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Factory setting: DL/T 645-2007 protocol, Parity(E.1), Baud Rate(9600bps),Meter Address see
lable.
The RS485 communication supports DLT 645-2007 protocol or ModBus_RTU protocol, DLT
645-2007 supports read Meter Address, (current) total import active energy, (current) export active
energy, (current)quadrants Ⅰ reactive energy, (current)quadrants Ⅱ reactive energy,
(current)quadrants Ⅲ reactive energy, (current)quadrants Ⅳ reactive energy, voltage, current, active
power, reactive power, power factor,frequency.
ModBus_RTU protocol, Parity(n.2), Baud Rate(9600bps),Meter Address see lable.
Table 3 ModBus Register Address
Parameter
address
Parameter
code
Instruction of the
parameters
Type of data
Length
of data
Word
Read&write
attributes
Keyboard parameters（detailed function see the instruction of the programming parameters，the actual value
of the parameter with(*)＝ communication parameter value × 0.1）
0000H REV. version
signed int
1 R/W
0001H UCode
Programming password
codE
signed int 1 R/W
0002H ClrE
Electric energy zero
clearing CLr.E(1:zero
clearing)
signed int 1 R/W
0003H net
Selecting of the
connection mode
net(0:3P4W,13P3W)
signed int 1 R/W
0004H RESERVED reserved signed int 1 R/W
0005H RESERVED reserved signed int 1 R/W
0006H IrAt
Current Transformer
Ratio
signed int 1 R/W
0007H UrAt
Ratio(*)
signed int 1 R/W
000BH Meter type Meter type signed int 1 R
002CH Protocol Protocol changing-over signed int 1 R/W
002DH Addr
Communication address
Addr
signed int 1 R/W
002EH bAud
Communication baud rate
bAud
signed int 1 R/W
002FH Second Second signed int 1 R/W
0030H Minute Minute signed int 1 R/W
0031H Hour Hour signed int 1 R/W
0032H Day Day signed int 1 R/W
0034H Year Year signed int 1 R/W
Electric quantity of the secondary side
2000H Uab
Line -line voltage, the
unit is V(It is invalid for 3
Floating Inverse(AB CD) 2 R
2002H Ubc Floating Inverse(AB CD) 2 R
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