Rockwell-automation 2705 REDIPANEL KEYPAD MODULE USER MANUAL Bedienungsanleitung PDF herunterladen (Seite 9)

Chapter 2

Product Introduction

2–2

The Keypad Module combines the functions of standard thumbwheel or push

button devices with the built–in capabilities of a remote I/O rack.

The Keypad Module communicates directly with the programmable

controller via the Remote I/O link. You can install a 2705 module anywhere

along that link.

To the PLC, the Keypad Module looks like a hardwired remote I/O rack.

The function keys and the LED output signals are programmed as discrete

I/O in the PLC. Communication occurs through I/O image table updates.

Figure 2.1 shows a typical application.

Figure 2.1

Typical RediPANEL Keypad Application

2705 RediPANEL Modules Combine

Thumbwheels and Push Button Operator Stations

with Remote I/O

+ + +

•

Power

Supply

2705 RediPANEL

Keypad Module

Wiring Remote

I/O Node

Adapter

I/O Modules Power Supply

and

Rack

•

BUL 2705 KEYPAD

MESSAGE

12 34

Message Displays

Thumbwheels

Push Buttons

Pilot Lights

Keypad

Applications

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Rockwell-automation 2705 REDIPANEL KEYPAD MODULE USER MANUAL Bedienungsanleitung Seite 9