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Communication Using I/O Signals
Using the Controller I/O Cable
By using the Data Storage Unit's I/O cable, you can output judgment results to external
devices, or input a control signal from external devices. A predetermined I/O signal is
assigned to each signal wire of the I/O cable.
Wiring
Assignments and Functions of I/O Signal Wires
Assignment of output signal wires
Function
Signal
Judgment output
HIGH
PASS
LOW
ERROR
Control output
BUSY
ZG2-DSU User's Manual
Brown
Power supply (24 V)
Blue
GND (0 V)
Red
HIGH
Green
PASS
Black
LOW
Pink
ERROR
Gray
BUSY
Yellow
TRIG
Light blue
Unused
Purple
START
White
STOP
Orange
Unused
Description
Turns ON when the measurement value of the specified
task is greater than the HIGH threshold.
Turns ON when LOW threshold
HIGH threshold.
Turns ON when the measurement value of the specified
task is smaller than the LOW threshold.
Turns when specified task ends in a measurement error.
Turns ON while the Data Storage Unit is executing
processing. New operation instructions cannot be
accepted while the BUSY signal is ON.
Communication Using I/O Signals
5 output terminals
3 input terminals
≤
measurement value
≤
53
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