F&F LE-03MB - How to Initialize a Meter Which You Dont Know the Address; Remove the Secondary Address Matching Symbol of All the Meters on Bus; How to Initialize All Meters on the Bus Line by Using FF as Broadcast Address; How to Initialize a Slave with Specific Address

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