Commissioning
Operation Manual Safety I/O Terminals SI4000 / SO4000
Document no.: 5.08009.05
53
of 82
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7.1.8.6 Meaning of the SI4000 and SO4000 diagnostic variables
Variable Value / Bit Meaning
w_LM*_SDx_Diag_01 Bit 0 0: Configuration data of the safety device is
invalid
1: Configuration data of the safety device is
valid
Bit 1 0: Safety communication has not yet started
running to the safety device
1: Safety communication has started running to
the safety device (display saved)
Bit 2 0: An error has not occurred
1: An error related to the safety device has
occurred (saved display)
Bit 3 0: An error has not occurred
1: An error related to the safety device has
occurred (current display)
Bit 4 0: Safe parameter download to the safety
device not active
1: Safe parameter download to the safety
device active
Bit 5 0: Safety communication in another status
1: Safety communication running to the safety
device in “FailSafeData” status
Bit 6 0: Safety communication in another status
1: Safety communication is running t
o the safety
device in “ProcessData” status (normal opera-
tion status)
Bit 7 0: No error reported by safety device
1: Safety device is reporting an error (FailSafe-
Data)
Bit 8 – 15 Reserved
x stands for I with the input module and for O with the output module
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