Digital I/O Extender Module
Models 232IOEXT & 422IOEXT

Need to turn on a device or sense a contact closure from a remote location?
With two I/O Extender modules you can perform these tasks. When the state
of an input changes at one I/O Extender this change is converted to serial
data and is transmitted out its serial port to the other I/O Extender. The
data is then converted back and the corresponding digital output changes
state. Each I/O Extender has 8 digital inputs and 8 digital outputs that
are brought out on a DB-25 female connector. All digital inputs and
outputs are 0 to +5 V CMOS/TTL compatible. 

Two models are available, an RS-232 serial port Model 232IOEXT, and an
RS-422 serial port Model 422IOEXT. The serial ports signals are brought to
a DB-25 male connector. The RS-232 model can be used to extend I/O's up to
50 feet or can be used over a leased telephone line system. The RS-422
model can be used to extend I/O's up to 4,000 feet. The 232IOEXT serial
port requires 3 lines: TD, RD, and SG. The 422IOEXT serial port requires 5
lines: TD(A), TD(B), RD(A), RD(B), and SG. 

Features: 

* Eight Digital Inputs & Eight Digital Outputs.
* Baud rate selection from 1200 to 115,200. 
* CMOS/TTL compatible inputs & outputs (0 to 5Vdc).
* Status Indicator. Communication timer 
* Two serial communication standards to choose from: RS-232 or RS-422. 

232IOEXT ......... RS-232 Digital I/O Extender .............. $89.95
422IOEXT.......... RS-422 Digital I/O Extender ..............  89.95
232PS ............ 12 VDC Power Supply for I/O Extenders ....  14.95

B&B Electronics Manufacturing Co.
707 Dayton Road - P.O. Box 1040 - Ottawa, IL 61350
Phone: (815) 433-5100  (8 am to 4:30 pm)
24-Hr. Fax: (815) 434-7094
24-Hr. BBS: (815)434-2927
E-mail catrqst@bb-elec.com
Home Page http://www.bb-elec.com
 
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