Hitachi ED-X32 Command Control via the Network, Connecting the cable, Communications setting

Command Control via the Network

Command Control via the Network

1	2	3	4	5
6	7	8		9

CONTROL port	RS-232C cable (cross)
of the projector	- (1)	(1)	CD
	RD (2)	(2)	RD
	TD (3)	(3) TD
	- (4)	(4)	DTR
	GND (5)	(5) GND
	- (6)	(6)	DSR
	RTS (7)	(7)	RTS
	CTS (8)	(8)	DTS
	- (9)	(9)	RI

1 2 3 4 5

6 7 8 9

RS-232C port

of the computer

Connecting the cable

1. Turn off the projector and the computer.

Connect the CONTROL port of the projector with a RS-232C port of the

2. FRPSXWHUE\D56&FDEOHFURVV8VHWKHFDEOHWKDWIXO¿OOVWKHVSHFL¿FDWLRQ shown in the previous page.

Turn the computer on, and after the computer has started up turn the

3. projector on.

Communications setting

19200bps, 8N1

1. Protocol

Consist of header (7 bytes) + command data (6 bytes)

2. Header

BE + EF + 03 + 06 + 00 + CRC_low + CRC_high &5&BORZ/RZHUE\WHRI&5&ÀDJIRUFRPPDQGGDWD &5&BKLJK8SSHUE\WHRI&5&ÀDJIRUFRPPDQGGDWD

3.Command data

Command data chart

byte_0	byte_1	byte_2	byte_3		byte_4	byte_5
Action		Type			Setting code
low	high	low	high		low	high
Action (byte_0 - 1)
Action	&ODVVL¿FDWLRQ			Content
1	Set	Change setting to desired value.
2	Get	Read projector internal setup value.
4	Increment	Increment setup value by 1.
5	Decrement	Decrement setup value by 1.
6	Execute	Run a command.

7