choice of Single-channel and Dual-channel Models
- Close Side by Side Mounting
Specifications
Accuracy
- ± 0.1 % of Span
- ± 0.3 % of Span for 10-50 mA Input
Channels
- Dual
- Single
Electrical Connectors
- M3 Screw Terminal
Electrical Contacts
- Normally Closed
Enclosure, Body Material
- ABS Resin
Humidity
- 5 to 90 % RH, Non-Condensing - Operating Humidity
Input
- 30 Vdc - Allowable Voltage Level
Input Signal
- 10-50 mA DC
- 4-20 mA DC
Insulation Resistance
- 100 MΩ min. at 500 Vdc Across Input & Output Terminals & between Channels
Mounting
- DIN Rail Mounting
- Side by Side Multiple Mounting Base
- Wall Mounted
Operating Temperature
- 0° to 50° C (32° to 122° F)
Output
- 1-5 Vdc
- 4-20 mA DC
Resistance
- 100 ohms (For Current Output Mode) - Allowable Load Resistance of Input Signal Source
- 250 ohms (For Voltage Output) - Output Resistance
- 350 ohms (For Voltage Output Mode) - Input Resistance for Input Signal
- 500 kΩ min. (For Voltage Output Mode) - Allowable Load Resistance for Input Signal
- 500 ohms (For Voltage Output Mode) - Input Resistance for Input Signal
Response Time
- 100 ms for 63 % Response when in Current Output Mode (10 to 90 % Change of Range)
Supply Voltage
- 1,500 Vac for One Minute Across Input & Output Terminals - Withstanding Voltage
- 2,000 Vac for One Minute between Channels - Withstanding Voltage
Temperature Effect
- Up to ± 0.2 % of Span Per 10° C (18° F) - Effects of Ambient Temperature Variations