Emerson Network Router User Manual page 23

Installation and Setup
Figure 2-10 Modbus/RS-485 connection to RS-485 terminals on standard core processor
Core processor
RS-485/A
Notes:
• Ensure that no other Modbus master devices are currently active on the network.
• Before using ProLink II to communicate with the core processor, disconnect any wiring to a remote PLC.
Figure 2-11 Modbus/RS-485 connection to RS-485 terminals on enhanced core processor
Core processor
RS-485/A
Notes:
• Ensure that no other Modbus master devices are currently active on the network.
• Before using ProLink II to communicate with the core processor, disconnect any wiring to a remote PLC.
Installation and Use Manual
RS-485/B
RS-485/B
Attach serial port or USB
adapter if necessary
RS-485 to RS-232
signal converter
Attach serial port or USB
adapter if necessary
RS-485 to RS-232
signal converter
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