2
SYSTEM CONFIGURATION
2.2 Network Configuration
2 - 4
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
MODBUS(R) STANDARD
FUNCTIONS
5
FUNCTION
6
PRE-OPERATIONAL
PROCEDURES AND
SETTINGS
7
PARAMETER SETTING
8
UTILITY PACKAGE
(GX Configurator-MB)
2.2 Network Configuration
The following shows MODBUS network configuration examples using the QJ71MB91.
Table2.4 Network configuration using QJ71MB91
QJ71MB91
System Configuration Reference
Master/Slave Line Used
Master
RS-232
1:1
This section (1) (a)
RS-422/485 This section (1) (b)
RS-232, RS-422/485 This section (1) (c)
RS-485 1:n This section (1) (d)
Slave
RS-232
1:1
This section (2) (a)
RS-422/485 This section (2) (b)
RS-232, RS-422/485 This section (2) (c)
RS-485 1:n This section (2) (d)
RS-232, RS-485
(with link operation
function)
1:n This section (2) (e)
Master/Slave
RS-232 (Master),
RS-485 (Slave)
1:n
This section (3) (a)
RS-232 (Slave)
RS-485 (Master)
This section (3) (b)