Fail-Safe Blocks
Fail-Safe Systems
8-62 A5E00085588-03
Name Data Type Explanation Default
Outputs:
CHADDR00 F_WORD Interconnection with the F
channel driver of channel 0
Interconnected
automatically
...
CHADDR23 F_WORD Interconnection with the F
channel driver of channel 23
Interconnected
automatically
DIAG_1 DWORD Diagnostic information for
SM1, see table below
0
DIAG_2 DWORD Diagnostic information for
SM2, see table below
0
PROFIsafe1 F_BOOL Identify failure on a specific
PROFIsafe bus
0
PROFIsafe2 F_BOOL Identify failure on a specfic
PROFIsafe bus
0
SM1, SM2 – redundant modules
Error Information at the Output DIAG_1/2
DIAG_1 DIAG_2
Byte 0 Byte 0
Bit 0: TIMEOUT error on SM1 Bit 0: TIMEOUT error on SM2
Bit 1: Common error on SM1 Bit 1: Common error on SM2
Bit 2: CRC value/watchdog error on SM1 Bit 2: CRC value/watchdog error on SM2
Bit 3: Reserved Bit 3: Reserved
Bit 4: TIMEOUT error on CPU Bit 4: TIMEOUT error on CPU
Bit 5: Watchdog error on CPU Bit 5: Watchdog error on CPU
Bit 6: Check value error (CRC) on CPU Bit 6: Check value error (CRC) on CPU
Bit 7: Reserved Bit 7: Reserved
Byte 1 Byte 1
Bit 0: Discrepancy error on channel 0 of SM1 Bit 0: Discrepancy error on channel 0 of SM2
... ...
Bit 7: Discrepancy error on channel 7 of SM1 Bit 7: Discrepancy error on channel 7 of SM2
Byte 2 Byte 2
Bit 0: Discrepancy error on channel 8 of SM1 Bit 0: Discrepancy error on channel 8 of SM2
... ...
Bit 7: Discrepancy error on channel 15 of SM1 Bit 7: Discrepancy error on channel 15 of SM2
Byte 3 Byte 3
Bit 0: Discrepancy error on channel 16 of SM1 Bit 0: Discrepancy error on channel 16 of SM2
... ...
Bit 7: Discrepancy error on channel 23 of SM1 Bit 7: Discrepancy error on channel 23 of SM2
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