55
AcuDC 200 Series
responding to the last 2 bits of the data. Relay1: bit0 Relay2: bit1
Addr
Fun
Byte count
Data
CRC16 HI
CRC16 LO
11H
01H
01H
02H
D4H
89H
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)
2. Read Status of DI (Function Code 02)
Query
1=On 0=Off
There are 4 DIs in the meter. The address of each DI is DI1=0000H, DI2=0001H,
DI3=0002H and DI4=0003H. The following query is to read the 4 DI status of the
meter with communication address 17.
Table 4.5 Relay status responds
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