Siemens IM 155-6 PN ST Manual page 40

Interrupts, diagnostics, error, and system messages
5.3 Alarms
USI structure = W#16#0006
Table 5- 13 USI structure = W#16#0006
Data block name
USI
Followed by the slot for the I/O module:
Slot
Followed by 2 reserved bytes:
Reserved
Reserved
USI structure = W#16#0007
Table 5- 14 USI structure = W#16#0007
Data block name
USI
Followed by the slot for the I/O module:
Slot
If slot 0 is specified, check the width of the station configuration (maximum 1 m).
Followed by 2 reserved bytes:
Reserved
Reserved
40
Content Comment
W#16#0006 Manufacturer-specific diagnostics if an I/O module is in-
stalled on an incorrect BaseUnit.
Result: Station stop
•
•
W#16#0001 to Bit 8 to 15
W#16#0020
Bit 0 to 7
Content Comment
W#16#0007 Manufacturer-specific diagnostics if operation is not possi-
ble with existing bus configuration
Result: Station stop
•
•
W#16#0001 to Bit 8 to 15
W#16#0040
Bit 0 to 7
The I/O modules fail → substitute value behavior
The interface module continues to exchange data with
the IO controller.
The I/O modules fail → substitute value behavior
The interface module continues to exchange data with
the IO controller
IM 155-6 PN ST interface module (6ES7155-6AU01-0BN0)
Bytes
2
1
1
1
1
Bytes
2
1
1
1
1
Manual, 04/2017, A5E03576904-AE