AccuEnergy Accuvim II, User Manual

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Ethernet Modual
characters, the data characters.
An example response to read the status of 4 DIs (DI1=On, DI2=On, DI3=On,
DI4= On) is shown as Table 3-8. The status of each is responding to the
last 4 bit of the data.
DI1: bit0 DI2: bit1 DI3: bit2 DI4: bit3
Transaction
identifier hi
Transaction
identifier lo
Protocol
identifier hi
Protocol
identifier lo
Length hi Length lo
Unit
identifier
00H 00H 00H 00H 00H 04H 01H
Fun Byte count Data
02H 01H 0FH
The content of the data is,
7 6 5 4 3 2 1 0
0 0 0 0 1 1 1 1
MSB LSB
Table 3-8 Read 4 DIs Response Message
3) Read Data (Function Code 03)
Query
This function allows the users to obtain the measurement results of
Acuvim II.
Table 3-9 is an example to read the 6 measured data (Time) from server
device address 1, the data start address is 1040H.
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