Flow controller MID 20
21
Data requests from the flow meter:
Command
Meaning
PI_4_25_51
Query of flow rate control status switched on or off
PI_4_26_52
Query of flow rate actual value.
PI_4_24_50
Query of target flow target value.
6.2 Additional commands for Profibus interface
6.2.1 Write commands
Data specifications to the flow meter:
CMD
Byte 2
Cmd No
Byte 3
Meaning
4
5
Flow rate control off/on (0=off / 1=on)
2
7
Write flow rate target value
6.2.2 Read commands
Data requests from the flow meter:
CMD
Byte 2
Cmd No
Byte 3
Meaning
14
5
Flow rate control off/on (0=off / 1=on)
12
7
Read flow rate target value
11
7
Read flow rate actual value
6.
1.2 Read commands