Interface; Pin Assignment Of Serial Terminal (D-Sub 9-Pin); Communications Format - Mitsubishi Electric UD8900U User Manual

• Example of ID setting (When Group A, which performs multi-projection with two projectors, and Group B, which
performs multi-projection with three projectors, are connected.)
You can assign the ID code to the control command.
• When the command having the PROJECTOR ID is sent, only the projector having the corresponding ID returns the
response.
(When the PROJECTOR ID is set to ALL on the projector, the projector responds to all the PROJECTOR ID
numbers assigned to the commands.)
• When the command having the GROUP ID is sent, all the projectors having the corresponding ID return the
response.
• When the command having no ID code is sent, all the projectors return response.
to other than "ALL" and assign the PROJECTOR ID differently for each projector to communicate with each projector
individually. Refer to the operation manual of the projector for setting the PROJECTOR ID.
When you use a daisy chain con guration, set the STANDBY MODE to "STANDARD." Refer to the operation manual
of the projector for setting the STANDBY MODE.
Important:
• Adapters may be necessary depending on the PC connected to this projector. Contact your dealer for details.

1.2 Interface

1.2.1 Pin assignment of SERIAL IN and SERIAL OUT terminals (D-SUB 9-pin)
Pin No. Name
1 OPEN
2 RXD
3 TXD
4 OPEN
5 GND
6 OPEN
7 OPEN
8 OPEN
9 OPEN

1.2.2 Communications format

PROTOCOL
BAUD RATE
DATA LENGTH
PARITY BIT
STOP BIT
FLOW CONTROL
This projector uses RXD, TXD and GND lines for RS-232C control.
For RS-232C cable, the supplied cable (crossover cable) should be used.
Multi-projection Group A
Projector 1
PROJECTOR ID : 01
GROUP ID : A
Projector 3
PROJECTOR ID
GROUP ID
I/O
IN
OUT
RS-232C
9600 [bps]
8 [bits]
NONE
1 [bit]
NONE
Projector 2
PROJECTOR ID
GROUP ID
Projector 4
: 03 PROJECTOR ID
: B GROUP ID
3
: 02
: A
Multi-projection Group B
Projector 5
: 04 PROJECTOR ID
: B GROUP ID
: 05
: B