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MELSEC-Q
9 PROGRAMMING
(3) Devices used in program
Device Name
Device
Application
X0 Module
READY
X1
Basic parameter setting, normally completed
X2
Basic parameter setting, error completed
X3
Basic parameter setting existence
X4
Automatic communication parameter setting, normally completed
X5
Automatic communication parameter setting, error completed
X6
Automatic communication operation status
X8 MODBUS
R
device assignment parameter setting, normally completed
Input
X9 MODBUS
R
device assignment parameter setting, error completed
Y1
Basic parameter setting request
Y4
Automatic communication parameter setting request/automatic
communication start request
QJ71MT91
input/output
Output
Y8 MODBUS
R
device assignment parameter setting request
External input (command)
X20
Parameter setting command
Y40
Automatic communication parameter 1 communication error
External output
Y41
Automatic communication parameter 2 communication error
D4000 to D4003 Automatic communication operation status storage area (parameter 1 to 64)
D4008 to D4071 Automatic communication error code storage area (parameter 1 to 64)
D4092 to D4095
Automatic communication operation status storage
area (parameter 1 to 64)
D4096 to D4159
Automatic communication function buffer input area
D5000 to D5099
For auto refresh
Automatic communication function buffer output area
D9001
Basic parameter error code acquisition
D9002
Automatic communication parameter error code acquisition
D9003
Automatic communication parameter setting result acquisition
D9004 MODBUS
R
device assignment parameter error code acquisition
D9005
Error, device type
D9006
MODBUS
R
device
assignment
parameter setting
result acquisition
Error, assigned group No.
D9100
Automatic communication parameter 1
Data register
D9101
Automatic
communication error
code
Automatic communication parameter 2
M1
For automatic communication parameter setting command
M2 For
MODBUS
R
device assignment parameter setting command
M401
For automatic communication parameter 1
Internal relay
M402
Automatic
communication
normal
For automatic communication parameter 2
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