Sinee EM500 - 30 X42 Write Multiple Registers or Commands (Not to Save)

EM500 Open-Loop Vector Control Inverter User Manual
396
Error Code
1 byte
0xC1
Exceptional Code
1 byte
See Table 12–4
The following is an example of a request for changing the main frequency source A
(7001H) to “-50.00%”.:
Request
Response
Field Name
(0x)
Field Name
(normal)
(0x)
Field Name
(abnormal)
(0x)
Function
41
Function
41
Function
C1
Register Address
Hi
70
Register
Address Hi
70
Exceptional
Code
03
Register Address
Lo
01
Register
Address Lo
01
Register Value Hi
EC
Register Value
Hi
EC
Register Value Lo
78
Register Value
Lo
78
★
The function code cannot be used to change the parameters of “○” property
(unavailable to be modified during inverter running), i.e., user may only operate the
parameters of “●” properly (available to be modified during inverter running). If user
tries to modify the “○” property, an error code 1 will be returned.
12.3.3.30x42Write multiple registers or commands (not to save)
This function code is used to write continuous non-holding register blocks (1 to 16
registers) in a remote device.
The value requested for writing is described in the request data field. Each register
divides the data into two bytes.
Normal response shall return function, initial address and number of registers
written.

Request PDU
Function Code
1 byte
0x42
Initial Address
2 bytes
0x0000 - 0xFFFF
Number of Registers
2 bytes
1 - 16