User’sGuide | Omega A2400 instruction

MADE IN

User’sGuide

Shop online at

omega.com e-mail: info@omega.com For latest product manuals: omegamanual.info

A2400 Series

Radio Modem Module

Image 1

Omega A2400 manual User’sGuide

Contents

User’sGuide For immediate technical or application assistance Servicing North AmericaServicing Europe Omega Engineering ONE Omega Drive Revised 4/17/95BOX STAMFORD, CT Phone 1-800-DAS-IEEE Table of Contents Introduction Chapter Getting Started Leased Lines System Overview +99999.99 $1RD Default Mode Page Chapter Functional Description Block Diagram Functional Description Pinout A2400 Operation RS-485 TerminationCharacter Filter Page Programmable Delay Times Page Chapter Communications Command $1RD Response *+99999.99 DO, OC, CC, RD, REA, RID, RLP, RS, RSP, RSU Communication DATA+ RS-485 Multidrop SystemPage Command Structure Chapter A2400 Command Set Write Protection Data StructureMiscellaneous Protocol Notes Response Structure Long Form Responses Command Checksum ?1 BAD Checksum ?1 Syntax Error$1WEF A2400 User Commands RT3 A2400 Command Set Command 01CC Response Response *01CC11 Digital Output do Command DescriptionsCommand $1DO01 Response Command #1DO01 Response *1DO014F Closed Channel CC Extended Extended Address EA Command $1DO00 Response Command #1DO00 Response *1DO004E #1ID Tank Farm $1ID Tank Farm1ID Tank Farm 1CD Open Channel OC Extended Command 01OC Response Response *01OCEDRead Data RD Tank Farm $1RID#1RID 1RID Tank Farm 11F #1RSU $1RSU$1RSP #1RSP Response *1RT1+00100.00DC Read Time Delay 2 RT2 Read Time Delay 1 RT1Response *+00100.00 Page Page Short Prompt SP Error Messages Command 01WE Response *01WE27Address Error BAD Checksum Parity Error Command ErrorSyntax Error Value Error Command Syntax Chapter Setup Information/SetUp Command$1SUbyte 1byte 2byte 3byte Byte HEX Ascii Byte 1 Ascii Printable Characters Baud Rate Parity Command $1WE Response Command $1SU31020000 Command $1RS Response *31070000Command $1RS Response *31020102 Command $1WE Bit Command $1RR ResponseByte 2 Linefeed, Parity and Baud Rate Baud Normal addressing Chapter Delay Time Programming Delay Time Programming Page Command $1RT1 Response *+00100.00 Command $1T3+00050.00 Set T3 to 50 ms Response Chapter Power Supply Symptom RS-232 Module is not responding to commands Chapter TroubleshootingSymptom RS-485 Module is not responding to commands Open/Close Channel Commands Command 01WE ResponseChapter Extended Addressing Typical system overview Command $1RD Response +00100.00 Typical $2RD +00123.45 Command 01OC ResponseCommand 01CC Response Command 02OC Response Extended Address Syntax Structured Addressing Implied CC Command OC and CC Command FormatsImplied OC Command Command Response Command 01$1RD Response *+00100.00 Command Response *01OC1D Single Command Module AddressExplicit Open and Close Channel Commands Command 02OC Response 02OC1E ‘1E’ is the checksum Command 01CC Response 01CC11 ‘11’ is the checksum Transparent Mode Functions Chapter Transparent Mode A2400 interfacing a PLC to a leased-line modem A2400 networking several RS-232 devices to a host computer A2400 interfacing a laboratory instrument with modules Transparent Mode Adding secondary control using A2400 modules Transparent Mode WARRANTY/DISCLAIMER Shop online at omega.com