208 Appendix
WAGO-I/O-SYSTEM 750
750-375 PROFINET IO advanced Fieldbus Coupler
Manual
Version 1.1.0
14.5.1.1.3 Analog Input Modules
Table 237: Fault cases of analog output modules with diagnostics capability
Item
number
Data
format
Error type
Explanation
75x-460,
75x-461,
75x-481
75x-469
75x-487
WORD
0x0006 / 6
0x0008 / 8
0x0009 / 9
Line break
Lower limit value
undershot
Error
Signal line to transmitter interrupted
Measurement range undershoot or signal
line to the transmitter has a short circuit
Internal error (e.g. hardware error)
75x-464
WORD
0x0001 / 1
0x0006 / 6
0x0007 / 7
0x0008 / 8
0x0009 / 9
0x0014 / 20
0x0015 / 21
Short circuit
Line break
Upper limit value
exceeded
Lower limit value
undershot
Error
Upper user limit
value exceeded
Lower user limit
value undershot
Signal line to transmitter short circuit
Signal line to transmitter interrupted
Upper measurement range end value
exceeded
Lower measurement range end value
undershot
Internal error (e.g. hardware error)
Upper user limit value exceeded
Lower user limit value undershot
75x-452,
75x-465,
75x-467,
75x-468,
75x-470
75x-472,
75x-475,
75x-477
WORD
0x0007 / 7
0x0009 / 9
Upper limit value
exceeded
Error
Upper measurement range end value
exceeded
Internal error (e.g. hardware error)
75x-453,
75x-454,
75x-455,
75x-456,
75x-457,
75x-459,
75x-466,
75x-474,
75x-476,
75x-478,
75x-479,
75x-480,
75x-483,
75x-485,
75x-492
WORD
0x0007 / 7
0x0008 / 8
0x0009 / 9
Upper limit value
exceeded
Lower limit value
undershot
Error
Upper measurement range end value
exceeded
Lower measurement range end value
undershot
Internal error (e.g. hardware error)
75x-491
WORD
0x0003 / 3
0x0007 / 7
0x0009 / 9
Overvoltage
Upper limit value
exceeded
Error
Maximum permissible bridge power
supply
Overrange bridge voltage
Internal error (e.g. hardware error)
75x-493
WORD
0x0002 / 2
Undervoltage
Low voltage threshold between L and N
undershot
75x-494,
75x-495
OTHER
0x0009 / 9
Error
Error on at least one phase or I/O module
faulty.