M Series AC Servo
User Manual
51
Rev. 1.0
7/31/2019
400-820-9661
4.8.3.5 X9、X10、X11、X12 Input With Common Com Port
M2 series AC drive also has 4 single ended optically isolated inputs connecting with single common
node
‘
COM
’
. They can be used with sourcing or sinking signals, 5-24V. This allows connection to PLCs,
sensors, relays and mechanical switches. Because the input circuits are isolated, they require a source of
power. If you are connecting to a PLC, you should be able to get power from the PLC power supply. If you
are using relays or mechanical switches, you will need a 5-24 V power supply.
What is COM?
“
Common
”
is an electronics term for an electrical connection to a common voltage. Sometimes
“
common
”
means the same thing as
“
ground
”
, but not always. If you are using sinking (NPN) signals, then COM
must connect to power supply +. If you are using sourcing (PNP) input signals, then you will want to
connect COM to ground (power supply -).
NOTE: If current is flowing into or out of an input, the logic state of that input is low or closed. If
no current is flowing, or the input is not connected, the logic state is high or open.
X9、X10、X11、X12 Circuit Are As Follows:
7
COM
26
X9
27
X10
28
X11
30
X12
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