PLC-WM4500/WM4500L Expand Serial Command Functional Specifications
1
Overview
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This Functional Specification defines communication for PLC-WM4500 / WM4500L.
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Supporting Firmware Ver. 1.x of the projector.
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Most commands are used to control a projector remotely from a computer with RS-232C.
Therefore commands in this document are defined as Expand Serial Commands.
2
Serial Interface Specification
2.1
Transfer Specification
Item
Synchronous System
Transmission Speed
Data Length
Parity
Stop Bit
Flow Control
Note1) Transmission Speed: initial setting value is 19200
Note2) Transmission Speed can be changed in Service mode.
2.2
Connection
Dedicated serial cables must be used for the connection between a computer and a projector.
Connect COM port of the computer to CONTROL PORT of the projector.
COM Port (COM1 or COM2) of a computer is specified by control software of the computer.
Asynchronous
9600 / 19200
8 bits
N/A
1
N/A
PC
COM 1
(D-Sub 9Pin)
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Specification
Projector
CONTROL PORT
(D-Sub 9Pin)