Instruction manual

Programming
45
AXB-PT10/30 PosiTrack Camera Controllers
The following table lists the request functions sent to PosiTrack units.
General Format
Byte No. Type
1 Attention Byte
2 Command #
3Data
Last Checksum, sum of all bytes Mod 256
RS-232
Levels
Level
0PAN
1TILT
2 ZOOM
3 FOCUS
4PAN_POT
5TILT_POT
6 ZOOM_POT
7 FOCUS_POT
RS-232 Levels that are valid <LEVEL NO> are 0-7.
Request Functions Sent to the PosiTrack Unit
Functions Syntax
Channel On/Off
'*' <1> <0> <CHANNEL> <STATUS> <CHECKSUM>status 1 ->
turn on channel status 0 -> turn off channel
Set level (byte)
'*' <3> <0> <LEVEL NO> <LEVEL> <CHECKSUM>
Send string
'*' <4> <0> <# BYTES> <STRING> <CHECKSUM>
Send command
'*' <5> <0> <# BYTES> <STRING> <CHECKSUM>
Get channel status
'*' <6> <0> <CHANNEL> <CHECKSUM>
Get level status
'*' <7> <0> <LEVEL> <CHECKSUM>
Get bus status
'*' <8> <CHECKSUM>
Get device(s)
'*' <9> <CHECKSUM>
Set response mask
'*' <10> <MASK1> <MASK2> <CHECKSUM>
Send all on channels
'*' <11> <0> <CHECKSUM>
Send all levels
'*' <12> <0> <CHECKSUM>
Set level (word)
'*' <13> <0> <LEVEL NO><LEVEL_H><LEVEL_L><CHECKSUM>
Stand alone baud rate
'*' <14> <0 or 1> <CHECKSUM>
A value of 0 sets the rate to 9600. A value of 1 enters a baud rate of 38.4 KB.