Emerson 5300 사용자 설명서
Manual Supplement
00809-0500-4530, Rev AA
October 2010
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:
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.
changing the configuration data by mistake.
A44: A indicates that the following number is the new address (address 44).
Leading zeroes are not needed.
Leading zeroes are not needed.
B4800: B indicates that the following number is the new baud rate (1200,
2400, 4800, 9600, 19200).
2400, 4800, 9600, 19200).
PO: P identifies the following letter as parity type (O = odd, E = even, and
N = none).
N = none).
S2: S indicates that the following figure is the number of stop bits (1 = one,
2 = two).
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:
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
Communication Setup
The default and configurable parameter values can be found in Table 1-6.
Table 1-6. Levelmaster
Communication Parameters
Communication Parameters
To reset the communication parameters to default Levelmaster settings, use
the following Modbus Message:
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