User Manual

485CSP2-0812-3/3
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
Specifications
Surge Suppressors: 7.5V, bi-directional avalanche breakdown device.
500W peak power dissipation.
Clamping time < 1 picosecond (theoretical).
6000 pF maximum capacitance.
Fuses: 125mA very fast-acting type.
5 Ohms series resistance maximum.
Size - 6.1mm long X 2.69mm wide.
Replacement fuses are available from B&B Electronics as Model Number 4F125.
Table 1
COMPONENT REPLACEMENTS FOR
CHANGING BAUD RATE TIMEOUTS
Baud
Rate
Time
(ms)
Resistor
R9
(ohm)
Capacitor
(C6)
(mfd)
300 33.3 330K 0.1
600 16.6 160K 0.1
1200 8.33 820K 0.01
2400 4.16 430K 0.01
4800 2.08 200K 0.01
9600 1.04 100K 0.01
19200 .520 56K 0.01
38400 .260 27K 0.01
57600 .176 16K 0.01
115200 .0868 8.2K 0.01
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: 485CSP2
Description: RS-232 to 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)
Robert M. Paratore, Director of Engineering