© Panasonic Industrial Devices SUNX Co., Ltd. 2016
37
Functions
●
Function code: 0x03
<Command>
Data
Description
Office No.
SF-C21
equipment address
Function code
0x03
Reading start address (H)
Word address to read data from
Reading start address (L)
Read number (H)
Quantity of data to be read
Read number (L)
CRC-16 (H)
Message error judgment data
CRC-16 (L)
<Response during normal operation>
Data
Description
Office No.
SF-C21
equipment address
Function code
0x03
Number of bytes of communication
data
Number of bytes of communication data
Data 1 to be read (H)
Data to be read
Data 1 to be read (L)
…
Data n to be read (H)
Data n to be read (L)
CRC-16 (H)
Message error judgment data
CRC-16 (L)
<Response during abnormal operation>
Data
Description
Office No.
SF-C21
equipment address
Function code
0x83
Error code
Error code
CRC-16 (H)
Message error judgment data
CRC-16 (L)