11
PORT
Port ID
INT
Wireless data
upload interval
Unit:minute
3
IN
Input
settings
PT
Voltage ratio
setting
1-9999
CT
Current ratio
setting
1-9999
4
OUT
Output
selection
0-LEVEL
1-PULSE
Relay control
mode
0:Level output
1:Pulse output
8
Communication protocol requirements
Instrument communication interface support,The baud rate of communication port can be set
between 1200BPS, 2400bps, 4800bps, 9600bps, 19200bps and 38400bps,The check bit can be set
to no check or even check.
8.1 MODBUS protocol communication address table
DDSY1352 communication address table
Address
Variable
Data type
R/W
Notes
0000H
Current total
electricity
UINT32
R
Calculation factor 0.01
Unit kWh
0002H
Current spike electric
energy
UINT32
R
0004H
Current peak electric
energy
UINT32
R
0006H
Current flat electric
energy
UINT32
R
0008H
Current valley electric
energy
UINT32
R
000AH
code
UINT16
R/W
Effective range
（
0~9999
）
000BH
U Voltage
UINT16
R
Calculation factor 0.1
，
unit
：
V
000CH
I current
UINT16
R
Calculation factor 0.01
，
unit:A
000DH
P Active power
INT16
R
Calculation factor 0.001
，
Unit:kW
000FH
S Apparent power
UINT16
R
Calculation factor 0.001
，
unit: kVA
0010H
PF Ppower factor
INT16
R
Calculation factor 0.001
Effective range
（
-1000~1000
）
