Meridian America D-ILA 1080MF1 RS-232C External Control, Communication Specifications, Header

RS-232C External Control

Control of this unit is possible via a computer, control system or other device by connecting the de- vice to the projector with a RS-232C cross cable (D-sub 9 pins). The commands to control this unit and the response data format against the received commands are as follows.

For details, please consult your authorized dealer.

1 Communication Specifications

Communication specifications for this unit are as follows:

Baud Rate: 9600/19200 bps (19200 bps default)

Data Length: 8 bit

Parity: None

Stop Bit: bit

Flow Control: None

2 Command Format

A Command data format

When sending a control command to the projector, use the following data format:

Header ID SP Command [

SP Parameter

]

CR

(Bracketed section is not necessary for Request command)

Header	: Designates the head of data and the data type.
	! (21hex): Assigns command to the projector (Command)
	? (3Fh): Query to the projector (Request command)
ID	: 1: Identification number of the projector (Factory setting is 1)
SP	: Designates the delimiter for ID, Command and Parameter. (20h)
CR	: Designates the terminal of the data. (0Dh)

B Response data format

Upon executing a control command it has received, this unit sends back the following response data to the device:

	Header	ID	SP	Normal Termination Status	SP	Parameter	CR
Header		: Designates the head of the data.
		@ (40hex): Fetches data from the projector
ID		: 1: Identification number of the projector (Factory setting is 1)
SP		: Designates the delimiter for ID, Command and Parameter. (20h)
Normal Termination Status : 0 (30h)
CR		: Designates the terminal of the data. (0Dh)

C Parameters used for the data format

The following 3 types of parameters are used for command and response data:

(1)Numeric value

(2)ON/OFF

(3)Special parameters

Each parameter is as follows:

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