15
EASTRON SDM320Y User Manual
06-2018 V1.0
2018 EASTRON Electronic. All Rights Reserved. www.eastron.com.cn
Chapter Four. Communication Introduction
4.1 Input Register, Function Code (Hex) : 04
Register
Serial
Number
Enter Register Parameters
Register start address
Hex
Parameter Definition
Data length
(bytes)
Data
Format
Unit
High
Byte
Low Byte
30343
Total Active Power
4
Float
kWh
01
56
33841
Accumulated Used Electricity
4
Float
kWh
0F
00
33851
Balance of the meter
4
Float
$
0F
0A
33853
The sum of the accumulated recharge of
the meter
4
Float
$
0F
0C
33855
Last time recharge amount of the meter
4
Float
$
0F
0E
33857
Accumulated Used Amount
4
Float
$
0F
10
4.2 Keep Register, Function Code (Hex) : 03 /10
Register
Serial
Number
Parameter
Register start
address
（
Hex
）
The value description
Patter
n
High
Byte
Low
Byte
40013
Pulse 1 output
pulse width
00
OC
Set range
：
60, 100, 200
，
Unit:ms
，
Default:100.
Note
：
If the pulse constant of pulse 1 =1000imp/kWh
，
Then the automatic fixation is 35ms
，
can’t be set.
Data length : 4 byte
Data type : Float
Pulse
1
outpu
t pulse
width
40019
Parity bit and stop
bit
00
12
Set range
：
0~3
，
Default 0
0 Stands for 1 stop bit, no parity
；
1 Stands for 1 stop bit, even parity
；
2 Stands for 1 stop bit
，
odd parity
；
3 Stands for 2 stop bit
，
no parity.
Data length : 4 byte
Data type : Float
Parity
bit
and
stop
bit
