CV620-IP / CV620-NDI RS-232 Command Set
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Note: The actual LAN out method is big-endian, LSB first.
Pic.3 Message structure of the VISCA over IP
Example:
21.10 Payload type
Stores the value (Byte 0 and Byte 1) of the following table on the payload division.
Pic.4 Payload Type Table
21.11 Payload length
Stores the number of bytes (1 to 16) of data is stored on the payload.
Example: when the payload length is 16 bytes.
Byte 2:00h
Byte 3:10h
21.12 Sequence Number
The controller stores the sequence number that is added every time a message is sent. If the
sequence number reaches the limit, next values will be 0. The peripheral device saves the sequence
number in the message from the controller, and stores the sequence number of the received
message corresponding to the message sent to the controller.
21.13 Payload
Depending on the payload type, the following are stored.
• VISCA command
• Stores the packet of the VISCA command.
• VISCA inquiry
• Stores the packet of VISCA message.
• VISCA reply
• Stores the reply for the command or inquiry (Acknowledge message, completion message, or
error message).
• VISCA device setting command
• Stores the packet of the VISCA device setting command.
• Control command
• The following are stored on the payload division of the control command.
Controlled reply
The following are stored on the payload division of the reply for the control command.
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