Datasheet

P#9150-R001_4WSDxxOTB-0812ds - p4/4
www.bb-elec.com [e-mail] [e-mail]
International Office: 707 Dayton Road PO Box 1040 Ottawa, IL 61350 USA 815-433-5100 Fax [phone]
European Office: Westlink Commercial Park Oranmore Co. Galway Ireland [phone] Fax [phone]
PRODUCT INFORMATION B&B ELECTRONICS
Figure 3: 4-wire RS-422
Used as the master in a master/slave
circuit with receive only slaves.
Full-duplex communications.
Requires a twisted pair for transmit, a
twisted pair for receive, and a ground
reference wire.
Switch settings are: Switch 1: RS-
422, Switch 2: Echo On, Switches 3
and 4: 4-wire.
Specifications
Input Power Requirement
10 – 48 VDC
Isolation
2000 VAC
Current Draw
28 mA at 12 VDC (typical)
RS-232 Connection
DB9/DB25
RS-422/RS-485
Connection
Removable Terminal
Block
Data Rate
Up to 115.2 kbps
Operating Temperature
32 – 158°F (0 - 70°C)
LED Indicators
TD and RD
Dimensions
(4WSD9OTB)
3.9 x 1.7 x 0.9 in
9.8 x 4.3 x 2.3 cm
Dimensions
(4WSD25OTB)
3.9 x 2.2 x 0.9 in
9.8 x 5.5 x 2.3 cm
Approvals
CE
DECLARATION OF CONFORMITY
Manufacturer’s Name: B&B Electronics Manufacturing Company
Manufacturer’s Address: P.O. Box 1040
707 Dayton Road
Ottawa, IL 61350 USA
Model Number: 4WSDxxOTB
Description: RS-422/485 Converter
Type: Light industrial ITE equipment
Application of Council Directive: 89/336/EEC
Standards: EN 55022
EN 61000-6-1
EN 61000 (-4-2, -4-3, -4-4, -4-5, -4-6, -4-8, -4-11)
Michael J. Fahrion, Director of Engineering