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TM
DLP
Projector

Serial connector

The serial connector complies with RS-232C. To control the projector from a personal computer, com-
mands must be input through communication software, based on the format and satisfying the commu-
nication conditions shown below.

Pin assignments and signal names

D-sub 9-pin (female) Serial input
Pin assignments and signal names
D-sub 9-pin (male) Serial output

Communication conditions (factory setting)

Signal level
Synchronization method
Baud rate
Parity
Character length
Stop bit
X parameter
S parameter

Basic format

Transmission from the computer begins with STX, then the ID, command, parameter, and ETX are sent
in this order. Add parameters according to the details of control.
STX
A
D
I1 I2
Start
(2 byte)
(1 byte)
ID: 2 characters
(2 bytes)
01 to 64: Address number
0A to 0Z: Group ID
ZZ: All units (ID ALL)
ID designator
CAUTION
• It may not be possible to send or receive commands for about 10 to 60 seconds when the lamp is first turned on. If this
occurs, wait for 60 seconds, then try sending or receiving again.
• When sending multiple commands, be sure to wait for at least 0.5 second after receiving a response from the projector before
sending the next command.
• Additional time is sometimes required for response due to processing inside the projector. Set the time-out period for com-
mand response to 10 seconds or more.
• When using two or more units:
1) Set different IDs for each unit.
2) Designate only one unit as RESPONSE (ID ALL) ON and the rest as RESPONSE (ID ALL) OFF.
3) Each group should have only one RESPONSE (ID GROUP) ON and the rest should be RESPONSE (ID GROUP) OFF.
As of September 2013
SFD13M004-2
PT-DZ870K/DZ870W/DZ870LK/DZ870LW
No.
Signal name
Description
1
–
NC
2
TXD
Send data
3
RXD
Receive data
4
–
NC
5
GND
Ground
No.
Signal name
Description
1
–
NC
2
RXD
Receive data
3
TXD
Send data
4
–
NC
5
GND
Ground
RS-232C-compliant
Start-stop synchronization
9,600 bps
None
8 bits
1 bit
None
None
;
C1
C2
C3
:
Semicolon
Colon
(1 byte)
(1 byte)
Command
(3 bytes)
(Control and/or query commands)
No.
Signal name
6
–
7
CTS
8
RTS
9
–
No.
Signal name
6
–
7
RTS
8
CTS
9
–
P1 P2 ... Pn
ETX
End
(1 byte)
Parameters
(undefined length)
Description
NC
Connected internally
Connected internally
NC
Description
NC
Connected internally
Connected internally
NC
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