Eastron SDM72DM, User Manual, Page: 15 / 16

Eastron SDM72D-M User Manual V1.1
- 15 -
code 10 is used to write. Write only to one parameter per massage.
Address
Register
Parameter
Modbus
Protocol
Start Address Hex Valid range Mode
High
Byte
High
Byte
40011 System Type 00 0A
Write system type:
1 = 1P2W;
3 = 3P4W,(default);
Length : 4 byte
Data Format : Float
(KPPA is asked)
r/w
40013 Pulse width 00 OC
Range
：
60, 100, 200
，
unit: ms
，
default 100.
Note
：
If pulse output =1000imp/kWh
，
then pulse width is fixed at 35ms
，
and
cannot be adjusted.
Length : 4 byte
Data Format : Float
r/w
40015
Key Parameter
Programming
Authorization (KPPA)
00 0E
Read: to get the status of the KPPA
0 = not authorized
；
1 = authorized
Write the correct password to get KPPA, enable to program key parameters.
Length : 4 byte
Data Format : Float
r/w
40019 Parity and stop bit 00 12
Write the network port parity/stop bits for MODBUS Protocol, where: 0 =
One stop bit and no parity, default. 1 = One stop bit and even parity. 2 = One
stop bit and odd parity.3 = Two stop bits and no parity.
Length : 4 byte
Data Format : Float
r/w
40021 Modbus address 00 14
Write the network port node
Address: 1 to 247 for MODBUS Protocol, default 1.
Length : 4 byte
Data Format : Float
r/w
40023 Pulse constant 00 16
Option: 0~3
，默认
0
0 : 1000 imp/kWh
1 : 100 imp/kWh
2
：
10 imp/kWh
3
：
1 imp/kWh
Note: If pulse output =1000imp/kWh
，
then pulse width is fixed at 35ms
，
and
cannot be adjusted.
Length : 4 byte
Data Format : Float
r/w
40025 Password 00 18
Read: to get the password of the meter
Write: to program the new password of the meter
Default 1000
r/w
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