Communications Sequence - Nikon TIRF Instructions Manual

1-5-2 Response format
[D][BBB][E...E][CR][LF]
[D]: Response identifier
Identifier
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
1 Command error
2 Parameter error
Receive buffer
4
overflow
Command
6
overflow
Processing inhibit
7
error
Processing stop
8
error

1-6 Communications sequence

[PC]
[PC]
IV Shutter Control Unit Communications Commands
1 Communication-controlled operation
Type
Command identifier, improper command name
Improper parameter
Received data exceeds the permissible amount
(32 bytes)
Number of commands that can be processed is
exceeded during continuous transmission of
commands (five commands)
Processing is inhibited
Command processing is stopped
[TIRF system]
c command
Command
o or n response
[TIRF system]
r command
Command
a or n response
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Description
Description
IV