LE-03MB - User manual
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9.1.1. How to initialize a meter which you don’t know the address
Master to Slave:
10 40 FE 3E 16
Slave to Master:
E5 (success)
9.1.2. Remove the secondary address matching symbol of all the meters on Bus
Master to Slave:
10 40 FD 3D 16
Slave:
No answer
9.1.3. How to initialize all meters on the bus line by using FF as broadcast address
Master to Slave:
10 40 FF 3F 16
Slave:
No answer
9.1.4. How to initialize a Slave with specific address
Example:
address 01
Master to Slave:
10 40 01 41 16
Slave to Master:
E5
9.2. How to set baud rate
9.2.1. Point to point baud-rate setting command format (Control frame)
Start
L field
L field
Start
C field
A field
CI field
Check sum
Stop
68H
03
03
68H
53/73
FE
B8-BD
CS
16
L field -
Byte length
C field -
Control field, function field
A field -
Address field
CI field -
Control information field
Check sum -
The Check sum is calculated from the arithmetical sum of the data mentioned above,
without taking carry digits into account.
B8-------300
B9-------600
BA-------1200
BB-------2400
BC-------4800
BD-------9600
Example:
(Meter address is 01)
(1) How to change baud rate to 2400 bps.
Master to Slave:
68 03 03 68 53
01
BB 0F 16
Slave to Master:
E5
(2) How to change baud rate to 9600 bps.
Master to Slave:
68 03 03 68 53
01
BD 11 16
Slave to Master:
E5