Siemens SIMATIC ET 200AL, System Manual

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Diagnostics alarms
5.2 Diagnostics alarms
CM 4xIO-Link 4xM12 (6ES7147-5JD00-0BA0)
28
Equipment Manual, 04/2021, A5E32352322-AE
5.2 Diagnostics alarms
For each diagnostic event, a diagnostics alarm is issued and the DIAG LED flashes red on the
communication module. You can read out the diagnostics alarms, for example, in the
diagnostics buffer of the CPU. You can evaluate the error codes with the user program.
Table 5- 5 Error types
Diagnostics
alarm
Error
code
Meaning (IO-Link error code) IO-Link
master
IO-Link
device
Short-circuit 1
H
• Short-circuit at the process cables on the IO-Link device (1804
H
)
X
• Short-circuit on IO device (7710
H
)
X
Undervoltage 2
H
• Supply voltage too low (5111
H
, 5112
H
)
X
Overvoltage 3
H
• Supply voltage too high (5110
H
)
X
Overtemperature 5
H
• Temperature exceeded on master (1805
H
)
X
• Temperature exceeded on device (4000
H
, 4210
H
)
X
Wire break 6
H
• No IO-Link device connected
• There is a break on the signal line to the IO-Link device
• IO-Link device cannot communicate due to a different error
(1800
H
)
X
Overflow 7
H
• Process tag range exceeded (8C10
H
)
• Measuring range exceeded (8C20
H
)
X
Underflow 8
H
• Process tag range too low (8C30
H
)
X
Error 9
H
• All IO-Link error codes which are not listed here are mapped to this
PROFIBUS DP error
X
Parameter as-
signment error
10
H
• Incorrect device (1802
H
)
• Vendor ID and Device ID not defined (1817
H
)
• Process data length of the IO-Link device exceeded (1818
H
)
• No cycle time configured (1819
H
)
• IO-Link master could not be configured (1882
H
, 1883
H
)
• Memory error (1886
H
)
• Process data length exceeded (1887
H
)
• PQI not supported (1889
H
)
X
• Device was not configured correctly (6320
H
, 6321
H
, 6350
H
)
X
Supply voltage
missing
11
H
• 24 V encoder supply 1U
S
(of 1L+) for device missing (1806
H
)
• 24 V encoder supply 1U
S
(of 1L+) for device too low (<20 V)
(1807
H
)
• Load voltage 2L+ (switched) missing (1888
H
)
• 24 V actuator supply 2 UA (of 2L+) for device missing (180E
H
)
X
Defective fuse 12
H
• Fuse on device is defective (5101
H
)
X