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Serial / RS232 / RS485 / RS422 / TTL Converter Products

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  • INDUSTRIAL AND COMMERCIAL
  • RS232 To RS422 Converters
  • Standard or Isolated
  • Port or External Powered
  • Industry Proven 99.9% Reliable
Tech credentials

INDUSTRIAL RS232 TO RS422 CONVERTER WITH OPTIONAL EXT. POWER

Serialcomm - MODEL CON-422-PIE

Sima S. Enterprises offers a diverse selection of high quality, high performance, RS232 to RS422 converter products from Serialcomm the choice manufacturer of low priced data communication products without sacrificing quality and reliability . Whether you are looking for industrial or commercial grade, port or externally powered, standard or isolated converters we have the solution. Our bidirectional RS232 to RS422 converters are powered by very reliable signal processors featuring the autosensing feature and operate reliability and flawlessly without the need for flow control or software drivers. All of our RS232/RS422 converters come with optional terminal blocks for easy installation. All of our products are CE, FCC and RoHS certified by a reputable independent 3rd party testing facility and backed by our 30 day money back guarantee and 5 year warranty.

View all of our RS232 to RS422 Converters >>


INDUSTRIAL RS232 TO RS422
 CONVERTER WITH OPTIONAL EXTERNAL 5V POWER

 

30 Day Money Back / 5 Year Replacement Guarantee

SerialComm Model: CON-422-PIE
Download Specs.   CON-422-PIE.PDF

FREQUENTLY ASKED QUESTIONS

$16.95 - IN STOCK

 

DESCRIPTION

The SerialComm CON-422-PIE is a very high quality and very reliable compact industrial-grade bi-directional port-powered RS-232 to RS-422 converter which converts full-duplex RS-232 to a half-duplex two-wire RS-422. The converter can extend the distance of the RS232 for up to 4000 ft (1.2km).  This converter is ideal for any demanding application whether indoor in a lab, server room, office, at home or outdoors within the temperature range of -40ºF to 185ºF (-40ºC to 85ºC). The converter is port-powered and derives power by amplifying the RS232 data lines requiring no external power at all but also have the option to add external 5V power. This converter features auto sensing data turnaround eliminating the need for software drivers or handshake flow control.  The CON-422-PIE has a DB-9 female connector on the RS-232 end, and DB-9 male connector on the RS-485 end. A separate terminal block with no exposed jumpers is included with purchase. The terminal block plugs into the RS-422 end of the converter, providing screw-lug wire terminations for the port.
 

PORT-POWERED WITH
 OPTIONAL EXTERNAL POWER

The SerialComm CON-422-PIE has an optional 5V DC external power input, The CON-422-PIE is normally port-powered from the RS-232 data lines while using a capacitor charge pump built into the converter to provide necessary power. There are rare instances where the RS-232 host device is not capable of port-powering the converter due to signal incompatibilities or low voltage levels. If this should occur, all that is necessary is adding a 5V DC external power to the terminal block or DB9 connector. Because the CON-422-PIE is industrial grade and port-powered with an optional 5V power input it makes this converter one of the most versatile RS-232 to RS-422 converters on the market.

FEATURES

  • Plug-and-Play (hot-pluggable)
  • Includes terminal block with no exposed jumpers
  • Flexible DB-9 cable or screw down wire installation
  • Operates from 300 to 115.2K baud
  • Port powered - no external power needed
  • Data direction auto-turnaround - no software is necessary
  • Built-in 600W/sec surge protection
  • Built-in 15KV static protection
  • 5 year manufacturer’s warranty
  • RoHS, CE and FCC certified
  • Manufactured to ISO-9001 standards
     

SPECIFICATIONS

 

COMMUNICATION
STANDARDS: EIA/TIA RS-232C Standard and RS-422 Standard
BAUD RATES: From 300 Baud To 115,200 Baud
CONNECTOR TYPES: RS-232 Side: DB9 Female and RS-422 Side: either DB9 Male or 6-way Terminal Block
DISTANCE: RS-232 Side: 16 ft (5m) and RS-422 Side: up to 4000 ft (1.2km)
MAX # OF CONNECTIONS: 128 Connection Drops
ELECTRICAL
POWER SOURCE: Port Powered From RS-232 Data Lines
Optional 5V External Power
CURRENT CONSUMPTION: Less Than 10 mA
STATIC PROTECTION: 15KV Electric Static Discharge (ESD) Protection
SURGE PROTECTION: 600W/Sec Surge Protection
CONVERSION IC: Exar SP491EEN - For further information from Exar regarding their IC follow this link.
MECHANICAL
HOUSING: Rugged ABS
WEIGHT: With Terminal Block: 1.2oz (36 grams)
Without Terminal Block: 0.8oz (24 grams)
DIMENSIONS: With Terminal Block: 3.15 X 1.33 X 0.73 in (80.0 X 33.8 X 18.6 mm)
Without Terminal Block: 2.47 X 1.33 X 0.70 in (62.8 X 33.8 X 17.8 mm)
ENVIRONMENTAL
OPERATING TEMP.: -40ºF to 185ºF (-40ºC to 85ºC)
OPERATING HUMIDITY: 5% To 95% - No Condensation
QUALITY
PRODUCT SAFETY: CE, FCC and RoHS Conformance Certified
RELIABILITY: Low Failure Rate - 99+% Reliability Since Inception
WARRANTY: 5 Year Replacement Warranty
     

PINOUTS

RS232 SIDE

RS422 SIDE

SIGNAL DCD DTR DSR RTS CTS TX RX GND
PIN # 1 4 6 7 8 2 3 5
FUNCTION TIED TIED TX RX GND
 
SIGNAL T/R+ T/R- RXD+ RXD- GND VCC
PIN # 1 2 3 4 5 6
FUNCTION  T+  T-    R-   R+ GND 5V
OPT.
 

DB9 FEMALE

DB9 MALE OR TERMINAL BLOCK

RS232 to RS422 Connector

RS232 to RS422 Connector Male   

     

APPLICATIONS

FIGURE 1: EXTENDING THE RS232 DATA DISTANCE - PORT-POWERED MODE


FIGURE 2: MASTER / SLAVE MULTI-DROP CONFIGURATION - PORT-POWERED MODE

FIGURE 3: EXTENDING THE RS232 DATA DISTANCE - 5V POWERED MODE


FIGURE 4: MASTER / SLAVE MULTI-DROP CONFIGURATION - 5V POWERED MODE

 

 


TROUBLESHOOTING INSTRUCTIONS

 

Using one CON-422-PIE unit:

Check that all connections comply with the connection diagrams. Perform a loop back test on one unit: Connect the T/R+ to RXD+ and T/R- to RXD- on the RS-422 port. Connect the RS-232 port to the PC RS-232 port. Running a hyper terminal program on the PC, send ASCII characters to the CON-422-PIE converter from one PC port, and check that the characters are received at the same PC port. This tests that the transmit and receive functions of the CON-422-PIE unit is working properly.

Using two CON-422-PIE units:

Check that all connections comply with the connection diagrams. Perform a loop back test on two units: Connect the two RS-422 ports. Connect the two RS-232 ports to two PC RS-232 ports. Running hyper terminal programs on both PCs, send ASCII characters to the CON-422-PIE converter from one PC port, and check that the characters are received at the 2nd PC port. Repeat the test in the opposite direction. This tests that the transmit and receive functions of both CON-422-PIE units are working properly.

Download FREE FULL VERSION AccessPort Advanced Serial Monitor, Simulation and Data Analysis Software Tool.  This software tool is great for testing converters.  Supports Windows 98/XP/VISTA/WIN 7.  DOWNLOAD SOFTWARE AND USER MANUAL

 

 


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