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Manual Supplement
00809-0500-4530, Rev AA
October 2010
1-17
Rosemount 5300/5400 Series
To configure the 5300/5400 transmitter to communicate with the Host in this
example, the following text string is written to the HART Slave 1 Message
Area:
HMC A44 B4800 PO S2.
HMC: These three letters are used for safety and will eliminate the risk of
changing the configuration data by mistake.
A44: A indicates that the following number is the new address (address 44).
Leading zeroes are not needed.
B4800: B indicates that the following number is the new baud rate (1200,
2400, 4800, 9600, 19200).
PO: P identifies the following letter as parity type (O = odd, E = even, and
N = none).
S2: S indicates that the following figure is the number of stop bits (1 = one,
2 = two).
Only values that differ from the current values need to be included. For
example, if only the address is changed, the following text string is written into
the 5300/5400 (HART Slave 1) Message Area:
HMC A127,
indicates that 127 is the new address.
Levelmaster
Communication Setup
The default and configurable parameter values can be found in Table 1-6.
Table 1-6. Levelmaster
Communication Parameters
To reset the communication parameters to default Levelmaster settings, use
the following Modbus Message:
HMC M2
Parameter Default value Configurable value
Baud Rate 9600 1200, 2400, 4800, 9600, 19200
Start Bits One One
Data Bits Seven Seven, Eight
Parity None None, Odd, Even
Stop Bits One One or Two
Address 1 1-99