Omega Engineering Omega CN8240 User Manual

CN8240 & CN8260 Series Communications & Optionswww.omega.com e-mail: [email protected]®®CN8240 &CN8260SERIESCommunications &Opt

CN8240 & CN8260 Series Communications & Options7TYPE character Message TypeR Read Request or ReadResponse Returning a Positive Resultr Read Re

CN8240 & CN8260 Series Communications & Options8Digital Communications OptionNumeric Value ASCII Representation3 3.0000000003003.00100 100.000

CN8240 & CN8260 Series Communications & Options9READ RESPONSE FROM CONTROLLERREAD COMMAND TO CONTROLLERController IDRead CommandChecksumStart

CN8240 & CN8260 Series Communications & Options10WRITE RESPONSE FROM CONTROLLERController IDWrite CommandNo ErrorChecksumStart of MessageZone

CN8240 & CN8260 Series Communications & Options11Digital Communications OptionThe Read Request:The Read Request is used to query parameter val

Request Message Description$Ø1Ø1WØ91Ø.123G7<CR> Change both the RAM and EEPROM copies of Setpoint #1 in controller #1 to the value of 10.123$Ø1Ø

CN8240 & CN8260 Series Communications & Options13Request Message Description$Ø1Ø1AØ1XXXXXXXXXXL2<CR> Tell controller #1 to load all para

CN8240 & CN8260 Series Communications & Options14Request Message Description%Ø1Ø1RØ5Ø21.123K8<CR> The value of the Process Variable is 2

CN8240 & CN8260 Series Communications & Options15Request Message Description%Ø1Ø1AØ1ØXXXXXXXXXXØ4<CR> Default load all parameters has st

CN8240 & CN8260 Series Communications & Options16Digital Communications OptionTable 1. ContinuedNumber Name Read Write Data Field Value5 Proce

CN8240 & CN8260 Series Communications & OptionsiIt is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that app

CN8240 & CN8260 Series Communications & Options17Digital Communications OptionTable 1. ContinuedNumber Name Read Write Data Field Value39 Auto

CN8240 & CN8260 Series Communications & Options18Digital Communications OptionTable 1. ContinuedNumber Name Read Write Data Field Value92 Inpu

CN8240 & CN8260 Series Communications & Options19Digital Communications OptionTable 1. ContinuedNumber Name Read Write Data Field ValueA2 Outp

CN8240 & CN8260 Series Communications & Options20Digital Communications OptionTable 1. ContinuedNumber Name Read Write Data Field ValueD0 Alar

CN8240 & CN8260 Series Communications & Options21Digital Communications OptionTable 1. ContinuedNumber Name Read Write Data Field ValueF6 High

CN8240 & CN8260 Series Communications & Options22Auxiliary Commands:Command: Load Parameter DefaultsParameter #: 01Description Restore all men

CN8240 & CN8260 Series Communications & Options23Request Data Fields: A 10-character ASCII representation of a numeric value specifying what t

CN8240 & CN8260 Series Communications & Options24Notes10002 Athena Omega:900M124U00.qxd 5/13/08 2:39 PM Page 27

CN8240 & CN8260 Series Communications & Options25Notes10002 Athena Omega:900M124U00.qxd 5/13/08 2:39 PM Page 28

CN8240 & CN8260 Series Communications & Options26Notes10002 Athena Omega:900M124U00.qxd 5/13/08 2:39 PM Page 29

CN8240 & CN8260 Series Communications & OptionsiiTable of ContentsFor information and instructions related to basic operations, refer to the C

FOR WARRANTY RETURNS, please have thefollowing information available BEFORE contactingOMEGA:1. Purchase Order number under which the product wa

Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course!900M124U00BTEMPERATURE– Thermocouple, RTD & Thermistor Prob

1231112132324RCVB(-)XMTA(+)SIG GNDSIG GNDRS 232RS 485RCV XMT SIG GNDCN8240 & CN8260 Series Communications & Options1Option -C2: RS-232 (on

CN8240 & CN8260 Series Communications & Options2RS-485Communications1231112131423244RCVB(-)XMTA(+)SIG GNDSIG GNDRS 232RS 485Option Description

Option Description: Remote setpoints use either voltage or current inputs, depending on the specified option:Option -DIC: Switch Input ClosedOptio

CN8240 & CN8260 Series Communications & Options4CN8240/CN8260 SeriesControllerswithDigitalCommunicationsOptionomega.com®®10002 Athena Omega:90

CN8240 & CN8260 Series Communications & Options5Digital Communications OptionThis method allows bidirectional data transfer via a three-conduc

Message Code Value = Decimal Value00 0 + 0 = 0099 90 + 9 = 99A0 100 + 0 = 100A2 100 + 2 = 102B8 110 + 8 = 118P5 250 + 5 = 255CN8240 & CN8260 Serie