Mitsubishi Electric QJ71MB91 User Manual page 26

2
SYSTEM CONFIGURATION
(1) Using the QJ71MB91 as a master station
2
- 4 2.2 Network Configuration
(a) Connecting to a slave station (1:1) with a RS-232 line
QJ71MB91 (Master function)
Figure 2.1 Connecting to a slave station (1:1) with a RS-232 line
(b) Connecting to a slave station (1:1) with a RS-422/485 line
QJ71MB91 (Master function)
Figure 2.2 Connecting to a slave station with a RS-422/485 line
(c) Connecting to slave stations (1:1) with RS-232 and RS-422/485 lines
QJ71MB91 (Master function)
Figure 2.3 Connecting to slave stations (1:1) with RS-232 and RS-422/485 lines
(d) Connecting to slave stations (1:n)
QJ71MB91 (Master function)
Figure 2.4 Connecting to slave stations (1:n)
MODBUS slave device
RS-232
MODBUS slave device
RS-422/485
MODBUS slave device
RS-232
MODBUS slave device
RS-422/485
RS-485
MODBUS MODBUS
slave device slave device
MODBUS
slave device