Rockwell-automation 45MLA Controller Installation Instructions Manuel d'utilisateur télécharger pdf (Page 10)

Functional Description—RS 485 Comm. Model

Figure 6: RS485 Control Unit Extension PCB

Pin Listings

The allocation of pins on the main connector, J2, for use with the

RS485 controller model is described below.

Table 17: J2 Pin Listings

The following table describes the connectivity of connector J16,

the RS485 connection, which is located on the extension PCB.

Table 18: J16 Pin Listings

Pin Signal Description Remarks

10V DC Power —

2+24V DC Power —

3 Ground Ground —

4 Not connected Not connected —

5 In 2 Trigger and hold See User Manual

6 In 1 Not used Not used

7 Out 2 Light array interrupted 

0V DC = interrupted

24V DC = not interrupted

8 Out 1 Overhang 24V DC = no overhang

 Or over-height (special function)

Pin 2 Wire 4 Wire

1 0 VDC 0 VDC

2-Rx+

3 Shielding Shielding

4-Rx-

5BTx+

6ATx-

PNP

D7 LED - Power

RS485

Extension

PCB

D3 LED Out 1

D4 LED Out 2

D9 Error

D8 Com Tx

D6 LED In 2

D5 LED In 1

RJ45 Connector

Emitter

RJ45 Connector

Receiver

D2 LED

D1 LED

Pot 2

Pot 1

Removable

Spring-Loaded

Connector

J12J13

Out 1

Out 2

In 1

In 2

n. c.

Earth.

24 VDC

0 VDC

In 2

PNP

NPN

PNP

NPN

In 1

Input

Logic

Jumpers

In 2

PNP

NPN

PNP

NPN

In 1

Input

Logic

Jumpers

The following figure provides additional information on the

impedances associated with each of the RS485 inputs.

Figure 7: Input Schematic of the RS485 Terminal

LED Indicators

The following table describes LED D8 and D9 on the RS485

extension PCB.

Table 19: RS485 Controller LED Status

LED Description Color Meaning

D8 Data communication

Off No communication

Green flashing Communication active

D9 RS485 Error

Off No RS485 error

Red RS485 error

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 16

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Rockwell-automation 45MLA Controller Installation Instructions Manuel d'utilisateur Page 10

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