Chapter 17 Safe Torque Off Function C2000-HS
17-8
17-6 New Error Code for STO Function
Present Fault Record
Second Most Recent Fault Record
Third Most Recent Fault Record
Fourth Most Recent Fault Record
Fifth Most Recent Fault Record
Sixth Most Recent Fault Record
Settings 72: Channel 1 (STO1–SCM1)internal hardware error
76: STO (Safe Torque Off)
77: Channel 2 (STO2–SCM2) internal hardware error
78: Channel 1 and Channel 2 internal hardware error
Error code Name Description
76 STO Safe Torque Off function active
72
STL1
(STO1–SCM1)
STO1–SCM1 internal hardware detect error
77
STL2
(STO2–SCM2)
STO2–SCM2 internal hardware detect error
78 STL3
STO1–SCM1 and STO2–SCM2 internal
hardware detect error
The Old/New control board and Old/New I/O card:
C2000-HS 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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