Mitsubishi Electric QJ71MB91 User Manual page 286

10
DEDICATED INSTRUCTIONS
Dedicated Module
Intelligent
instruction
READY
function
start
module switch
command
setting change
status
Read
setting
Write
setting
10
- 12 10.2 Z(P).MBRW
A process upon normal completion
A process upon abnormal end
Figure 10.4 MBRW instruction program example
Fixed to "0"
Clear the completion status to 0.
Clear MODBUS exception code to 0.
Specify the target channel.
Fixed to "0"
Target station No. (station No. 1)
Fixed to "0"
Response monitoring timer value (30s)
Target MODBUS device type specification
(0505 : Holding register read/write)
H
Target file No.
Target MODBUS device head number
Access points (100 points)
Clear the read data storage size to 0.
Target file No.
Target MODBUS device head number
Access points (32 points)
Write data storage size (32 points)
Execute the dedicated instruction.
Instruction
completion
Normal completion (M0: ON, M1: OFF)
Error completion (M0: ON, M1: ON)