9.10 I/O Connection
9.10.1 I/O connectors X15 and X16
Digital I/O signals are connected to X15, STO signals are connected to X16.
X15 (I/O)
X16 (STO)
Conn. Pin Signal
Abbreviation
Function
Wiring
Diagram
X15
1
Digital
DIGITAL-OUT+ Programmable
X15
2
Digital Output -
DIGITAL-OUT-
X15
3
Hardware Enable
Enable
Output stage
enable
X15
4
Digital Common
DCOM
Common line for
X15 pin 1, 2, 3
X15
5
Fault Relay Output Fault
Fault Relay Output
X15
6
Fault Relay Output Fault
Fault Relay Output
X16
1
STO-Status for
DC Power String 1
STO-Status 1
Status of STO for
string 1
X16
2
STO-Status for
DC Power String 2
STO-Status 2
Status of STO for
string 2
X16
3
STO +24 VDC
STO +24 V
24 VDC for STO
signals
X16
4
STO GND
STO GND
GND for STO 24 V
X16
5
STO GND
STO GND
GND for STO 24 V
X16
6
STO-Enable for
DC Power String 1
STO-Enable 1
Switches off
torque for drives in
string 1
X16
7
STO GND
STO GND
GND for STO 24 V
X16
8
STO-Enable for
DC Power String 2
STO-Enable 2
Switches off
torque for drives in
string 2
The DCOM line should be connected to the 0V of the I/O supply when using sensors of type
"Source" with digital inputs.
The DCOM line should be connected to the 24V of the I/O supply when using sensors of type
"Sink" with digital inputs.
AKD-C Installation | 9 Electrical Installation
Kollmorgen | kdn.kollmorgen.com | February 2018
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