Related Parameter Of The Sto Function - Delta ASD-A2-0121 Series User Manual

ASDA-A2
When the motor runs normally (Servo On), but one of the safety signal source is lost for 1 s, AL501
or AL502 occurs. Then the servo drive is in the Servo Off state.

3.14.9 Related Parameter of the STO Function

By setting parameter P2-93, you can determine the FDBK status (Pin FDBK+ and FDBK-) and
whether FDBK latches if an STO alarm occurs. The settings for P2-93 are shown as below:
STO_A
H
H
STO_B
L
S_ON
ON
Servo
status
Servo on
P2-93= XX 1 0
(1)
(2)
(3)
1 s
L
OFF
Servo off & AL501
(1) (2) (3)
Not in use
1: FDBK no latch
2: FDBK latch
0: Logic A
1: Logic B
2: Logic C
3: Logic D
Chapter 3 Wiring
3-91