Mitsubishi QJ71MT91 User Manual page 170

9 PROGRAMMING
9 - 8
(3) Timing charts for MODBUS
(a) When setting is completed normally
Parameter creation
ON
OFF
Module READY
X0
OFF
Basic parameter
X3
setting existence
R
MODBUS device
OFF
assignment
Y8
parameter setting
request
R
MODBUS device
OFF
assignment
X8
parameter setting,
normally completed
R
MODBUS device
OFF
assignment
X9
parameter setting,
error completed
R
MODBUS device
OFF
assignment
XA
parameter setting
existence
R
MODBUS device
assignment
0C13
H
parameter error code
storage area
R
MODBUS device
assignment
0C14 to 0C15
H
parameter setting
result storage area
®
device assignment parameter setting
assignment parameter
R
MODBUS device
assignment
parameter
creation
ON
ON
Error code
and setting
result clear
H
R
MODBUS device
setting, normally
completed
ON
ON
Executed by QJ71MT91
Executed by sequence program
MELSEC-Q
9 - 8