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RS-232C External Control
Control of this unit via an automation control system is possible by connecting it to this unit 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 explained here. For details, please consult
your authorized dealer.
1. Communication Specifi cations
Communication specifi cation for this unit are as follows:
Baud Rate
9600/19200 bps
Data Length
8 bit
Parity
None
Stop Bit
1 bit
Flow Control
None
2. Command Format
2-1. Command data format
When sending a control command to this unit, use the following data format:
Header : Designates the head of data and the data type.
! (21h): Assigns command to the projector
? (3Fh): Query to the projector (Asking command)
ID :1: Identifi cation 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)
Header
ID
SP
Command
SP
Parameter
CR
[
]
Header
ID
SP
Normal Termination Status
SP
Parameter
CR
[
]
* [ ] is not necessary for Asking command.
2-2. Response data format
Upon executing a control command it has received, this unit sends back the following response data to the automation control
system:
Header
: Designates the head of the data.
@ (40h): Fetches data from the projector
ID
: 1: Identifi cation 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)