Mitsubishi Electric QJ71MB91 User Manual page 188

7
PARAMETER SETTING
7
- 27 7.3 MODBUS Device Assignment Parameter
7.3.4 Specifying the error status read device
(a) Device code
Set programmable controller CPU devices and QJ71MB91 buffer memory to be
assigned to the MODBUS devices.
The device codes usable for the error status read devices are indicated below.
Table7.11 Device codes usable for error status read devices
Classification
Internal system device
Internal user device
Direct device
QJ71MB91 buffer memory
* 1 When the access target is the MELSECNET/H remote I/O station to which the QJ71MB91 is
mounted, only this device is supported.
When a device other than the above is assigned, and if Read Exception Status (FC: 07) is sent
from the master, an error will be generated.(
* 2 Equivalent to LB of the MELSECNET/H remote I/O stations.
* 3 When setting with GX Configurator-MB, input the head device.
Device name
Special relay
Input
Output
Internal relay
Latch relay
Annunciator
Edge relay
Link relay
Coil
Timer
Contact
Coil
Retentive
timer
Contact
Coil
Counter
Contact
Special link relay
Step relay
Direct input
Direct output
Error status read buffer
memory (address: 000F )
H
Section 7.3.5)
Device code
Device symbol
*3
*1
0091
SM
*1
009C
X
*1
009D
Y
*1
0090
M
L 0092
F 0093
V 0094
*1*2
00A0
B
TC 00C0
TS 00C1
SC 00C6
SS 00C7
CC 00C3
CS 00C4
*1
00A1
SB
S 0098
DX 00A2
DY 00A3
- F000
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H