Chapter 15 Safe Torque Off FunctionME300
15-12
Signal Status
S1–DCM ON ON OFF OFF
S2–DCM ON OFF ON OFF
Drive output Ready to output
STL2 mode
(torque output off)
STL1 mode
(torque output off)
STO mode
(torque output off)
Error displayed
on keypad
No error displayed
STL2 STL1 STO
Response time N/A ≤ 20 ms
RESET
mechanism
N/A
Cycle power to the
drive
Cycle power to
the drive
Press RESET
directly
Table 6: Action logic and keypad display description
STO means channel 1 and 2 operate simultaneously and enter Safe Torque Off.
STL1 means channel 1 operates.
STL2 means channel 2 operates.
STL3 means there is an error detected in the internal loop of channel 1 or channel 2.
S1–DCM / S2–DCM ON: means S1–DCM / S2–DCM inputs a power supply > 11 V
DC
.
S1–DCM / S2–DCM OFF: means S1–DCM / S2–DCM inputs a power supply < 5 V
DC
.
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