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Manual Supplement
00809-0500-4530, Rev AA
October 2010
1-23
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
Levelmaster
Modbus ASCII
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.
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
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
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