background image

   A1000 &  A2000 USERS MANUAL

Summary of Contents for A1000 Series

Page 1: ...omega com e mail info omega com For latest product manuals omegamanual info User sGuide A1000 and A2000 Series Converter Boxes MADE IN Shop online at ...

Page 2: ...e Tel 33 0 1 61 37 2900 FAX 33 0 1 30 57 5427 Toll Free in France 0800 466 342 e mail sales omega fr Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany Tel 49 0 7056 9398 0 FAX 49 0 7056 9398 29 Toll Free in Germany 0800 639 7678 e mail info omega de United Kingdom One Omega Drive River Bend Technology Centre ISO 9002 Certified Northbank Irlam Manchester M44 5BD United Kingdom Tel 44 0...

Page 3: ...ww omega 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 ...

Page 4: ...A1000 A2000 USERS MANUAL 2 ...

Page 5: ...3 A1000 A2000 USERS MANUAL ...

Page 6: ...rnal handshaking signals from the host Therefore host software written for RS 232 may be used without modification RS 485 bus control is completely transparent to the user The A1000 and A2000 can also operate as RS 485 repeaters Repeaters are required to extend communications bus lengths or allow more than 32 RS 485 devices to be connected to a communications bus A repeater simply reamplifies or b...

Page 7: ...ons 8 08 W x 2 50 H x 6 25 D A1000 7 06 W x 1 53 H x 5 30 D A2000 RS 485 Connectors Phoenix screw terminal barrier plug supplied Replace with Phoenix MSTB 2 5 4 ST 5 08 or equivalent Warranty 12 months on workmanship and materials CONNECTIONS The A1000 and A2000 have three connectors located on the rear panel two RS 485 connectors and one RS 232 connector The RS 485 connectors are 4 position screw...

Page 8: ...ROUND 6 DSR DATA SET READY 7 NC NO CONNECTION 8 CTS CLEAR TO SEND 9 NC NO CONNECTION The RS 232 connector is left open when the A1000 or A2000 is used as an RS 485 Repeater The only connections normally required for proper A1000 operation are pins 2 3 and 5 of the DB 9 connector DB 9 to DB 25 adapters can be made using the connections below DB 9 Pin DB 25 Pin 2 3 3 2 5 7 A1000 2000 RS 485 IN CONNE...

Page 9: ...S 485 converter A1000 2000 RS 485 OUT CONNECTOR The A1000 and A2000 converters contain a four pin screw terminal plug labelled RS 485 OUT This connector is the RS 485 output for the A1000 and A2000 when used as either a converter or repeater Figure 1A Connections for A1000 Figure 1B Connections for A2000 ...

Page 10: ...e the 3 pin strip on the PC board directly behind the LEDs Lift the jumper bar from the pin strip and place it over the two pins located closest to LEDS OFF written on the PC board The POWER A1000 and PWR A2000 LEDs are pilot lights that indicate adequate power supply voltage is applied to the converter The TRANSMIT A1000 and TX A2000 LEDs illuminate as data is transmitted from a host computer ont...

Page 11: ... of a RS 485 system The resistors are enabled or disabled via two 3 position DIP switches located on the A1000 rear panel One three position switch enables termination resistors for the RS 485 IN HOST data lines and the other switch enables termination of the RS 485 OUT data lines The three positioned DIP switches are located to the left of each RS 485 connector on the A1000 backpanel The three po...

Page 12: ...e a resistor insert a jumper into the jack position adjacent to the resistor nomenclature written on the A2000 printed circuit board NOTE The RS 485 IN 1K and 1K jumpers should be installed when the A2000 is used as a RS 232 RS 485 converter FACTORY RS 485 TERMINATION SETTINGS A1000 300 BAUD 1K 1K on RS 485 IN RS 485 OUT connectors enabled all other switches off A2000 300 BAUD 1K 1K on RS 485 IN R...

Page 13: ...e wiring diagrams for both the A1000 and A2000 used as RS 232 RS 85 converters and RS 485 repeaters Figure 4a Wiring diagram for RS 232 RS 485 converter with host DB 9 connector Figure 4a Wiring diagram for RS 232 RS 485 converter with host DB 25 connector ...

Page 14: ...A1000 A2000 USERS MANUAL 12 Figure 4c Wiring diagram for RS 232 RS 485 converter and RS 485 repeater ...

Page 15: ... otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on human...

Page 16: ...ne Paddlewheel Systems 䡺 Totalizers Batch Controllers pH CONDUCTIVITY 䡺 pH Electrodes Testers Accessories 䡺 Benchtop Laboratory Meters 䡺 Controllers Calibrators Simulators Pumps 䡺 Industrial pH Conductivity Equipment DATA ACQUISITION 䡺 Data Acquisition Engineering Software 䡺 Communications Based Acquisition Systems 䡺 Plug in Cards for Apple IBM Compatibles 䡺 Datalogging Systems 䡺 Recorders Printer...

Reviews: