8 Diagnostics
8.1 Descriptions of errors
Diagnostics
Possible cause
Bus/sensor supply undervoltage
U
S1
< 20.4 V
Actuator supply undervoltage
U
S2
< 20.4 V
No actuator supply
U
S2
< 19.2 V
Short circuit in the sensor supply
Short circuit in the sensor supply (pin 1) to
GND (0 V) or sensor supply overload.
Actuator shutdown
Short circuit in the output channel to GND
(0 V) or output channel overload
Actuator warning
Short circuit in the output channel to 24 V
Maintenance requirement
POF system reserve < 2 dB
Maintenance request
POF system reserve < 0 dB
Simulation active
Force mode activated in the web application
Configuration error
Socket-based process data modules are com-
bined with pin-based process data modules.
Application error
Error when performing the application due to
excessive network load
8.2 Diagnostics at the control unit
Diagnostics in process data
The diagnostic data is part of the input data. The individu-
al diagnostic data modules can be combined as required.
Detailed descriptions regarding the diagnostic data can be
found in chapter 7.3.
PROFINET diagnostics
–
USI (User Structure Identifier): 0x8000
Channel error type Channel number Diagnostics
10
0 x 8000
Simulation active
256
0x0000 – 0x0007 Actuator shutdown
512
0x0000 – 0x0007 Actuator warning
1024
0 x 8000
Actuator supply undervoltage
1280
0 x 8000
No actuator supply
1536
0x0000 – 0x000F Short circuit in the sensor supply
1792
0 x 8000
Bus/sensor supply undervoltage
2048
0 x 8000
Configuration error
2304
0 x 8000
Application error
8 Diagnostics
| Descriptions of errors
32
2599890000/01/03.2020
Manual UR67-PROFINET-V14
