Emerson Wireless 1410 Gateway Reference Manual page 32

Operation and Maintenance
September 2020
Figure 5-1: Ethernet Architecture
B
A
B
C
D
E
RS485 (serial)
An RS485 connection supports Modbus RTU protocol. Using this connection type, the
Gateway is wired to an RS485 bus which typically leads to a serial I/O card or Modbus I/O
card (see
manner.
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C
D
Engineering station
Primary control network
Secondary control network
Controller and I/O
Smart Wireless Gateway
Figure 5-2). Up to 31 Gateways can be connected to a single I/O card in this
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Reference Manual
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