Emerson 5300, 5400 specifications Modbus RTU, Levelmaster, Modbus Ascii

Manual Supplement

00809-0500-4530, Rev AA October 2010

Rosemount 5300/5400 Series

3.Select the Communication tab.

4.Click the Modbus Setup button.

5.Enter the Modbus string, and click OK.

See below for available Alarm Output Modbus strings.

Modbus RTU

String	Alarm Output
HMC EN	Not a number (NaN), default
HMC EF	Freeze, hold last value
HMC EU U-0.1	User defined value, -0.1 in this example

Levelmaster

String		Alarm Output
HMC M2 EH		High value, 999.99, default
HMC M2	EL	Low value, -99.99
HMC M2	EF	Freeze, hold last value
HMC M2	EU U0	User defined value (range -99.99 to 999.99),
		0 in this example

Modbus ASCII

String		Alarm Output
HMC M1	EN	Not a number (NaN), default
HMC M1	EF	Freeze, hold last value
HMC M1	EU U-0.1	User defined value (range -99.99 to 999.99),
		-0.1 in this example

NOTE

After changing the Alarm Output configuration, disconnect the HART modem and wait up to 60 seconds for the change to take effect.

In case the MA/MB terminals are used for connection to the HMC, disconnect the RS-485 Converter, cycle power to the transmitter, and wait up to 60 seconds for the change to take effect.

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