4 SAFETY MONITORING FUNCTIONS
4-50 Safety Monitoring Functions
(b) When deceleration fails with SS1 enabled
Elapsed time from when the SS1 command is enabled is measured. If the motors fail to stop by the time the
SS1 deceleration monitoring time elapses, error H2280 occurs. The operation sequence is shown below:
Fig. 4-35: When deceleration fails with SS1 enabled
(c) When the SS1 command is canceled with SS1 enabled before the STO monitoring state becomes
active
Once the SS1 command is enabled, the SS1 monitoring cannot be canceled until the STO monitoring state
becomes active (the deceleration and stop operation cannot be canceled). After the STO monitoring state
becomes active, the SS1 monitoring is canceled.
Fig. 4-36: When the SS1 command is canceled with SS1 enabled before the STO monitoring state becomes
active
(d) When the origin has not been configured
When the origin has not been configured, inputting the SS1 command (emergency stop, error) activates the
STO monitoring state immediately.
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