Omega #M3350/0101 - Manuals

CN8-SW Ô UserÕs Guide iv Ó Omega Engineering 900M048U00 REVISION ÒBÓ

1-1 1. Introduction 1.1 Features 1.1.1 Transforms a PC into an Operator Station The CN8-SW software makes it easy for operators to use a personal computer to monitor networked Omega controllers. Linked to the controllers by an RS-485 network, the PC can be used to read process values, change setpoin...

CN8-SW Ô UserÕs Guide 1-2 1.1.2 Graphical Interface The CN8-SW software uses a graphical user interface and familiar point-and-click techniques. The main CN8-SW display shows PV and SP of every controller. The CN8- SW system can be set up to show all controllers on the network on a single display, o...

Introduction 1-3 1.1.3 Automated Ramp and Soak Cycles Use the CN8-SW Ramp and Soak function to configure any number of recipes consisting of any number of ramp and soak steps. These recipes are stored on the CN8-SW computer. Under the direction of CN8-SW, any controller on the network can execute yo...

CN8-SW Ô UserÕs Guide 1-4 1.1.6 Local Alarms If a controller that supports the Omega Plus Protocol is in alarm, the A1 or A2 indicator on the controllerÕs Òfront panelÓ on the main display will appear to be lit (red), matching the behavior of the A1 and A2 indicators on the controller faceplate. The...

Introduction 1-5 1.3 Overview of Setup Tasks The following tasks must be performed in this sequence to use the CN8-SW application successfully with an RS-485 network. The same basic process applies to using the CN8- SW application to communicate with a single controller over an RS-232 link. In the c...

Introduction 1-7 1.4 Overview of CN8-SW Menus 1.4.1 Availability of Functions The following tables provide an overview of the functions available on the CN8-SW menus. Not all functions are available all the time. If a function is not available, its name is displayed on the CN8-SW window in gray inst...

Introduction 1-9 C o n t r o l l e r M e n u B e f o r e y o u c a n u s e a f u n c t i o n m a r k e d w i t h a n a s t e r i s k ( * ) b e l o w , y o u m u s t s e l e c t a c o n t r o l l e r o n t h e m a i n g r a p h i c d i s p l a y ( o r t e x t v i e w ) b y u s i n g t h e l e f t b u...

Introduction 1-11 1.4.2 Menu Convention Used in This Manual The instructions in this manual use the following format to tell you to use a particular item from a menu: <menu name> | <function> . For example, to tell you to access the Alarms function on the Controller menu, the instruction...

2-1 2. Wiring the Network and Connecting the Computer 2.1 Introduction For communication to be established between the personal computer running the CN8- SW software and an Omega controller that supports Omega Plus Protocol (or the original Omega Protocol), the computer and the controller must be co...

CN8-SW Ô UserÕs Guide 2-2 2.2 Connecting Controllers and the Computer to the Network 2.2.1 Introduction The manual supplied with each controller identifies the terminals to be used for RS-232 or RS-485 communications. Consult those manuals before attempting to connect the controllers to the network....

Wiring the Network and Connecting the Computer 2-3 2.2.3 RS-485 Network If your computer is equipped with an RS-485 interface, connect to the controller network in accordance with the instructions provided with that option card. If you plan to use a serial (COM) port to connect to your network, inst...

3-1 3. Installing the Software and Logging In 3.1 Installing the Software The CN8-SW software is supplied on a 3.5 inch diskette. Before installing the software, please read the licensing agreement. Installing the software indicates that you accept the terms of the agreement. Note that registered us...

Installing the Software and Logging In 3-3 10. To close the window and exit the installation program, click on OK . 3.2 Starting the Software Start the software as you would any other installed application.

CN8-SW Ô UserÕs Guide 3-4 3.3 Logging In to CN8-SW Using the Default Account When you start the CN8-SW application, the Operator Login Window will be displayed. By default, newly installed CN8-SW software will be set up to recognize one login account. This is user ÒMULTIÓ. The password is ÒCOMMÓ. To...

Installing the Software and Logging In 3-5 3.4 Changing the Password for the Default Account The default account, MULTI, has permission to do everything, including create and delete other user accounts. Therefore, it is a good idea to immediately change the password for the MULTI account from COMM t...

CN8-SW Ô UserÕs Guide 3-6 3.5 Setting Up Operator Accounts At most sites, operators will not need permission to use all CN8-SW functions, particularly the ability to create and delete other usersÕ accounts. Therefore, it is a good idea for the CN8-SW system administrator (the person who knows the pa...

4-1 4. Establishing Communication with Controllers 4.1 Introduction Once you have connected the controllers and the computer to the network, installed the CN8-SW software, and changed the password on the MULTI login account, you are ready to establish communication between the CN8-SW computer and th...

CN8-SW Ô UserÕs Guide 4-2 4.2 Configuring Communication Parameters and Assigning Network Addresses in Controllers 4.2.1 Communication Parameters Your goal is to make sure that: · a l l t h e c o n t r o l l e r s t h a t s u p p o r t O m e g a P l u s p r o t o c o l h a v e t h e i r c o m m u n i...

Establishing Communication with Controllers 4-3 4.2.2 Network Addresses Your goal is to assign each controller on the network a unique address between 1 and 254. This can be accomplished using the buttons and display on the front panel of the controller as described in the manual supplied with each ...

CN8-SW Ô UserÕs Guide 4-4 4.3 Configuring Communication Parameters for CN8-SW System Your goal is to select the COM port to be used by the CN8-SW software. · If you do not plan to use the automatic Òfind controllersÓ option described in 4.4, then you can also specify a baud rate other than 9600 (the...

Establishing Communication with Controllers 4-5 7. If necessary, change the Timeout from the default value. The Timeout is the number of milliseconds the CN8-SW system will wait to receive a reply from a controller before giving up and moving on to the next controller. 8. When the settings are corre...

CN8-SW Ô UserÕs Guide 4-6 4.4 Recognizing Controllers with the CN8-SW Software 4.4.1 Introduction Once you have assigned a unique network address to each controller, and set communication parameters in all controllers to their defaults, and set the CN8-SW to use the desired COM port, you are ready t...

Establishing Communication with Controllers 4-7 · T h e s o f t w a r e p o l l s a d d r e s s e s 3 t h r o u g h 2 5 4 a t 9 6 0 0 b a u d . · T h e n e t w o r k i s r e a d y t o o p e r a t e a t 9 6 0 0 b a u d . To use the automatic function: 1. Make sure all the controllers are powered up. ...

CN8-SW Ô UserÕs Guide 4-8 8. Any message that can be displayed on a controllerÕs front panel will also be shown on the CN8-SW display. Operators can see at a glance if a controller is in standby or other special mode, and if the controller detects a problem such as an open sensor. If any controllers...

Establishing Communication with Controllers 4-9 To return to the graphic view, select View | Graphic . When the instructions in this manual refer to the Òmain CN8-SW windowÓ, that means the graphic view.

CN8-SW Ô UserÕs Guide 4-10 4.4.3 Manually Using the Controller Menu If you want some operators to be able to see only some of the controllers on the network, you must use the manual process described here to add the controllers one operator will see, save the configuration to an .MCS file as describ...

Establishing Communication with Controllers 4-11 4.5 Deleting a Controller Any controller can be deleted from the CN8-SW setup, regardless of whether the controller was added using the automatic process described in 4.4.1 or the manual method described in 4.4.2. To delete a controller: 1. While you ...

CN8-SW Ô UserÕs Guide 4-12 4.6 Changing Baud Rate after Communication Has Been Established You can use the CN8-SW application to change the rate of all controllers that support the Omega Plus Protocol. As soon as you change the rate, you will lose communication with the controllers. Once all the con...

Establishing Communication with Controllers 4-13 4. To select another baud rate, use the dropdown list. 5. Click on OK . The value will be sent to the controller and the window will close. (Once the value is written to the controllerÕs non-volatile memory, communication with this controller is lost ...

CN8-SW Ô UserÕs Guide 4-14 4.7 Naming Controllers By default, the CN8-SW displays use a controllerÕs address as its name. However, you can assign a more meaningful name to each device. This can be done during the manual addition process described in 4.4.3. You can also assign a name (or change the a...

Establishing Communication with Controllers 4-15 4.11 Opening an Existing .MCS File To open a different .MCS file, use File | Open (or button on the toolbar). The operating system Open window will be displayed. Use it to select the .MCS file to open.

5-1 5. Configuring Local Alarms 5.1 Introduction The CN8-SW system can use the Omega Plus Protocol to read the alarm state of any controller that supports the protocol. Therefore, if an Omega Plus controllerÕs alarm parameters have been configured and the controller has detected an alarm condition, ...

CN8-SW Ô UserÕs Guide 5-2 3. To enable local process alarm 2 (signaled using the A2 indicator on the CN8-SW display), click on the box to the left of Process Low. 4. Type in the alarm limit for each alarm. 5. Click on OK to save the changes and close the window.

6-1 6. Viewing Process Values and Changing Setpoint 6.1 Introduction For your convenience, the CN8-SW system provides several ways to view process variable and setpoint as described in 6.2 and 6.3. Any operator whose login account is configured with the appropriate privilege can use the CN8-SW syste...

CN8-SW Ô UserÕs Guide 6-2 6.2 Viewing PV and SP in the Main Window The CN8-SW system always displays process value and setpoint for every controller in the main window, either on the graphic view or the list view. The refresh rate is dependent on baud rate, the number of controllers on the network, ...

Viewing Process Values and Changing Setpoint 6-3 6.3 Viewing PV and SP in a Graph The CN8-SW system allows operators to display a trend graph showing any controllerÕs SP and PV in real-time. To view the real-time trend graph: 1. While logged in as MULTI (or another user with Controller Configuration...

CN8-SW Ô UserÕs Guide 6-4 6.4 Changing the Setpoint Using the Setpoint Dialog Box Any operator whose login account is configured with the appropriate privilege can use the CN8-SW system to change a controllerÕs setpoint. To change a controllerÕs setpoint: 1. Access the window used to change the setp...

Viewing Process Values and Changing Setpoint 6-5 6.5 Configuring and Invoking the Single-Step Ramp Function The CN8-SW system provides a method to configure the single-step ramp time. The software also provides a means to invoke this single-step Ramp to Setpoint function in those Omega controllers t...

CN8-SW Ô UserÕs Guide 6-6 To invoke the single step ramp function: 1. Select the controller by clicking on its image in the main graphic display. The border of the controller will be highlighted. 2. Select Controller | Start Recipe . 11 The function will be invoked. (If the Recipe Option is set to Ò...

7-1 7. Changing Controller Mode and Using Autotune 7.1 Introduction The CN8-SW system provides operators with an easy, reliable way of changing a controllerÕs mode without using the unitÕs front panel. This ability to change mode includes placing the controller in Autotune. Before putting a controll...

CN8-SW Ô UserÕs Guide 7-2 4. To take the controller out of the mode, select the controller again. 5. Open the Controller menu. You will see the controllerÕs current special mode checked. For example, if the controller is in Standby, then the menu will show Ö Standby. Click on the checked mode to tak...

8-1 8. Viewing and Changing Controller Configuration Parameters 8.1 Introduction The CN8-SW system permits any operator with View/Change Parameter privileges to access parameter values stored in each controllerÕs memory. The Omega Plus Protocol supports viewing and changing all parameter values over...

CN8-SW Ô UserÕs Guide 8-2 Sometimes it is possible to type a value in the CN8-SW window, but the value will not be accepted by the controller. The value will not be accepted if the controller hardware does not support use of the parameter. You will be informed by a CN8-SW message that the controller...

9-1 9. Configuring and Running Ramp and Soak Recipes 9.1 Introduction Use the CN8-SW Ramp and Soak function to configure any number of recipes consisting of any number of ramp and soak steps. These recipes are stored on the CN8-SW computer. Under the direction of CN8-SW, any controller on the networ...

Configuring and Running Ramp and Soak Recipes 9-9 9.4 Configuring Controller Ramp and Soak Parameters To configure a recipe using the recipe parameters of Omega Plus controllers which support this function: 1. While logged in as MULTI (or another user with View/Change Parameter privileges), select t...

CN8-SW Ô UserÕs Guide 9-10 4. To enable Multi-Step Ramp, click on the white dot (Òradio buttonÓ) next to it. A black dot in the circle indicates that the function has been selected. The gray values in the Multi-Step Ramp panel, and in the the Holdback Band, Termination State, and Repeats entry boxes...

CN8-SW Ô UserÕs Guide 9-12 9.5 Running Controller Ramp and Soak Cycles To run a multi-step ramp and soak recipe based on the values stored in the controller: 1. Select the controller by clicking on its image in the main graphic display. The border of the controller will be highlighted. 2. Select Con...

10-1 10. Storing and Loading Controller Configurations 10.1 Introduction All the configuration parameter values stored in non-volatile memory in a controller that supports Omega Plus Protocol can be saved to the PC and loaded to the same or different controllers. Backing up a unique controller confi...

CN8-SW Ô UserÕs Guide 10-2 10.2 Storing Configuration To save an Omega Plus controllerÕs configuration on the CN8-SW computer: 1. While logged in as MULTI (or another user with View/Change Parameter privileges), select the controller by clicking on it in the main graphic display. 2. To display the p...

Storing and Loading Controller Configurations 10-3 4. To save the parameter set in a .PRF file, click on Save As . The Save Parameter Set window will open. Use it to enter a filename (with a .PRF file extension) and to specify a destination directory. (To save the parameter set to a file with the sa...

CN8-SW Ô UserÕs Guide 10-4 10.3 Loading Configuration To save an Omega Plus controllerÕs configuration on the CN8-SW computer: 1. While logged in as MULTI (or another user with View/Change Parameter privileges), select the controller by clicking on it in the main graphic display. 2. To display the p...

Storing and Loading Controller Configurations 10-5 4. To load a parameter set to the selected controller, click on Load . The Open Parameter Set window will open. 5. Select the name of the .PRF file to be loaded to the controller and click on OK . The parameter values stored in the file will be writ...

11-1 11. Logging PV and SP Values 11.1 Introduction The CN8-SW application supports optional logging of SP and PV values for all controllers at configurable intervals. Logs are saved in ASCII text files with comma-separated-value format. These files can be viewed, printed, and manipulated with other...

CN8-SW Ô UserÕs Guide 11-2 5. To append new data to the old file, click on Yes . To overwrite the old file, click on No. This will result in the old data being lost. 11.3 Viewing and Printing Log Files The log files are ASCII text file with comma-separated values. To view and print the files, use an...