Program Examples For Use In Melsecnet/H Remote I/O Network; Automatic Communication Parameters - Mitsubishi QJ71MB91 User Manual

9
PROGRAMMING
9.3 Program Examples for Use in MELSECNET/H Remote I/O
Network

9.3.1 Automatic communication parameters

(1) System configuration
GX Developer
Remark
9
- 25

9.3 Program Examples for Use in MELSECNET/H Remote I/O Network

9.3.1 Automatic communication parameters
This section provides a program example for setting the automatic communication
parameters to the QJ71MB91 on a MELSECNET/H remote I/O station in the following
system configuration.
MELSECNET/H remote master station*1
MELSECNET/H (remote I/O network)
Setting target
QJ71MB91*2
(master function)
Figure 9.25 System configuration example for the automatic communication parameter setting
* 1 The MELSECNET/H remote master station is installed in slot 0 of the base unit with the start I/O
No. set as "00 ".
H
* 2 The QJ71MB91 is to be mounted in slot 0 of the base unit with the head I/O No. set to "40
For details on construction and parameter setting of the MELSECNET/H remote I/
O network, refer to the following manual.
Q Corresponding MELSECNET/H Network System Reference Manual
(Remote I/O network)
MELSECNET/H
MODBUS slave device
remote I/O station
(station No.1)
(station No.1)
QJ71MB91
RUN ERR.
NEU. NEU.
CH1 SD SD CH2
RD RD
CH1
RS-232
SDA
1
SG
2
SDB 3
(FG)
4
RDA
5
(FG)
6
RDB
7
CH2
RS-422
/485
CH2
R
MODBUS slave device
(station No.2)
RS-485
R
".
H