Mitsubishi QJ71MB91 User Manual

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7.3 MODBUS(R) Device Assignment Parameter
7.3.1 MODBUS(R) device assignment to the programmable controller CPU device memory
7
PARAMETER SETTING
* 1 The assignment to the extended file register is fixed to the file register (ZR).
( Section 7.3.2)
* 2 Refer to the following for the assignment to the QJ71MB91 buffer memory.
Section 7.3.3
* 3 When the access target is the MELSECNET/H remote I/O station to which the QJ71MB91 is
mounted, only this device is supported.
An error will occur if an access request is received from the master with any other device
assigned.( Section 7.3.5)
* 4 Equivalent to LB and LW of the MELSECNET/H remote I/O stations.
* 5 When setting with GX Configurator-MB, input the head device.
* 6 The extended data register D65536 and higher area and extended link register W10000 and higher
area cannot be allocated as input register or holding register.
Use file register (ZR) specification instead.
For file register (ZR) specification of extended data register or extended link register, refer to the
following manual.
User's Manual (Function Explanation, Program Fundamentals) for the CPU module used
Use Read file record (FC: 20) or Write file record (FC: 21) in the above case.
Table7.7 Device code list (Continued)
Classification Device name
Device
symbol
Device
Code
*5
MODBUS Device
Coil Input
Input
Register
Holding
Register
Extension
File
Register
Internal user device
Counter
Coil CC 00C3
H
Contact CS 00C4
H
Current value CN 00C5
H
Special link relay
SB
*3
00A1
H
Special link register
SW
*3
00B5
H
Step relay S 0098
H
Direct device
Direct input DX 00A2
H
Direct output DY 00A3
H
Index register Index register Z 00CC
H
File register File register
R 00AF
H
ZR
*1
00B0
H
QJ71MB91 buffer
memory
*2*3
User free area - F000
H

Mitsubishi QJ71MB91 Specifications

General

Brand	Mitsubishi
Model	QJ71MB91
Category	Controller
Language	English