The Greisinger GRA 0420 VO is a Plug-In Controller/ Display for monitoring and controlling devices for universal use.
The device has an input for a standard signal 4 to 20mA. The connection is made by a simple elbow-type plug according to EN 175301-803/A to a transmitter.
The Controller provides a switching output (NPN output) that can be configured as 2-point controller or min/max alarm. The output state is indicated by an additional LED below the left side of the 7-segment display.
The GRA 0420 VO identifies impermissible operating states like display or system errors and displays a corresponding error code.
- Self-supplying plug-in display/ controller
- Extreme fast controlling and monitoring
- Programmable switching outputs
- Manufacturer's part: Greisinger GRA 0420 VO