Quick Start Guide
ILinx 485OPDRI-PH
Triple Isolated RS-422/485
Repeater
1. Check for Required Hardware
ILinx 485OPDRI-PH Isolated Repeater
This Quick Start Guide
Additional Items Required but not included
oA 10 to 48 VDC Power Supply. Repeater draws 2.3W Max.
2.Information – UL Class 1 Div 2
1.Refer to Nonincendive Field Wiring Apparatus Control Drawing. for important information.
2.Power, Input / output (I/O) wiring for the end use enclosure must be in accordance with Class 1 Division 2 wiring methods (Article 501.10(B) of the National Electric Code, NFPA 70) and in accordance with the local authority having jurisdiction.
3.Maximum ambient air temperature 85°C.
4.Temperature rating of field installed conductors 105°C. Use Copper Wire Only.
5.These devices must be installed in end use enclosure suitable for the location.
6.WARNING – EXPLOSION HAZARD
SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS 1, DIVISION 2.
7.WARNING – EXPLOSION HAZARD: DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON-HAZARDOUS.
8.WARNING – THIS APPARATUS IS SUITABLE FOR USE IN CLASS 1 DIVISION 2, GROUPS A, B, C, AND D OR NONHAZARDOUS LOCATIONS ONLY.
Documentation Number – p/n 8932r001 485OPDRI-PH-1712qsg ©2010 B&B Electronics Manufacturing Company
4. Configuration DIP Switch
3. Front & Back Panel
A |
Power LED |
Red, ON When Power Applied |
B |
Data LEDs |
Green. LEDs Flash When Data is on |
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Port. |
C |
422/485 TB |
5 Position, Removable |
D |
Ground Lug |
Chassis Ground to Earth Ground |
E |
DIP Switch |
Used to Configure |
F |
Power TB |
2 Position, Removable |
SWITCH POSITION 8 IS NOT USED
Highlighted settings indicate factory default.
Switch functions are identical for each port.
Communications Mode |
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Switch |
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1 |
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2 |
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3 |
4 |
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RS-485 |
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2-Wire |
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ON |
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ON |
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ON |
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ON |
Half Duplex |
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RS-485 |
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4-Wire |
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ON |
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OFF |
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OFF |
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OFF |
Full Duplex |
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RS-422 |
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OFF |
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OFF |
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OFF |
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OFF |
Full Duplex |
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Built-in Termination Resistor |
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Switch |
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5 |
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Use the 120Ω Built-in Termination |
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ON |
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Use External or No Termination |
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OFF |
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Built-in Transmit Bias Resistor |
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Switch |
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6 |
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Use External or No Bias Resistor |
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ON |
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Use the 1.2K Ω Transmit Bias Resistor |
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OFF |
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Built-in Receive Bias Resistor |
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Switch |
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7 |
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Use External or No Bias Resistor |
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ON |
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Use the 1.2K Ω Receive Bias Resistor |
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OFF |
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For an explanation of RS-485 termination and biasing requirements, refer to B&B Electronics’ RS-485 application note. This publication can be downloaded at: www.bb-elec.com
International Headquarters: 815-433-5100 www.bb-elec.com European Headquarters: +353 91 792444 www.bb-europe.com
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