11
COM control
In the normal working condition, the camera can connect a VISCA or
Pelco-P or Pelco-D equipment via the control
of RS232 IN.
The parameter of the RS232C COM is as following:
Baud Rate
˖
2400/4800/9600
Bit/S
Start bit: 1bit ;
Data bit: 8bit ;
Stop bit : 1bit;
Code: None
Powering on, the camera runs to the up right, then back to the middle with the farthest zoom rate in the auto
focus and the iris default value. Finishing the initialization, the camera moves to the preset no.0 if it’s saved.
Now, the camera can be controlled by the serial command.
VISCA Protocol
Part1 Camera Return Command
z = Camera A 8
Part 2 Controlling Command
Command
Function
Command Packet
Note
AddressSet
Broadcast
88 30 01 FF
Address setting
IF_Clear
Broadcast
88 01 00 01 FF
I/F Clear
CommandCancel
8x 21 FF
On
8x 01 04 00 02 FF
CAM_Power
Off
8x 01 04 00 03 FF
Power ON/OFF
Stop
8x 01 04 07 00 FF
Tele(Standard)
8x 01 04 07 02 FF
Wide(Standard)
8x 01 04 07 03 FF
Tele(Variable)
8x 01 04 07 2p FF
Wide(Variable)
8x 01 04 07 3p FF
p = 0(low) - 7(high)
CAM_Zoom
Direct
8x 01 04 47 0p 0q 0r 0s FF
pqrs: Zoom Position
Stop
8x 01 04 08 00 FF
Far(Standard)
8x 01 04 08 02 FF
Near(Standard)
8x 01 04 08 03 FF
Far(Variable)
8x 01 04 08 2p FF
Near(Variable)
8x 01 04 08 3p FF
p = 0(low) - 7(high)
Direct
8x 01 04 48 0p 0q 0r 0s FF
pqrs: Focus Position
Auto Focus
8x 01 04 38 02 FF
CAM_Focus
Manual Focus
8x 01 04 38 03 FF
AF ON/OFF
Ack/Completion Message
Command Packet
Note
ACK
z0 41 FF
Returned when the command is accepted.
Completion
z0 51 FF
Returned when the command has been executed.
Error Messages
Command Packet
Note
Syntax Error
z0 60 02 FF
Returned when the command format is different or when a command
with illegal command parameters is accepted
Command Not Executable
z0 61 41 FF
Returned when a command cannot be executed due to current
conditions. For example, when commands controlling the focus
manually are received during auto focus.
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