Siemens IM 155-6 PN ST Equipment Manual page 37

USI structure = W#16#0003
Table 5- 10 USI structure = W#16#0003
Data block name
USI
Followed by the slot as of which the supply voltage L+ has failed.
Slot
Followed by 2 reserved bytes:
Reserved
Reserved
USI structure = W#16#0004
Table 5- 11 USI structure = W#16#0004
Data block name
USI
Followed by 4 reserved bytes:
Reserved
Reserved
Reserved
Reserved
USI structure = W#16#0005
Table 5- 12 USI structure = W#16#0005
Data block name
USI
The number of pulled I/O modules follows
Quantity
IM 155-6 PN ST interface module (6ES7155-6AU01-0BN0)
Equipment Manual, 10/2020, A5E03576904-AE
Content Comment
W#16#0003 Manufacturer-specific diagnostics with failure of supply
voltage L+ as of slot x
W#16#0001 to Bit 8 to 15
W#16#0020
Bit 0 to 7
Content Comment
W#16#0004 Manufacturer-specific diagnostics with missing server
module
Result: Station stop
•
•
Content Comment
W#16#0005 Manufacturer-specific diagnostics if more than one I/O
module has been pulled. The number of pulled I/O modules
is displayed.
Result: Station stop
•
•
W#16#0002 to Bit 8 to 15
W#16#0020
Bit 0 to 7
Interrupts, diagnostics, error, and system messages
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.
5.3 Alarms
Bytes
2
1
1
1
1
Bytes
2
1
1
1
1
Bytes
2
1
1
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