Extron electronic Multi-Graphic Processor MGP 464 Manual De Usuario

4-3

MGP 464 • Software Configuration and Control

PRELIMINAR

The cables used to connect the RS-232/422 port to a computer or control system

may need to be modified by removing pins or cutting wires. If unneeded pins are
connected, the processor may hang up. See chapter 2, "Installation," for more
information on wiring the connectors.

Communication software

There are several programs that enable you to connect the MGP 464 to a

computer or control device via the RS-232/422 interface, and to enter commands.

HyperTerminal for Windows is one such program that is commonly used on PCs.

In addition, the MGP has a Windows-based control software program, discussed

later in this chapter, that is available through the RS-232/422 port, the front panel

Config port, or via Ethernet. (See the MGP 464 software’s help for information on

using it to configure the MGP.)
For any program that you use, set up communication using the following protocol:
Baud rate: 9600

Data bits: 8

Parity: None

Stop Bits: 1

Flow Control: None

Using Simple Instruction Set (SIS) Commands

Host-to-MGP communications

The MGP 464 accepts SIS (Simple Instruction Set) commands through the

RS-232/422 port on the rear panel, the RS-232 port on the front panel, and the LAN

port. SIS commands consist of one or more characters per command field. They do

not require any special characters to begin or end the command character sequence.

Each response to a command ends with a carriage return and a line feed (]), which

signals the end of the response character string. A string is one or more characters.

MGP-initiated messages

When a local event such as a front panel selection or adjustment takes place, the

MGP 464 responds by sending a message to the host. No response is required from

the host. Examples of MGP-initiated messages are listed below (underlined).
(c) Copyright 2007, Extron Electronics, MGP464, Vx.xx 60-771-xx

The MGP 464 sends the copyright message when it is first powered on. Vx.xx

is the firmware version number, and 60-771-01 and 60-771-02 are the part

numbers for MGP 464 or MGP 464 DI, respectively.

Www, DD Mmm yyyy hh:mm:ss

The current date and time are displayed following the copyright message at

power-up if the connection is via the Internet. (Www are the first three letters

of the day of the week; e.g., Mon, Fri.)

Reconfig

The MGP sends a Reconfig message as each of the four windows is configured

via the new connection.

Out n In nn (where Out n is the window number, and In nn is the input number).

The MGP sends this response when an input is switched.