21
Rev. 1.0
09/27/2023
Multi-axis Series Hardware Manual
400-820-9661
3.1 Digital Inputs
The SSDC multi-axis series drives contain either 3 (-2XU/4XU) or 5 (-4X) digital isolated inputs.
The function of each input signal can be configured by the software Stepper Suite. The input
signal corresponds to the function as follows:
signal interface Function
X3 X3, XCOM
The following optional functions are available:
●
CW/CCW direction limit switch input port
●
General Purpose input (default)
X4 X4, XCOM
The following optional functions are available:
●
CCW/CW direction limit switch input port
●
General Purpose input (default)
X5
（
only-
4X
）
X5, XCOM
The following functions are available as options:
●
General Purpose input (default)
X7 X7, XCOM
The following optional functions are available:
●
General Purpose input (default)
●
Touch Probe1 input port
X8(only--4X)
X8, XCOM
The following optional functions are available:
●
Emergency stop function input port
●
General Purpose input (default)
Since the input circuit is an optocoupler isolation circuit, a 5-24V power supply is required.
For example, it can be used when connected to a PLC power supply; When using relays or
mechanical switches, a power supply is required.
XCOM is the common end of the single-ended input signal. When connecting a source-type (PNP)
signal, XCOM needs to be grounded (the negative side of the power supply). When connecting
drain type (NPN) signals, XCOM needs to connect to the positive terminal of the power supply.
Please use Stepper Suite software to configure X3, X4, X7 functions.
5 - 24V
Power Supply
Connecting a switch or relay to an input
XCOM+
-
Switch or Relay
(Closed: logic low)
SSDC
SSDC
SSDC
X3/X4/X5/X7/X8
5 - 24V
Power Supply
+
-
+
-
output
Connecting a NPN type output to an input
NPN type
output
XCOM
X3/X4/X7
5 - 24V
Power Supply
+
-
+
-
output
Connecting a PNP type output to an input
NPN type
output
XCOM
X3/X4/X7
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