maxon motor EPOS4 Module 50/5 Hardware Reference Manual page 32

Setup
Pin Assignment for Connector Boards & Compact Versions
3.3.4.8
Figure 3-18
Activation of power stage
In order to activate the power stage, either both STO inputs must be powered or the «STO Idle Connec-
tor» (
X9
Head A
Pin
Table 3-29
For the matching prefab cable assembly Table 3-26 on page 3-30.
Plug
Table 3-30
3-32
STO (X9)
STO connector X9

Table 3-30; included with every Compact version delivery) must be plugged.
Prefab
Head B
Cable
Color Pin
1 white 1
2 brown 2
3 green 3
4 yellow 4
5 grey 5
6 pink 6
7 blue 7
8 red 8
STO connector X9 – Pin assignment
—included with every Compact version delivery—
Molex CLIK-Mate, single row, 8 poles (502578-0800) with cable bridges
STO Idle Connector
© 2018 maxon motor. Subject to change without prior notice.
Signal
STO-IN1+ Safe Torque Off input 1, positive signal
STO-IN1− Safe Torque Off input 1, negative signal
STO-IN2+ Safe Torque Off input 2, positive signal
STO-IN2− Safe Torque Off input 2, negative signal
STO-OUT+ Safe Torque Off output, positive signal
STO-OUT− Safe Torque Off output, negative signal
GND Ground
Activation voltage for STO inputs (+5 VDC)
V
Note: Do not use this voltage for any other
STO
purpose
STO Idle Connector (520860)
Document ID: rel8003
Edition: May 2018
Description
EPOS4 Positioning Controller
EPOS4 Module/Compact 50/5 Hardware Reference
maxon motor control