Chapter 17 Safe Torque Off Function | C2000 Plus
17-9
17-6 New Error Code for STO Function
06-17
Fault Record 1
06-18
Fault Record 2
06-19
Fault Record 3
06-20
Fault Record 4
06-21
Fault Record 5
06-22
Fault Record 6
Default: 0
Settings 72: STO loss 1 (STL1)
76: Safe torque off (STO)
77: STO loss 2 (STL2)
78: STO loss 3 (STL3)
Error Code Name Description
76
(STO)
STO Safe Torque Off function active
72
(STL1)
STL1
(STO1–SCM1)
STO1–SCM1 internal hardware detect error
77
(STL2)
STL2
(STO2–SCM2)
STO2–SCM2 internal hardware detect error
78
(STL3)
STL3 STO1–SCM1 and STO2–SCM2 internal hardware detect error
The old / new control board and old / new I/O card:
C2000 v1.12 firmware v1.20 firmware
v1.12 control board + old I/O card (no STO function) OK OK
v1.12 control board + new I/O card (with STO function) Error Error
v1.20 control board + old I/O card (no STO function) Error Error
v1.20 control board + new I/O card (with STO function) Error OK
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