Parker PSD1-SW1200 - STO Principle of PSD1-S with One Axis Module; STO Principle with PSD1-S

Safe Torque Off (STO) with PSD1
70 (109) 192-011006N8 2019-07 09.10.19 09:27
6.2.1. STO principle with PSD1-S
With the single axis drive PSD1-S STO is activated via 2 channels (STOA/ and
STOB/).
Pin
Name
Description
X17.12
STOA/*
Input
STOA/ = 0 V
Motor deactivated
STOB/ = 0 V
Motor deactivated
STOA/ = 24 VDC and
STOB/ = 24 VDC
Motor released
X17.16
(see
page
32)
STOB/*
Input
X17.14
STOGND*
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.
6.2.2. STO principle of PSD1-S with one axis module
At the PSD1-M with one axis module, STO is activated via 2 channels (STOA1/
und STOB1/).
Pin
Name
Description
X17.12
STOA1/*
Input
STOA1/ = 0 V
Motor deactivated
STOB1/ = 0 V
Motor deactivated
STOA1/ = 24 VDC and
STOB1/ = 24 VDC
Motor 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).
* The inputs are optically isolated.