Interrupts, diagnostics, error, and system messages
5.3 Alarms
IM 155-6 PN ST interface module (6ES7155-6AU01-0BN0)
34 Equipment Manual, 10/2020, A5E03576904-AE
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:
Slot number ChannelError-
ExtendedChannel-
Associated
Diagnostics
Station stop - module parameter "Poten-
tial group" faulty or incorrect BaseUnit in
Diagnostics with missing server module
Diagnostics backplane bus too long
Diagnostics with incorrect bus configura-
tion
Diagnostics with incorrectly plugged
BusAdapter
Group diagnostics: Missing supply voltage
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
Manufacturer-specific diagnostics in the User Structure Identifier (USI)
The following manufacturer-specific diagnostics are signaled in the USI with the
IM 155-6 PN ST interface module:
Table 5- 9 Manufacturer-specific diagnostics in the USI
Group diagnostics: Missing supply voltage L+ for the potential groups *
Diagnostics with missing server module
Diagnostics when more than one I/O module has been pulled
Diagnostics with incorrect BaseUnit
Diagnostics with incorrect bus configuration
-6 PN ST V1.1.x and GSD file 04/2013, this diagnostics is only signaled if the "Group
diagnostics: Missing supply voltage L+" parameter has been activated.
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