NSK MEGATORQUE M-ESA-Y3040T25 - Hardware over Travel Limit; Emergency Stop; Program Error

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14.2.4.9. Hardware Over Travel Limit
[Output] DRDY: Open
[TA] F3 > Hardware Over Travel
[LED] F3
[Motor Condition] Servo Lock in one direction.
(The Motor will only rotate in the direction opposite to that of the
rotation limit.)
Table 14-18: Cause and Remedy: Software over travel
Cause Remedy
(1) Motor activated travel limit switch. • Put back Motor position out of the range of hardware
over travel limit.
(2) Mistaken setting of input port polarity. • Confirm the parameter “AB.”
(3) Faulty travel limit switch or wiring. • Check the limit switch and wiring.
14.2.4.10. Emergency Stop
[Output] DRDY: Closed
[TA] F4 > Emergency Stop
[LED] F4
[Motor Condition] Servo Lock
Table 14-19: Cause and Remedy: Emergency stop
Cause Remedy
(1) Mistaken setting of input port polarity. • Confirm the parameter “AB.”
(2) EMST is input. (A contact) • Clear EMST input after the Motor stops.
(3) EMST is OFF. (B contact) • Input EMST ON after the Motor stops.
(4) Faulty wiring. • Check wiring.
14.2.4.11. Program Error
[Output] DRDY: Closed
[TA] F5 > Program Error
[LED] F5
[Motor Condition] Servo Lock
Table 14-20: Cause and Remedy: Program error
Cause Remedy
(1) A non-programmed channel is started. • Check the program.
• Check wiring of PRG0~PRG5 input.
• Confirm sequence.
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