485op, First things first, Troubleshooting fast, easy answers – B&B Electronics 485OP - Quick Start Guide User Manual
Page 2: Recommended accessories, Hesp4dr, Esr35
Troubleshooting
Fast, Easy Answers...
Q. What type of cable do I need for RS-
422/485?
A. Category 5 cable is available as shielded
twisted pair (STP) as well as unshielded
twisted pair (UTP) and generally exceeds the
recommendations for RS-422 making it an
excellent choice for RS-422 and RS-485 systems.
Q. How do I wire the 485OP for
2-wire?
A. Make sure to externally jump TDA to RDA and
TDB to RDB.
Q. Do I have to run a signal ground on
the 485OP?
A. Yes, all of our Optically Isolated devices
require a signal ground.
UL Installation Information
Underwriters Laboratories Conditions of
Acceptability – When installed in the end-use
equipment, consideration should be given to the
following:
1. The wiring terminals are suitable for factory
wiring only.
2. This device is to be mounted in a suitable
enclosure in the end-product.
3. This device is suitable for operation at a
maximum surrounding air temperature as
described in the documentation.
4. These devices are intended for use in a
pollution degree 2 environment.
• Input Voltage: 10 – 14 VDC
• Input Power: 1.0 Watt
• Wire Range: 22 – 14 AWG
• Tightening Torque: 0.5 Nm
• Temperature rating of field installed
conductors is 105 C minimum, sized for 60 C
ampacity.
• Use copper wire only Maximum surrounding
ambient air temperature 55 C.
Fast and easy on the web:
www.bb-elec.com
Optically isolated
RS-422/485 Repeater
485OP
Document number – pn8679_R002_485OP_0113qsg
© 2013 B&B Electronics Manufacturing Company
1-888-948-2248 | Europe: +353 91 792444
www.bb-elec.com
Recommended Accessories
HESP4DR
Dataline Surge
Suppressor
Please double check
Step 3.
You can also use your
smart phone to access
complete documentation
on our website. Simply
scan code to the right.
485OP
12 VDC Wall Power Supply
with Striopped and Tinned Leads
First Things First...
Before you begin, be sure you have
the following:
707 Dayton Road | PO Box 1040 | Ottawa, IL 61350
Phone: 815-433-5100 | Fax: 815-433-5109
www.bb-elec.com | E-mail: [email protected]
•
•
Q
uick
S
tart
G
uide
ESR35
Steel DIN mounting rail