Rs485 Modbus Register - B+G E-Tech SDM72D-M Montage- Und Gebrauchsanleitung

RS485 Modbus Register

Diese Aufstellung betrifft nur die Input- Register, eine genau Anleitung sowie
Funktionsweise der RS485 Schnittstelle entnehmen Sie bitte auf der
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Input registers are used to indicate the present values of the measured and
calculated electrical quantities. Each parameter is held in two consecutive 16
big register. The following table details the 3X register address, and the values
of the the address bytes within the message. A (*) in the column indicated the
parameter is valid for the particular wiring system, Any parameter with a cross
(X) will return the value zero. Each parameter is held in the 3X registers.
Modbus Protocol function code
Each request for data must be restricted to 30 parameters or less. Exceeding
the 30 parameter limit will cause a Modbus Protocol exception code to be
returned.
Address
(Register
)
Description
30053 Total system power.
30073 Import Wh since last reset .
30075 Export Wh since last reset .
30343 Total kwh
30385 Settable total kWh
30389 Settable import kWh
30391 Settable export kWh
31281 Import power
31283 Export power
04 is used to access all parameters.
Input Register Parameter
Length
(bytes)
4
4
4
4
4
4
4
4
4
Modbus
Protocol Start
Address Hex
Data Hi
Units
Format Byte
Float W 00
Float kWh 00
Float kWH 00
Float kWh 01
Float kWh 01
Float kWh 01
Float kWh 01
Float W 05
Float W 05
Lo
Byte
34
48
4A
56
80
84
86
00
02
35