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DIN-191 and DIN-192 SERIES
CONVERTER BOXES
USERS MANUAL

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DGH CORPORATION
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WEB: www.dghcorp.com

The information in this publication has been  carefully  checked  and  is
believed  to  be  accurate;  however,  no  responsibility  is  assumed  for
possible  inaccuracies  or  omissions.  Applications  information  in  this
manual is intended as suggestions for possible use of the products and
not as explicit performance in a specific application. Specifications may be
subject to change without notice.

Summary of Contents for DIN-191 Series

Page 1: ...he information in this publication has been carefully checked and is believed to be accurate however no responsibility is assumed for possible inaccuracies or omissions Applications information in thi...

Page 2: ...eyond its obligation to replace any component involved Such warranty is in lieu of all other warranties expressed or implied RETURNS When returning products for any reason contact the factory and requ...

Page 3: ...e external handshaking signals to control the bus direction when transmitting or receiving data This technique often requires that host RS 232 software be written or modified to accurately control han...

Page 4: ...n MECHANICALS AND DIMENSIONS Case ABS case with screw terminal barrier plug supplied RS 485 Connectors Phoenix screw terminal barrier plug supplied Replace with Phoenix MSTB 2 5 4 ST 5 08 or equivalen...

Page 5: ...s cable available for purchase from us Figure 1A Connections for DIN 191 An RS 485 repeater is necessary to extend the length of an RS 485 network or connect more than 32 RS 485 devices on an RS 485 n...

Page 6: ...85 TERMINATIONS The proper termination techniques for any RS 485 system require two biasing resistors and two termination resistors The 1k biasing resistors are connected from the DATA line to 5Vdc an...

Page 7: ...an be performed by properly enabling the correct resistors inside each DIN 191 or DIN 192 Figures 3 0 and 4 0 show the location of the jumpers on the printed circuit board The jumpers are shown in the...

Page 8: ...ors are 1K 220 and 1K To enable any resistor place a jumper over the pins next to the required designator The factory switch and jumper settings are outlined below DIN 191 Baud Rate 300 baud switch up...

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