Mitsubishi QJ71MB91 User Manual

APPENDICES
Appendix 2 A Series Modules
Appendix 2.3 Utilization of existing programs
App - 5
9
PROGRAMMING
10
DEDICATED INSTRUCTIONS
11
TROUBLESHOOTING
APPENDICES
INDEX
(1) Switch setting
The mode, station No. and transmission specifications are set in the intelligent
function module switch setting of GX Developer on the QJ71MB91 while they are set
with switches on A Series modules.( Section 6.6)
(2) I/O signals
There is no compatibility in I/O signal assignment between the QJ71MB91 and A
Series modules.
Create a new sequence program.
: Compatible : Partially changed : Incompatible
: Compatible : Partially changed : Incompatible
* 1 Because the QJ71MB91 has the MODBUS device assignment parameter setting, normally
completed (X8) and MODBUS device assignment parameter setting existence (XA) in addition
to the signals provided for A Series modules, the MODBUS device assignment parameter
setting procedure is partially different.
For the MODBUS device assignment parameter setting, refer to the following:
Section 9.1.2
TableApp.5 Comparisons of I/O signals
Input signal
Signal name
Compatibility Precautions for replacement
AJ71UC24-S2, A1SJ71UC24-R2-S2,
A1SJ71UC24-R4-S2
X0 Error occurrence on CH1 side X1B is used on the QJ71MB91.
X1 Error occurrence on CH2 side X1C is used on the QJ71MB91.
X2 to X6 Use prohibited
-
X7 Module ready X0 is used on the QJ71MB91.
X8
MODBUS device assignment parameter setting,
error completed
X9 is used on the QJ71MB91.
*1
X9 to XC Use prohibited
-
XD Watch dog timer error (WDT error) X1F is used on the QJ71MB91.
XE to X1F Use prohibited
-
TableApp.6 Comparisons of output signals
Output signal
Signal name
Compatibility Precautions for replacement
AJ71UC24-S2, A1SJ71UC24-R2-S2,
A1SJ71UC24-R4-S2
Y0 to YF Use prohibited
-
Y10 CH1 side communication error cancel request Y1B is used on the QJ71MB91.
Y11 CH2 side communication error cancel request Y1C is used on the QJ71MB91.
Y12 to Y16 Use prohibited
-
Y17
MODBUS device assignment parameter setting
request
Y8 is used on the QJ71MB91.
*1
Y18 to Y1F Use prohibited
-

Mitsubishi QJ71MB91 Specifications

General

Brand	Mitsubishi
Model	QJ71MB91
Category	Controller
Language	English