Cable Specification; Communications Parameters; Communications Format - Nikon TIRF Instructions Manual

1-3 Cable specification

* To ensure trouble-free operation, use the supplied RS-232C cable for connecting your PC.

1-4 Communications parameters

Baud rate: 9600 bps (fixed)
Data length: 8 bits (fixed)
Start bits: 1 bit (fixed)
Stop bits: 1 bit (fixed)
Parity check: None

1-5 Communications format

The data format used when the system receives data from external equipment is referred to as
"command format," while that used when the system sends data is called "response format." In the
following description, [ ] indicates a delimiter and not data (characters) that is actually sent or
received.
1-5-1 Command format
[A][BBB][C...C][CR]
[A]: Command identifier (one lower-case alphabet character, ASCII code, one byte)
Identifier
c
r
[BBB]: Command name (three upper-case alphabet characters, ASCII code, three
bytes)
[C...C]: Parameter (ASCII code)
[CR]: Carriage return (0x0D)
IV Shutter Control Unit Communications Commands
1 Communication-controlled operation
Description
Operation, control, and data setting command
Data request command
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