KW1M-H Eco-POWER METER
67
<3> Reset integrated electric power (0064H, 0065H:2-word) of address 1
(When setting to 0 [0000, 0000H])
・
Command
3.5 idle
characters
Slave
address
(01H)
Function
code
(10H)
Data item
(0064H)
Number of
data item to
write
(0002H)
Number of
data
(04H)
⇒
1
1
2
2
1
←
character
number
⇒
Data 1
(0000H)
Data 2
(0000H)
Error check
CRC-16
(F474H)
3.5 idle
characters
2
2
2
←
character
number
・
Response message from slave in normal status
3.5 idle
characters
Slave
address
(01H)
Function
code
(10H)
Data item
(0064H)
Number of
data item to
write
(0002H)
Error check
CRC-16
(0017H)
3.5 idle
characters
1
1
2
2
2
←
character
number
・
A response message from the slave in exception (error) status
(When number of data has been mistaken.)
Function code MSB is set to 1 for the response message in exception (error) status (90H).
The exception code 03H (Value out of the devise numbers) is returned as contents of error.
<Mistaken message example (Command)>
3.5 idle
characters
Slave
address
(01H)
Function
code
(10H)
Number of
data item to
write
(0002H)
Number of
data
(06H)
⇒
↑
Mistake
⇒
Data 1
(0000H)
Data 2
(0000H)
Error check
CRC-16
(8F8E)
3.5 idle
characters
<Response message from slave to mistaken command
(Response message in exception (error) status)>
3.5 idle
characters
Slave
address
(01H)
Function
code
(90H)
Exception code
(03H)
Error check
CRC-16
(0C01H)
3.5 idle
characters