Sinee EM500 - Page 394

EM500 Open-Loop Vector Control Inverter User Manual
394
Function Code
1 byte
0x03
Initial Address
2 bytes
0x0000 - 0xFFFF
Number of Registers
2 bytes
1 - 16
 Response PDU
Function Code
1 byte
0x03
Number of Bytes
1 byte
2×N*
Register Value
N*×2 bytes
N*=Number of Registers

Incorrect PDU
Error Code
1 byte
0x83
Exceptional Code
1 byte
01, 02, 03 or 04
The following is an example of requesting to read registers F19.00 - F19.05
(relevant information about the last fault)
Request
Response
Field Name
(0x)
Field Name (normal)
(0x)
Field Name
(abnormal)
(0x)
Function Code
03
Function Code
03
Function
83
Initial Address
Hi
13
Number of Bytes
0C
Exceptional
Code
03
(Example,
the same
below)
Initial Address
Lo
00
Register Value Hi
(F19.00)
00
Number of
Registers Hi
00
Register Value Lo
(F19.00)
11
Number of
Registers Lo
06
Register Value Hi
(F19.01)
00
Register Value Lo
(F19.01)
00
Register Value Hi
(F19.02)
00
Register Value Lo
(F19.02)
00
Register Value Hi
(F19.03)
01