Mitsubishi QJ71MB91 - Page 297

10
DEDICATED INSTRUCTIONS
10.3 Z(P).MBREQ
10 - 24
9
PROGRAMMING
10
DEDICATED INSTRUCTIONS
11
TROUBLESHOOTINGAPPENDICESINDEX
<Error completion>
* 1 For details on exception codes, refer to the following:
Section 11.4.2
(c) Sequence program
In this program example, the I/O signals of QJ71MB91 are X/Y00 to X/Y1F.
* 1 D301.7 is the most significant bit of the function code to be stored in the response message.
The most significant bit of the function code turns ON at the time of error completion.
Figure 10.15 MBREQ instruction program example
Figure 10.14 Response message format to be received (Error completion)
Data
Address field Function code
Function code
Host station No.
Exception
code*1
Reception order
01H 96H
2 bytes
Request message
Normal completion
(M0: ON, M1: OFF)
Error completion
(M0: ON, M1: ON)
Fixed to "0"
Completion status is
cleared to "0".
Fixed to "0"
Target channel is specified.
Fixed to "0"
Target station No.
(station No. 1)
Fixed to "0"
Response monitoring timer
value (5s)
Request message size
Execution of dedicated
instruction
Processing for normal completion/error response
Processing for error completion
Processing for normal completion/response
*1
*1
Instruction
completion
Dedicated
instruction
start
command
Module
READY
Intelligent
function
module
switch
setting
change
status