Mitsubishi QJ71MB91, User Manual

Page: 355 / 372

APPENDICES
Appendix 2 A Series Modules
Appendix 2.2 Functional comparisons
App
- 3
9
P
R
OGRAM
M
ING
10
D
E
DICA
TED
INSTRUC
TI
ONS
11
TR
O
U
BLE
S
HOOTING
APP
ENDICE
S
INDE
X
Appendix 2.2 Functional comparisons
: Available : Not available
* 1 MODBUS devices cannot be assigned to the buffer memory.
* 2 The following is a list of standard functions available in the slave function.
: Supported : Not supported
Table App.3 Functional comparisons
Function
AJ71UC24-S2
A1SJ71UC24-R2-S2
A1SJ71UC24-R4-S2 QJ71MB91
Master function
Automatic
communication function
Dedicated instruction
Slave function
*2
Automatic response
function
MODBUS device
assignment function
*1
Link operation function
Various settings using utility package
Computer link function
Function code
(Sub code)
Function
AJ71UC24-S2
A1SJ71UC24-R2-S2
A1SJ71UC24-R4-S2 QJ71MB91
01 Read coils
02 Read discrete inputs
03 Read holding registers
04 Read input registers
05 Write single coil
06 Write single register
07 Read exception status
08 Diagnostics
11
Get communications
event counter
12
Get communications
event log
15 Write multiple coils
16 Write multiple registers
17 Report slave ID
20(6) Read file record
21(6) Write file record
22 Mask write register
23
Read/Write multiple
registers
24 Read FIFO queue
43
Read device
identification