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PCI-M324 User Guide
3.1.3 Servo drive pulse I/O interface
OUT / DIR (pulse output control / DO signal)
Pulse output control function: PCI-M324 is built-in with six different pulse output control functions,
which are controlled by the DIR and OUT output interfaces. The hardware circuit is designed to
adopt the RS-422 differential line driver output interface, which can connect to RS-422
differential, optocoupler, and TTL unipolar interfaces.
Pin
Mark
43
DIR+_1
44
DIR-_1
47
DIR+_2
48
DIR-_2
45
OUT+_1
46
OUT-_1
49
OUT+_2
50
OUT-_2
Differential mode
(1) Differential output connects to differential input
November, 2017
I/O
Description
st
O
1
direction pulse signal (+)
st
O
1
direction pulse signal (-)
nd
O
2
direction pulse signal (+) 97
nd
O
2
direction pulse signal (-)
st
O
1
output pulse signal (+)
st
O
1
output pulse signal (-)
nd
O
2
output pulse signal (+)
nd
O
2
output pulse signal (-)
Internal circuit
Pin
Mark
I/O
93
DIR+_3
O
94
DIR-_3
O
DIR+_4
O
98
DIR-_4
O
95
OUT+_3
O
96
OUT-_3
O
99
OUT+_4
O
100
OUT-_4
O
DIFF+
R
DIFF-
GND
Signal Connection Interface
Description
rd
3
direction pulse signal (+)
rd
3
direction pulse signal (-)
th
4
direction pulse signal (+)
th
4
direction pulse signal (-)
rd
3
output pulse signal (+)
rd
3
output pulse signal (-)
th
4
output pulse signal (+)
th
4
output pulse signal (-)
3
3-15
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