Interrupts, diagnostics, error, and system messages
5.3 Alarms
IM 155-6 PN ST interface module (6ES7155-6AU01-0BN0)
Manual, 04/2017, A5E03576904-AE
37
Channel diagnostics
Function
Channel-related diagnostics provides information about channel faults in modules.
Channel faults are mapped as channel diagnostics data in IO diagnostics data records.
The data record is read using the instruction "RDREC".
Structure of the diagnostics data records
The data records supported by the ET 200SP distributed I/O system are based on the
standard PROFINET IO - Application Layer Service Definition V2.3.
You can purchase the standard from the PROFIBUS User Organization on the Internet
(http://www.profibus.com).
Coding of the extended channel diagnostics (as of firmware version V3.3.0)
With the IM 155-6 PN ST interface module, the following extended channel diagnostics are
reported:
ExtendedChannel-
ErrorType (ECET)
Associated value
AddValue
Module slot 0x0602 0x0691 Slot Station stop - module parameter "Poten-
tial group" faulty or incorrect BaseUnit in
Slot 0 0x0602 0x0693 0x00 Diagnostics with missing server module
Diagnostics backplane bus too long
0x0602 0x0699 Slot Diagnostics with incorrect bus configura-
tion
0x0602 0x069C 0x00 Diagnostics with incorrectly plugged
Server module slot 0x0610 0x06B0 0x00 Group diagnostics: Missing supply volt-
age L+ for the potential groups
Note: The slot in which the light-colored
BaseUnit of the respective load module is
located is coded in the "ChannelNumber"
Structure of the manufacturer-specific diagnostics data records (firmware version < V3.3.0)
The structure of the diagnostics data records is differentiated by the BlockVersion. The
following BlockVersion applies to the IM 155-6 PN ST interface modules:
Table 5- 8 Structure of the manufacturer-specific diagnostics data records
IM 155-6 PN ST interface module
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