EV/DV300 Series Power Meter
V:2.0 Revised October 2018
Table 4.10 Control Relay query message
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
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.
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