Key Specifications
- Outputs
- Relay, logic level, SCR zero-crossing, 0-10mA, 4-20mA, 0-5V and 0-10V
- Communication distance
- RS232 12m, RS485 1.2km
- Options
- PV transmission, differential transmission and ratio control
- Alarm
- Optional relay alarm output
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Temperature & Process Control
DC220
Temperature Differential Controller
The DC220 temperature-differential controller measures and controls the temperature difference between two points, with relay, SCR, analog, communication and PV/differential transmission options.
Technical Detail
Technical Details
The DC220 temperature-differential controller measures and controls the temperature difference between two points. It supports relay, logic-level, SCR zero-crossing and analog outputs, plus RS232/RS485 communication and PV or differential-value transmission.
Specifications
| Control function | Differential temperature measurement and control |
|---|---|
| Outputs | Relay, logic-level, SCR zero-crossing, 0-10mA, 4-20mA, 0-5V and 0-10V |
| Communication distance | RS232 up to 12 m; RS485 up to 1.2 km |
| Options | PV transmission, differential-value transmission and ratio control |
| Alarm | Optional relay alarm output |
| Typical applications | HVAC energy-saving systems, heat-exchange systems and two-point temperature-difference control |
