RS-232/Ethernet (UDP)
Communication Protocol
The VP-444 can be operated using serial commands from a PC, remote controller, or touch
screen. The unit communicates using the default Kramer Protocol 3000.
•
Kramer Protocol 3000 syntax (see
•
Kramer Protocol 3000 commands (see
on page 36)
•
Kramer Protocol 3000 detailed commands (See
Commands
Kramer Protocol 3000 Syntax
Protocol 3000 communicates at a data rate of 9,600 baud, no parity, 8 data bits and 1 stop bit.
Host Message Format
Start
Address (optional)
#
Destination_id@
Simple Command
Command string with only one command without addressing:
Start
Body
Command SP Parameter_1,Parameter_2,...
#
Command String
Formal syntax with commands concatenation and addressing:
Start
Address
#
Destination_id@
Device Message Format
Start
Address (optional)
~
Sender_id@
Device Long Response
Echoing command:
Start
Address (optional)
~
Sender_id@
VP-444 – RS-232/Ethernet (UDP) Communication Protocol
on page 37)
Body
Message
Body
Command_1 Parameter1_1,Parameter1_2,...|
Command_2 Parameter2_1,Parameter2_2,...|
Command_3 Parameter3_1,Parameter3_2,...|...
Body
Message
Body
Command SP [Param1 ,Param2 ...] result
Kramer Protocol 3000 Syntax
Kramer Protocol 3000 – Command List
Kramer Protocol 3000 – Detailed
Delimiter
CR
Delimiter
CR
delimiter
CR LF
Kramer Electronics Ltd.
on page 34)
Delimiter
CR
Delimiter
CR LF
34