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Modbus Communication; Supported Modbus Function Codes - Delta DPM-D510 User Manual

Din-rail power meter

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- phase delivered
15D
40350
15E
40351
Active energy of three
- phase received
(Supported by
15F
40352
firmware version 1.02
and after)
160
40353
Reactive energy of
three - phase
161
40354
delivered
162
40355
Reactive energy of
three - phase
received
(Supported by
163
40356
firmware version 1.02
and after)
164
40357
Apparent energy of
three - phase
165
40358
delivered
166
40359
Apparent energy of
three - phase
received
(Supported by
167
40360
firmware version 1.02
and after)

5.2 Modbus Communication

5.2.1

Supported Modbus Function Codes

Function
Modbus Name
Code
0x03
Read Holding Registers
0x06
Preset Single Registers
Read Data Log
0xFE
When the protocol is Modbus RTU, the maximum address to be gathered with a single Modbus block read is 50
for function code 0x3, and the maximum address is 49 for function code 0x10. The function code 0xFE can be
used only when the protocol is Modbus RTU.
Ch ap te r 5 Para me ters a nd Func tio ns
0x00000000 – 0xFFFFFFFF
0x00000000 – 0xFFFFFFFF
0x00000000 – 0xFFFFFFFF
0x00000000 – 0xFFFFFFFF
0x00000000 – 0xFFFFFFFF
Read the contents of read location
Preset the contents of written location
Read the contents of data log
unit
kWh
4
R
unit
kVARh
4
R
unit
kVARh
4
R
unit
kVAh
4
R
unit
kVAh
4
R
Description
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