Communication Using I/O Signals
53
ZG2-DSU User’s Manual
5
COMMUN
ICATION WITH
EXTE
R
NAL
DEVICES
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
Description
Judgment output
HIGH
Turns ON when the measurement value of the specified
task is greater than the HIGH threshold.
PASS
Turns ON when LOW threshold
≤
measurement value
≤
HIGH threshold.
LOW
Turns ON when the measurement value of the specified
task is smaller than the LOW threshold.
ERROR
Turns when specified task ends in a measurement error.
Control output
BUSY
Turns ON while the Data Storage Unit is executing
processing. New operation instructions cannot be
accepted while the BUSY signal is ON.
Brown
Blue
Red
Green
Black
Pink
Gray
Yellow
Light blue
Purple
White
Orange
Power supply (24 V)
GND (0 V)
HIGH
PASS
LOW
ERROR
BUSY
TRIG
3 input terminals
5 output terminals
Unused
START
STOP
Unused
Summary of Contents for 257553
Page 1: ...User s Manual Cat No Z289 E1 02 Smart Sensor Data Storage Unit ZG2 DSU...
Page 10: ...8 ZG2 DSU User s Manual MEMO...
Page 14: ...12 ZG2 DSU User s Manual MEMO...
Page 38: ...Loading Logging Data to an External Device 36 ZG2 DSU User s Manual MEMO...
Page 42: ...Transferring Bank Data to the Controller 40 ZG2 DSU User s Manual MEMO...
Page 52: ...Bank Functions 50 ZG2 DSU User s Manual MEMO...
Page 86: ...Updating the Firmware 84 ZG2 DSU User s Manual MEMO...
Page 89: ...6 APPENDICES INDEX 87 ZG2 DSU User s Manual MEMO...
Page 91: ......