Panasonic RS-232C Using the Serial Terminal Basic Format, Basic control command with parameters

Using the Serial Terminal

1.Basic Format

Transmission from the computer begins with STX, then the command, parameter and ETX are sent in this order.

Add parameters according to the details of control.

Basic control command (without parameter)

	Start (STX)	Command	End (ETX)
	1 byte	3 bytes	1 byte
Basic control command (with parameters)
	Start (STX)	Command	Separator	Parameters	End (ETX)
			(colon)
	1 byte	3 bytes	1 byte	Undefined length	1 byte

Response (Callback) of the basic control command

In the period when the command can be accepted

Differs according to each command.

In the period when commands cannot be accepted or the command does not exist

Hexadecimal	02h	45h	52h	34h	30h	31h	03h
Character		E	R	4	0	1

In case of the parameter error

Hexadecimal	02h	45h	52h	34h
Character		E	R	4

30h

0

32h

2

03h

Notes:

•When sending several commands, be sure to wait for a response from the projector, and send the next command after 0.5 seconds or more pass.

•It might take time by the time the response returns because the command is processed in the projector. Set the time-out to 10 seconds or longer.

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