System Configuration Examples - M-system R3 Series Instruction Manual

SYSTEM CONFIGURATION EXAMPLES

■ WHEN GATEWAY FUNCTION IS DISABLED
With wired PC as Modbus/Master, communicates with slave devices via RS-485 using Modbus/TCP and RTU protocol.
With wireless PC as Modbus/Master, communicates with slave devices via wireless module using Modbus/TCP and RTU protocol.
LAN cable
PC
Modbus/Master
■ WHEN GATEWAY FUNCTION IS ENABLED
With PC as Modbus/Master, communicates with slave devices via wireless module using Modbus/TCP and RTU protocol.
Also, Gateway function allows to communicate with slave devices connected in multi-drop configuration with wired network,
using Modbus and RTU protocol.
LAN cable
PC
Modbus/Master
http://www.m-system.co.jp/
Modbus/Master
RS-485
ETHER NET
slave device
RS-48 5
RUN
SEND
FIELD
CNFG
Ethernet Communication Adaptor
(model: 72EM2-M4)
Modbus Interface Module
(model: R3-NMW1F)
Wireless Gateway
(model: WL40EW2F)
Modbus Interface Module
(model: R3-NMW1F)
R3-NMW1F SPECIFICATIONS
LAN cable
PC
(model: WL40EW2F)
slave device
Max. number of modules: 31
RS-485
slave device
(Gateway)
RS–485
slave device
(slave)
MODEL: R3-NMW1F
Wireless Gateway
Modbus Interface Module
(model: R3-NMW1F)
(slave)
slave device slave device
Max. number of modules: 31
slave device slave device
Max. number of modules: 31
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