Omega CN8260 - Manuals - manualsarea.com

Page 2 - Servicing North America:

CN8240 & CN8260 Series Communications & Options i It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGA is constantly pursuing certification of its products to the European New Approach Directives. OMEGA will add the CE mark to every appropri...

Page 3 - ii; Table of Contents; operator’s manual supplied with your controller.; Option Wiring Diagrams

CN8240 & CN8260 Series Communications & Options ii Table of Contents For information and instructions related to basic operations, refer to the CN8240/CN8260 operator’s manual supplied with your controller. Option Wiring Diagrams Alarm Output . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 4 - *Connect load and supply voltage per the following table:; Alarm Output; Communications

1 2 3 1 1 12 13 23 24 RCV B(-) XMT A(+) SIG GND SIG GND RS 232 RS 485 RCV XMT SIG GND CN8240 & CN8260 Series Communications & Options 1 Option -C2: RS-232 (one-to-one) Communications Option Description: Provides a one-to-one connection between the controller and an RS-232 port. Computers, PL...

Page 5 - Transducer

CN8240 & CN8260 Series Communications & Options 2 RS-485 Communications 1 2 3 1 1 12 13 14 23 24 4 RCV B(-) XMT A(+) SIG GND SIG GND RS 232 RS 485 Option Description: Provides one-to-many communications. Terminate the controller furthest from the computer by either connecting a 120-ohm, 1/4-...

Page 6 - Process Output; Remote

Option Description: Remote setpoints use either voltage or current inputs, depending on the specified option:Option -DIC: Switch Input ClosedOption -RSP4: 0-5 VdcOption -RSP5: 1-5 VdcOption -RSP6: 0-20 mAOption -RSP7: 4-20 mA The input signal is scalable in the Remote Analog Setpoint Menu. Activatio...

Page 7 - Controllers; with; Digital

CN8240 & CN8260 Series Communications & Options 4 CN8240/CN8260 Series Controllers with Digital Communications Option omega.com ® ® 10002 Athena Omega:900M124U00.qxd 5/13/08 2:39 PM Page 7

Page 8 - Remote Communications Options

CN8240 & CN8260 Series Communications & Options 5 Digital Communications Option This method allows bidirectional data transfer via a three-conductor cable consisting of signal ground, receive inputand transmit output. It is recommended for communication distances less than 50 feet between th...

Page 9 - Message Formats

Message Code Value = Decimal Value 00 0 + 0 = 00 99 90 + 9 = 99 A0 100 + 0 = 100 A2 100 + 2 = 102 B8 110 + 8 = 118 P5 250 + 5 = 255 CN8240 & CN8260 Series Communications & Options 6 Omega+ Protocol The Omega+ Protocol provides an easy way to query and modify controller parameters using a per...

Page 10 - Type; PARAM

CN8240 & CN8260 Series Communications & Options 7 TYPE character Message Type R Read Request or ReadResponse Returning a Positive Result r Read Response Returning a Negative Result W Write Positive Value Request and Response w Write Negative Value Request and Response A Auxiliary Command Dig...

Page 11 - CHKSUM

CN8240 & CN8260 Series Communications & Options 8 Digital Communications Option Numeric Value ASCII Representation 3 3.0000000003003.00 100 100.000100.0000100 3.2 003.200003.2 Examples of valid numeric representations for a 6 character data field: Numeric Value Bad ASCII Representation Why? ...

Page 12 - WRITE

CN8240 & CN8260 Series Communications & Options 9 READ RESPONSE FROM CONTROLLER READ COMMAND TO CONTROLLER Controller ID Read Command Checksum Start of Message Zone Number Parameter Number End of Message $0101R01B7<CR> Controller ID Read Command Data Checksum Start of Message Zone Numb...

Page 16 - The Auxiliary Command Request:

CN8240 & CN8260 Series Communications & Options 13 Request Message Description $Ø1Ø1AØ1XXXXXXXXXXL2<CR> Tell controller #1 to load all parameters with their defaults. The 10 X’s are padding characters. $Ø2Ø1AØ2ØØØ1.ØØØØØ69<CR> Tell controller #2 to perform a low RTD calibration. ...

Page 18 - The Auxiliary Command Response:

CN8240 & CN8260 Series Communications & Options 15 Request Message Description %Ø1Ø1AØ1ØXXXXXXXXXXØ4<CR> Default load all parameters has started. %Ø2Ø1AØ2ØØ.ØØØØØØØØB6<CR> RTD low calibration on controller #2 has started. END CHARCHKSUMDATASTATUSPARAMTYPEZONEIDSTART CHAR Digital ...

Page 27 - Notes

CN8240 & CN8260 Series Communications & Options 24 Notes 10002 Athena Omega:900M124U00.qxd 5/13/08 2:39 PM Page 27

Page 30 - WARRANTY / DISCLAIMER; RETURN REQUESTS / INQUIRIES

FOR WARRANTY RETURNS, please have the following information available BEFORE contacting OMEGA: 1. Purchase Order number under which the product was PURCHASED, 2. Model and serial number of the product under warranty, and 3. Repair instructions and/or specific problems relative to the product. FOR NO...