Nikon TIRF - Response and Error Handling; Response Format; Error Codes for Troubleshooting

IV Shutter Control Unit Communications Commands
1 Communication-controlled operation
- 31 -
IV
1-5-2 Response format
[D][BBB][E…E][CR][LF]
[D]: Response identifier
Identifier Description
o Response given when command processing is normally terminated
n Response given if an error occurs during command processing
a Response given to r command
[BBB]: Command name (three upper-case alphabet characters, ASCII code, three bytes)
[E…E]: Data read or error code (ASCII code)
[CR]: Carriage return (0x0D), [LF]: Line feed (0x0A)
[Error codes]
Code Type Description
1 Command error Command identifier, improper command name
2 Parameter error Improper parameter
4
Receive buffer
overflow
Received data exceeds the permissible amount
(32 bytes)
6
Command
overflow
Number of commands that can be processed is
exceeded during continuous transmission of
commands (five commands)
7
Processing inhibit
error
Processing is inhibited
8
Processing stop
error
Command processing is stopped
1-6 Communications sequence
[PC] [TIRF system]
c command
o or n response
Command
[TIRF system]
[PC]
r command
a or n response
Command