Adding secondary control using A2400 modules | Omega manual

Transparent Mode 10-6

Figure 10.5 Adding secondary control using A2400 modules.

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Omega manual Adding secondary control using A2400 modules

Contents

User’sGuide Servicing Europe Servicing North AmericaFor immediate technical or application assistance 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 Character Filter RS-485 TerminationA2400 Operation 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 $1WEF ?1 Syntax Error?1 BAD Checksum 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 1CD $1ID Tank Farm#1ID Tank Farm Read Data RD Command 01OC Response Response *01OCEDOpen Channel OC Extended Tank Farm $1RID#1RID 1RID Tank Farm 11F #1RSU $1RSU$1RSP #1RSP Response *+00100.00 Read Time Delay 1 RT1Response *1RT1+00100.00DC Read Time Delay 2 RT2 Page Page Short Prompt SP Error Messages Command 01WE Response *01WE27Address Error BAD Checksum Parity Error Command ErrorSyntax Error Value Error $1SUbyte 1byte 2byte 3byte Chapter Setup Information/SetUp CommandCommand Syntax Byte HEX Ascii Byte 1 Ascii Printable Characters Baud Rate Parity Command $1RS Response *31020102 Command $1WE Command $1RS Response *31070000Command $1WE Response Command $1SU31020000 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-485 Module is not responding to commands Chapter TroubleshootingSymptom RS-232 Module is not responding to commands Chapter Extended Addressing Command 01WE ResponseOpen/Close Channel Commands 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 Explicit Open and Close Channel Commands Command Response *01OC1D Single Command Module AddressCommand 01$1RD Response *+00100.00 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