AccuEnergy DV300 Series, Руководство пользователя

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EV/DV300 Series Power Meter
V:2.0 Revised October 2018
44
Table 4.10 Control Relay query message
Addr Fun
DO addr
hi
DO addr
lo
Value hi Value lo
CRC16
hi
CRC16
lo
11H 05H 00H 00H FFH 00H 8EH AAH
Response
The normal response to the request is to retransmit back the message received after the
Relay status has been altered.
Table 4.11 Response of control Relay query
Addr Fun
DO addr
hi
DO addr
lo
Value hi Value lo
CRC16
hi
CRC16
lo
11H 05H 00H 00H FFH 00H 8EH AAH
5. Pre-set Multi-register (function code 05)
Query
Function code 16 can be used to modify the contents of multi-register. Any meter parameter
or energy data can be pre-set into its register.
Table 4.11 Example pre-setting energy data of slave device to 17807783.3kWh. As real energy
data = energy data in registerX0.1kWh, the data preset into the register is 178077833. Its Hex
value is 0A9D4089H. The register address is 010CH and 010DH, total 4 bytes.