F&F LE-03MB - Read out of Instantaneous Electrical Information; How to Read Instantaneous Electrical Information by Using Primary Address; How to Use Secondary Address to Read out the Instantaneous Electrical Information

LE-03MB - User manual
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9.6. Read out of instantaneous electrical information
The instantaneous electrical information includes:
V, I, P, Q, S, PF, Hz ect. MD
9.6.1. How to read instantaneous electrical information by using primary address
Start
L field
L field
Start
C field
A field
CI field
Check sum
Stop
68H
3
3
68
53/73
XX
B1
CS
16
Master to Slave: 68 03 03 68 53 XX B1 05 16
Slave to Master: Variable data structure (instantaneous electrical information)
If the primary address is 01, then XX=01
9.6.2. How to use secondary address to read out the instantaneous electrical information
Step 1
Initialization Slave
Master to Slave: 10 40 FF 3F 16
Slave to Master: No answer
Step 2
Check the secondary address. After receiving the command, the slave will check if the secondary address in
the command is same with its secondary address or not.
Master to Slave: 68 0B 0B 68 73 FD 52 78 56 34 12 FF FF FF FF D2 16
Slave to Master: E5
Step 3
Use Secondary Address to read out the instantaneous electrical information
Master to Slave: 68 03 03 68 53 FD B1 01 16
Slave to Master: Variable data structure