Parker PSD1-SW1200 - STO Principle of PSD1-M with Three Axis Modules

Safe Torque Off (STO) with PSD1
72 (109) 192-011006N8 2019-07 09.10.19 09:27
6.2.4. STO principle of PSD1-M with three axis modules
At the PSD1-M drive with three axis modules, STO for motor 1 is activated via 2
channels (STOA1/ and STOB1/ and for the motors 2 & 3 via two further channels
(STOA2/ & STOB2/).
Pin
Name
Description
X17.12
STOA1/*
Input
STOA1/ = 0 V
Motor 1 deactivated
STOB1/ = 0 V
Motor 1 deactivated
STOA1/ = 24 VDC and
STOB1/ = 24 VDC
Motor 1 released
X17.16
(see
page
49)
STOB1/*
Input
X17.14
STOGND1*
Input
STO Ground.
Ground of the external 24 VDC must be connected to the
central ground connection (bottom of the device).
X21.12
STOA2/*
Input
STOA2/ = 0 V
Motor 2 & 3 deactivated
STOB2/ = 0 V
Motor 2 & 3 deactivated
STOA2/ = 24 VDC and
STOB2/ = 24 VDC
Motor 2 & 3 released
X21.16
(see
page
49)
STOB2/*
Input
X21.14
STOGND2*
Input
STO Ground.
Ground of the external 24 VDC must be connected to the
central ground connection (bottom of the device).
* The inputs are optically isolated.