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B&B Electronics 485OPDRI - Quick Start Guide User Manual

Quick start guide

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Documentation Number – p/n 8455r002 485OPDRI-2212qsg

©2010 B&B Electronics Manufacturing Company

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 ILinx 485OPDRI Isolated Repeater
 This Quick Start Guide
 Additional Items Required but not included

o

A 10 to 48 VDC Power Supply.

o

RS-422/485 Cables.

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1. Power, input /output (I/O) wiring must be in

accordance with Class 1 Division 2 wiring methods
[Article 501.10(B) of the National Electric code,
NFPA70] and in accordance with the local authority
having jurisdiction.

2. Maximum ambient air temperature 80°C
3. WARNING – EXPLOSION HAZARD:

SUBSTITUTION OF ANY COMPONENTS MAY
IMPAIR SUITABLITY FOR CLASS 1, DIVISION 2.

4. WARNING – EXPLOSION HAZARD: WHEN IN

HAZARDOUS LOCATIONS, TURNING OFF
POWER BEFORE REPLACING OR WIRING
MODULES

5. WARNING – EXPLOSION HAZARD: DO NOT

DISCONNECT EQUIPMENT UNLESS POWER HAS
BEEN SWITCHED OFF OR THE AREA IS KNOWN
TO BE NON-HAZARDOUS.

6.

WARNING – THIS APPARATUS IS SUITABLE FOR
USE IN CLASS 1 DIVISION 2, GROUPS A, B, C,
AND D, OR UNCLASSIFIED AREAS

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Quick Start Guide

ILinx 485OPDRI

Triple Isolated RS-422/485

Repeater

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Front Panel
1

Power TB

2 Position, Removable

2

DATA LED

Red, Flashes when RS-422/485

Data Received on TB1

3

TB 1

5 Position, Removable

4

TB 2

5 Position, Removable

5

DATA LED

Red Flashes when RS-422/485

Data Transmitted on TB2

6

Power LED

Red, ON When Power Applied

7

Dip Switch

12 Position, One on the top of the

Unit, on the bottom of the unit



RS-422/485 Terminal Blocks

TB1

RS-485 2-Wire

RS-422/485 4-Wire

A

GND

GND

B

Data B(+)

RDB(+)

C

Data A(-)

RDA(-)

D

---

TDB(+)

E

---

TDA(-)

TB2

RS-485 2-Wire

RS-422/485 4-Wire

F

GND

GND

G

Data B(+)

RDB(+)

H

Data A(-)

RDA(-)

I

---

TDB(+)

J

---

TDA(-)

4

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Communications

Mode

1

2

3

4

RS-485

ON

ON

ON

ON

2-Wire

Half Duplex

RS-485

ON

OFF

OFF

OFF

4-Wire

Full Duplex

RS-422

OFF

OFF

OFF

OFF

Full Duplex

Termination Resistor

5

Use the 120Ω

ON

Built in Termination
Use External

OFF

or no termination

Transmit Bias

6

Use the 1.2KΩ
Transmit

OFF

Bias Resistor
Use External or no

ON

Transmit Bias Resistor

Receive Bias

7

Use the 1.2KΩ Receive

OFF

Bias Resistor
Use External or no

ON

Transmit Bias Resistor