Panasonic MINAS A6 Multi Series Technical Reference page 233

8.5Details of safety functions
8.5 Details of safety functions
8.5.1 Safety functions
This driver module supports 14 types of safety functions.
For details, refer to "PANATERM for Safety Programming Manual (SX-DSV03508)".
Safety functions
STO
(Safe Torque Off)
SSX
(Safe Stop 1/2)
SLS
(Safe Limited Speed)
SSM
(Safe Speed Monitoring)
(To be continued)
8-9
Outline

It turns off the output torque of the motor.

When a hardware have an error, alarm will occur.
SS1

(Safe Stop 1)
(SSX + STO)

SS2

(Safe Stop 2)
(SSX + SOS)


It monitors whether the motor is operating at the speed limit or lower.

It monitors whether the motor is operating within the specified speed
threshold values.

Even if the speed limit is exceeded, the SSM Status is not retained.
It monitors whether the emergency stop
sequence of the motor stops safely. (SSX)
It goes into safety torque off state if the
motor stops. (STO)
It monitors whether the emergency stop
sequence of the motor stops safely. (SSX)
It goes into the safe operating stop state if
the motor stops. (SOS)