Fuji Electric NP1L-RS1 - Appendix 2-2 Send Data Format of Commands

App.2-2
Appendix 2-2 Send Data Format of Commands
The send data of request and response commands consist of the “transmission header”, “loader command”, and
“checksum code”. The format of a request command is the same as that of response command.
All data are transmitted as HEX code (Not ASCII code).
START code (5Ah fixed)
Data counter (L)
Data counter (H)
Processing status
Connection ID (L)
Connection ID (H)
Connection mode
(11h fixed)
(00h fixed)
(00h fixed)
(00h fixed)
(00h fixed)
(00h fixed)
(00h fixed)
(01h fixed)
Number of bytes in data (L)
Number of bytes in data (H)
Data
BCC
Command
Mode
Up to 492 bytes
Transmission header
(3 bytes)
Command consisting of
command header (16 bytes)
and data
Checksum code (1 byte)
Number of bytes in command
plus one (checksum code)
< Detailed send data >
1) START code
Starting code of send data (request command and response command). Fixed to “5Ah”.
2) Data counter
Indicates the number of bytes in command plus one (checksum code (BCC)).
3) Processing status
Indicates the result of execution of each processing requested by commands. Checked by response commands. Request
commands are issued with the processing status fixed to “FFh.”