Emerson Rosemount 5300 Series - Page 154

7. 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.
Table 5-12: Alarm Output Text Strings
Protocol String Alarm output
Modbus RTU 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 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 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
Configuration Reference Manual
April 2019 00809-0100-4530
154 Rosemount 5300 Level Transmitter