INSTALLATION
Series 642
30/73
Edition 2013-08-22
603685EA
4.5.8
Digital outputs
Pin
Function
Signal type Description
8
VALVE OPEN
or
SERVICE REQUEST
Digital
output
1)
This output is active in all operation modes and indicates either that the
valve is open or that a service is requested.
A service request is indicated when the valve requires cleaning due to
contamination.
Configuration of the functionality of this output can be done in local
operation via service port.
By default the output indicates open
9
VALVE CLOSED
or
SERVICE REQUEST
Digital
output
1)
This output is active in all operation modes and indicates either that the
valve is close or that a service is requested.
A service request is indicated when the valve requires cleaning due to
contamination.
Configuration of the functionality of this output can be done in local
operation via service port.
By default the output indicates close
22
VALVE STATUS
Digital
output
1)
The meaning of this output depends on the operation mode.
e.g.
LEARN:
LEARN is not completed yet.
PRESSURE CONTROL:
Actual pressure is out of ±2% range of SETPOINT
POSTION CONTROL:
Actual position is out of ±0.1% range of SETPOINT
21
READY
Digital
output
1)
This signal indicates that the valve is ready for remote operation.
If this signal is not active the valve is in one of the following modes:
Synchronization during power up
Local operation via service port
Safety mode. Refer to «Safety mode» for details.
20
COMMON
Digital
common
Common for all digital outputs.
1) Refer to «Function and wiring» for details about output circuit.
