Setup
Pin Assignment for Connector Boards & Compact Versions
maxon motor control
EPOS4 Positioning Controller
Document ID: rel8399
3-39
EPOS4 Module/Compact 50/8 Hardware Reference
Edition: November 2018
© 2018 maxon motor. Subject to change without prior notice.
3.3.5.9
STO (X9)
Figure 3-23
STO connector X9
Activation of power stage
In order to activate the power stage, either
both
STO inputs must be powered or the «STO Idle Connec-
tor» (
Table 3-33; included with every Compact version delivery) must be plugged.
Table 3-32
STO connector X9 – Pin assignment
For the matching prefab cable assembly
Table 3-33
STO Idle Connector
X9
Head A
Prefab
Cable
Head B
Signal
Description
Pin
Color
Pin
1
white
1
STO-IN1+
Safe Torque Off input 1, positive signal
2
brown
2
STO-IN1−
Safe Torque Off input 1, negative signal
3
green
3
STO-IN2+
Safe Torque Off input 2, positive signal
4
yellow
4
STO-IN2−
Safe Torque Off input 2, negative signal
5
grey
5
STO-OUT+
Safe Torque Off output, positive signal
6
pink
6
STO-OUT−
Safe Torque Off output, negative signal
7
blue
7
GND
Ground
8
red
8
V
STO
Activation voltage for STO inputs (+5 VDC)
Note:
Do not use this voltage for any other
purpose
STO Idle Connector (520860)
—included with every Compact version delivery—
Plug
Molex CLIK-Mate, single row, 8 poles (502578-0800) with cable bridges