AccuEnergy Accuvim II, User Manual

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Ethernet Modual
Fun Byte count Data
01H 01H 02H
The content of the data is,
7 6 5 4 3 2 1 0
0 0 0 0 0 0 1 0
MSB LSB
（
Relay 1 = OFF , Relay 2=ON
）
Table 3-6 Read 2 Relays Status Response Message
2) Read Status of DI (Function Code 02)
Function Code 02
1=On 0=Off
There are 38 DIs in Acuvim II, and the start address is 0000H.
The following query is to read the 4 DIs Status of address 1 of Acuvim II.
Query
Transaction
identifier hi
Transaction
identifier lo
Protocol
identifier hi
Protocol
identifier lo
Length hi Length lo
Unit
identifier
00H 00H 00H 00H 00H 06H 01H
Fun Data start reg hi Data start reg lo Data #of regs hi Data #of regs lo
02H 00H 00H 00H 04H
Table 3-7 Read 4 DIs Query Message
Response
The response includes MBAP Header, function code, quantity of data