Commissioning
Operation Manual
Safety I/O Terminals
SI4000 / SO4000
Document no.: 5.08009.05
53
7
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 to 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