Using the SERIAL
The projector is equipped with an
Connection
•Single
Side interface panel
SERIAL
PC
| Unit 1 interface panel | |
• Plural | ||
| (female) | (male) |
PC | IN | OUT |
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| SERIAL |
Unit 2 interface panel
(female) | (male) |
IN | OUT |
SERIAL
(male) | (female) |
Communication cable
Communication cable | Communication cable |
Pin assignments and signal names
Pin No. Signal name | Description |
| NC |
TXD | Send data |
RXD | Receive data |
| Connected internally |
GND | Ground |
| NC |
CTS | Connected |
RTS | internally |
| NC |
Pin No. Signal name | Description |
| NC |
RXD | Receive data |
TXD | Send data |
| NC |
GND | Ground |
| NC |
RTS | Connected |
CTS | internally |
| NC |
Communication
requirements
Signal level |
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Sync method | |
Baud rate | 9 600 bps |
Parity | None |
Character length | 8 bit |
Stop bit | 1 bit |
X parameter | None |
S parameter | None |
Basic format
Transmission from the computer begins with STX, then the command, parameter and ETX are sent in this order. Colon (:) is not required when transmitting the command which does not need a parameter.
STX
Start
Caution
AD |
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| I 1 | I 2 |
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| C1 | C2 | C3 |
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| ID | characters |
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| (2 Bytes) | Colon |
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| 00 to 99 |
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ID designate
P1 | P2 | P3 | P4 | P5 |
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Parameter
(1 to 5 Bytes)
ETX
End
•On commencement of lamp lighting, commands cannot be sent or responses received for approximately 10 seconds. Be sure to send any commands and receive responses 10 seconds. (Applies to the
•When transmitting several commands, wait for a response from the projector before sending the next command. When sending commands without parameters, a colon is not necessary.
•When it is unnecessary to designate an ID code, send the format without the part to ID designate it.
Note
•If a wrong command is received, the projector sends ER401 back to the computer.
•When using control from the remote terminal, commands cannot be received at the serial terminal.
•Projector ID supported on the
•The remote control ID is set from 0 to 3. If a command is sent with a projector ID specified, the projector will return answer back only if the ID contained in the command matches the projector ID or the projector ID is set to ALL.
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