108 Appendix
WAGO-I/O-SYSTEM 750
750-494 3-Phase Power Measurement Module
Manual
Version 1.2.0
Table 25: Register 5
Register 5 – Command interface response
Function
Data type
Access
Factory setting
Command Interface Response
UINT
[R]
0x0000
High byte
Sequence number (Session ID)
Low byte
Response
Request A mirror image of the request command is created when the command is successfully
applied.
0xF0
Command is valid, but cannot be executed.
0xFD
The session ID received by the master does not correspond to the last confirmed
session ID + 1.
0xFE
The command received by the master is not implemented in the slave.
0xFF
General internal error
Table 26: Register 32
Register 32 – Feature register
Function
Data type
Access
Factory setting
Feature Register
Flags
R/W
0x0000
Bit 0: -Reserved-
Bit 1: DC measurement
0:
DC filter is active. (factory setting)
1:
The DC filter will be bypassed.
Bit 2: Activation of the RUN LED/Watchdog Timer
0:
The green RUN LED "A" lights up when data are transferred over the internal bus. This
LED is deactivated after a period of inactivity of 200 ms (factory setting).
1:
The green RUN LED "A" remains lit.
Bit 3: Selection of nominal frequency
0:
The nominal frequency is 50 Hz (factory setting).
1:
The nominal frequency is 60 Hz.
Bit 4 + 5: -Reserved-
Bit 6 + 7: Phase selection for peak measurement
0:
Peak measurement for phase L1 is active (factory setting).
1:
Peak measurement for phase L2 is active.
2:
Peak measurement for phase L3 is active.
3:
-reserved-
Bit 8: Activation of automatic reset of min/max values for phase L1
0:
Automatic deleting of minimum and maximum current, voltage and power values is not
activated (factory settings).
1:
Automatic deleting of minimum and maximum current, voltage and power values is
activated.
Bit 9: Activation of automatic reset of min/max values for phase L2
0:
Automatic deleting of minimum and maximum current, voltage and power values is not
activated (factory settings).
1:
Automatic deleting of minimum and maximum current, voltage and power values is
activated.
Bit 10: Activation of automatic reset of min/max values for phase L3
0:
Automatic deleting of minimum and maximum current, voltage and power values is not
activated (factory settings).