Configure Modbus/Rs-485 Communications - Emerson Micro Motion 2700 Configuration And Use Manual

Integrate the meter with the control system
6.6.3

Configure Modbus/RS-485 communications

Display
ProLink II
ProLink III
Field Communicator Configure > Manual Setup > Inputs/Outputs > Communications > Set Up RS-485 Port
Overview
Modbus/RS-485 communications parameters control Modbus communication with the
transmitter's RS-485 terminals.
Modbus/RS-485 communications parameters include:
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Restriction
To configure Floating-Point Byte Order or Additional Communications Response Delay, you must use ProLink II.
Procedure
1.
2.
3.
130
OFF-LINE MAINT > OFF-LINE CONFG > COMM
ProLink > Configuration > Device > Digital Comm Settings
Device Tools > Configuration > Communications > RS-485 Terminals
Disable Modbus ASCII
Protocol
Modbus Address (Slave Address)
Parity, Stop Bits, and Baud Rate
Floating-Point Byte Order
Additional Communications Response Delay
Set Disable Modbus ASCII as desired.
Support for Modbus ASCII limits the set of addresses that are available for the
transmitter's Modbus address.
Modbus ASCII support
Disabled
Enabled
Set Protocol to match the protocol used by your Modbus/RS-485 host.
Options
Modbus RTU (default)
Modbus ASCII
If support for Modbus ASCII is disabled, you must use Modbus RTU.
Set Modbus Address to a unique value on the network.
Available Modbus addresses
1–127, excluding 111 (111 is reserved to the service port)
1–15, 32–47, 64–79, and 96–110
Description
8–bit communications
7–bit communications
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Micro Motion Model 2700 Transmitters with Analog Outputs