
PLC-WM5500/WM5500L Expand Serial Command Functional Specifications
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1
Overview
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This Functional Specification defines communication with PJ-Net organizer for PLC-WM5500 /
WM5500L.
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Supporting Firmware Ver. 1.x of the projector.
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Commands in this document are to communicate with PJ-Net organizer, but 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
Specification
Synchronous System
Asynchronous
Transmission Speed
9600 / 19200
Data Length
8 bits
Parity
N/A
Stop Bit
1
Flow Control
N/A
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.
PC Projector
COM 1 CONTROL PORT
(D-Sub 9Pin) (D-Sub 9Pin)
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.