18
Rev. 1.0
11/28/2017
STF-D/IP Hardware Manual
400-820-9661
3.1.2 X5, X6, X7 and X8 Digital Inputs
X5, X6, X7 and X8: optically isolated, single-ended, 5-24VDC for high level voltage, minimum
pulse width 100
μ
s, maximum pulse frequency 5KHz
•
X5 can be used as motor enable input or general purpose input.
•
X6 can be used as alarm reset input or general purpose input.
•
X7 can be used as general purpose input or touch Probe 1 trigger input.
•
X8 can be used as general purpose input or touch Probe 2 trigger input.
Because the input is an optically isolated circuit, a 5-24V power supply is needed. For example,
you can use the power supply of the PLC when you are using a PLC control system, but if you
want to connect a relay or mechanical switch to the input , you must need a power supply.
XCOM is an electronics term for a single-ended signal connection to a common voltage. If you are
using a sourcing (PNP) input signals, you need to connect XCOM to the ground (power supply
-), if you are using a sinking(NPN) input signals ,the XCOM need to be connected to the power
.
Use
STF Configurator
software for X5, X6, X7 and X8 function con
fi
guration.
The following graphs show some common connection methods for the inputs:
5-24VDC
Power
Supply
Connecting the inputs to a Switch or Relay
XCOM
X5/X6/X7/X8
+
-
STF
Drive
Switch or Relay
(closed = logic Low)
5-24VDC
Power
Supply
XCOM
+
-
+
-
X5/X6/X7/X8
Connecting the inputs to a NPN type output
STF
Drive
NPN
Output
output
+
-
+
-
X5/X6/X7/X8
XCOM
Connecting the inputs to a PNP type output
5-24VDC
Power
Supply
STF
Drive
PNP
Output
output
