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Black Box GEH-6510 Network Card User Manual

1. 2 0 lt Select the register type from the Select Register Type pull down list The Modbus Register Types shown are determined by the function codes selected previously The four types of register groups that support some of the Modbus function codes are RO R1 R3 R4 The table below describes the types registers supported codes and uses 05 Setting forcing executing coils i 15 Setting forcing multiple coils Contacts or discrete 02 Reading inputs contact discrete inputs Actual value or input 04 Reading actual value register or input registers Setpoint or holding 03 Reading setpoint or register holding registers Setpoint or holding Presetting single register setpoint register i 16 Setpoint or holding Presetting multiple register registers You will need the device s Modbus RTU protocol specification for the correct codes to add or delete Click OK to accept your new register group the Register Group dialog box is displayed for you to finish defining the characteristics of the new register group 70 e Chapter Six Advanced Options DDE Server User s Guide DDE Server User s Guide Register Group EventBuffer Address Format C Hexadecimal Group Start Address Invalid Registers 2768 From Group End Address 2794 Poll Speed Add Hodiy i Fast Poll Delete C Slow Poll Poll Once cos seo The PMCS DDE Server supports both decimal and hexadecimal add
2. Devices for display Register groups for display Command ails Commnets5 tat Dynamic alueR egisteraroup Fined alue Setpoint Line ovrlo Add Device Delete Clear Display This menu option clears the DDE Server main window screen 38 e Chapter Four Menus and Toolbars DDE Server User s Guide Save Display To File Selecting this menu option saves the I O traffic buffer to a file You are prompted to enter the file name to which the buffer 1s to be stored The default file name is iotraffic txt Port Statistics This menu option displays the number of data packets transmitted number of time outs number of CRC errors and number of retransmits for all active comm ports It is used for debugging communications problems The Port Statistics window is shown below Port Statistics LOM THEO Pkts 0 RASED Pkts 0 CAC Errors 0 Timeout Errors 0 Port Errors 0 Configuration Baud rate 19200 Parity None Stop bit 1 Flow control Mone COMSS TXED Pkte 2316 AXED Pkts 2376 CAC Errors 0 Timeout Errors 0 Port Errors O Configuration Baud rate 19200 Parity None Stop bit 1 Flow control None Save to File Click the Save to File button to save the Port Statistics log to a text file The default name is portstat txt Click close to shut the Port Statistics window Configuration Selecting View Configuration allows read only access to the DDE Server s current
3. POWER LEADER PMCS Network and Device Configurator DDE Server User s Guide GEH 6510 GE Power Management Control System 6 11a DDE Server User s Guide e i Notice The information contained in this document is subject to change without notice GE makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose GE shall not be liable for errors contained herein or incidental consequential damages in connection with the furnishing performance or use of this material This document contains proprietary information which is protected by copyright All rights are reserved No part of this document may be photocopied or otherwise reproduced without consent of GE Copyright 2001 2002 by GE Published in a limited copyright sense and all rights including trade secrets are reserved Document Edition First 4 96 Second 4 97 Third 1 98 Fourth 5 98 Fifth 4 99 Sixth 7 99 Seventh 3 00 Eighth 10 00 Ninth 02 01 Tenth 06 01 Eleventh 07 01 Twelfth 01 02 Thirteenth 03 02 The following are products of General Electric Company POWER LEADER Meter POWER LEADER Modbus Monitor POWER LEADER Electronic Power Meter Spectra MicroVersaTrip Enhanced MicroVersaTrip C Enhanced MicroVersaTrip D MDP Overcurrent Relay Spectra Electronic Control Module Universal Relay devices 369 Motor Management Relay GE Zenith MX200
4. The RMS data file has been deleted since the Server started Restart the Server The Server will create a new RMS data file during startup 64 e Chapter Five Troubleshooting DDE Server User s Guide This page left blank intentionally DDE Server User s Guide Chapter Five Troubleshooting e 65 Chapter Six Advanced Options Warning CAUTION For advanced users only These advanced options are for experts only Do not attempt these actions if you are not sure of what you are doing it is possible to render your PMCS DDE Server inoperable forcing you to reinstall 1t and potentially lose your device configurations Please read all instructions before attempting any advanced configuration The information contained in this section applies to two types of devices e the broadly defined generic devices that must be completely defined by the user e the highly flexible GE Fanuc PLC family of products The GE Fanuc PLC 90 70 PLC 90 30 and Micro90 PLC consist of a backplane to which may be attached a wide variety of modules with a broad range of functions from metering and data collection to process control Because these devices are so flexible and there is no way to predict the options that will be chosen by the end user they must be configured in the same manner as a generic device Device Type Information Adding Generic Devices The PMCS DDE Server is pre configured to support the POWER LEADER family of power man
5. s Guide Add sModify irtual Port Fa Virtual Port Gateway IP Address AS 485 Port Cancel 3 46 24 85 ie CE Cd Enter the IP Address of the Ethernet Gateway that houses the physical RS 485 port you re associating with your virtual port Next enter the number of the Gateway RS 485 port to be associated with your virtual port Last enter any notes you may wish to associate with this virtual port such as devices that may be attached to 1t or its physical location for future reference or troubleshooting NOTE The communication parameters such as baud rate for each actual RS 485 port configured as a virtual port must be entered at the Ethernet Gateway refer to GEH 6505 Ethernet Gateway Users Guide With the exception of the Ports dialog boxes and some information in the Trouble Shooting section the Ethernet version of the PMCS DDE Server software is functionally identical to the Modbus version EPM 7700 Xpress Card or XPLEX 1620 Max Server Users If your host software 1s running on an Ethernet based PC you may be using a special hardware gateway to communicate to your RS 485 ports This extra layer of hardware entails some minor differences in the configuration software specifically in the Ports dialog boxes These differences are explained below Clicking on the Ports button in the Ethernet version of the software displays a slightly different Port Configuration dialog box DDE Server User s Gu
6. Device Types 3 A x Note Only expenenced users should change these parameters Configured Device Types F200P_S300P_5350P Cancel Help Mnemonics Register Map EPMS4500 Delete EPM S650 Function Codes ZC RIO C Default Device Type Enter Device Type Mame Add Default Type Add Default Type Delete DDE Server User s Guide Add Default Type Entering the name of a new device type in the Enter Device Type Name box enables the Add Default Type button Names may be up to 20 alphanumeric characters long and cannot include embedded spaces or special characters such as 4 Click on this button to add your new device type You will need to do further configuration after creating a new device type See the Register Map section for details on defining the device type s register map The standard device types may not be deleted so this button is grayed when a standard device type is selected Only generic user defined device types may be deleted Select a user defined device type and click Delete to delete that device type Chapter Six Advanced Options e 67 Function Codes 68 e Chapter Six Advanced Options Click on this button to attach or detach function codes to a device type You will need the device s Modbus RTU protocol specification to know the correct codes to add for the new device type Clicking this button displays the Modbus Function Codes dialog b
7. E Dl a Configure Generic COM Interface Date Mag Modbus packet Configuration Operational Parameters Device Type Info Close and Restart Server 14 e Chapter Three Getting Started DDE Server User s Guide DDE Server User s Guide We want to configure communication ports so click on the Ports button This brings up the Communication Port Configuration dialog box Communication Port Configuration COM Port com Parameters Parity C Even C Odd f None Stop Bits fe 1 2 Baud Hate comal Hop Step 2 Select the communication port to configure from the Com Port pull down list at the top of the dialog box Step 3 Select the appropriate radio button for each of the communication settings Parity Stop Bits and Baud Rate The default settings are shown Typically only the baud rate need be changed to match the baud rate of the devices connected to the comm port The rest of the communication settings are fairly standard Refer to the user manuals of the individual devices to be sure the communication settings match Step 4 Click on OK we re back at the Configure dialog box That s it you now know how to configure a communication port Go ahead and configure any other communication ports that will be used following the procedure above Hint You don t need to leave the Communication Port Configuration dialog box to configure multiple ports Select a port f
8. PMCS DDE Server continues to monitor the requested data at the assigned scan interval and updates the client if the data changes Activate a client application and initiate a DDE request for data see the client application documentation for instructions to ensure that the Server is running correctly Chapter Three Getting Started e 21 When the Server is in Run mode the Suspend Protocol menu item is available Suspend Protocol permits you to pause the operation of the Server without breaking the DDE links established by client applications You might wish to do this to scroll back up the communication log display for trouble shooting purposes Suspend Protocol does not allow you to enter Configure mode or make any changes to the operational parameters of the Server whereas the Stop command breaks the DDE links and allows configuration of the Server To take the Server off line for additional configuration or diagnostics click the Stop button on the Toolbar or select Stop from the Server menu NOTE Selecting the Stop command will attempt to stop the DDE Server but if there are active DDE links with client applications the Server displays a message that these links are present and the Server cannot be stopped until you have closed any active links from client applications Switch to any active client applications close active links then return to the Server and select Stop again Displaying I O Traffic When the Server is busy c
9. X is inserted prior to the address number to indicate that the address following is in hexadecimal format The R character is ALWAYS present Items in lt gt represent a variable numeric value Capital letters in brackets indicate a hard character that does not change it is either present or not Lower case letters in brackets indicate switches that may or may not be present refer to the following sections for details The basic addressing scheme is as follows X indicates a address is R indicates a Register hexadecimal If the X is not address follows present the address Is read as decimal R lt f gt lt X nnnn gt f indicates the S nnnn is the actual address register type Four characters are required so leading zeroes must be used if necessary For example the correct syntax is 0025 rather than 25 Switches may be used to modify addresses The possible switches are shown below and are detailed in the following sections 80 e Appendix A Register Addressing Conventions DDE Server User s Guide b represents the reading of individual bits Not present if reading whole registers or an array of registers See the following section Individual Bits in Registers for details t represents the type of data if there are any special conventions See the following section Special Naming Conventions for details R lt f gt lt X nnnn gt t A 111 b Ill provides the length of
10. and the program files will not appear in the Windows Start menu By default they will be configured to launch automatically and in the correct sequence when the computer is turned on PMCS components must be setup to start in the following sequence DDE server s followed by Waveform servers if installed and finally the EventServer if installed The PMCS installation program configures dependencies among the PMCS applications to ensure the correct startup sequence and configures the components to automatically start What s on the DDE Server Screen Now that the software is up and running you should find yourself looking at the PMCS DDE Server main window Server View Configure Reports Help Date Time Port Topic Mag Modbus packet esgbecezO0Ol 15 35 56 Server started This main window is your initial view of the program It offers two sets of navigational and operational controls the menu bar and the tool bar e Menu bar Located directly beneath the window s title bar You can access these pull down items with the mouse or by mnemonic keystrokes 12 e Chapter Three Getting Started DDE Server User s Guide e Toolbar Located beneath the menu bar These control buttons provide point and click access to commonly used controls These controls are discussed in more detail in the following sections Where applicable Help icons appear below the cursor and in the status line box at the bottom of the main w
11. It communicates directly with other PMCS applications such as third party HMI tools Event Logger or Waveform Capture Module to form a powerful and flexible power management system The PMCS DDE Server acts as the bridge between Modbus RTU or Ethernet power management networks and DDE compliant software applications for display analysis and control The PMCS DDE Server application program is named GE32MODB RS 485 Modbus RTU version GE32MTCP TCP IP Modbus version and GE32EIND RS 485 EI Protocol version The PMCS DDE Server is easy to use It provides a Windows graphical user interface with a toolbar and pull down menus for quick and easy device definition configuration I O display and report generation The DDE Server supports both DDE for sharing data with applications on the same computer and NetDDE for sharing data with other computers in a local area network LAN El User s only EI is the acronym for Electro Industries a communications serial protocol that allows the user to talk to the El Devices The PMCS EI Server application program is named GE32EIND Serial EI Protocol Special Note This server supports only two devices for time being they are EPM7430D and EPM7450D Server with OPC Interfaces DDEServer supports OPC interfaces PMCS clients such as WFServer EventServer are not OPC compliant These servers can be used with third party software clients which are OPC compliant To install the PMCS DDE Serve
12. Ports Settings for Virtual Port IP Address Gateway Com Port Moa Me The Ethernet version of the software also supports up to 256 RS 485 ports however in contrast to the Modbus version of the software the RS 485 ports are located off board on one or more Ethernet Gateways Each Gateway supports up to eight RS 485 ports and the Server supports up 32 Ethernet Gateways hence the 256 RS 485 port limit Because the ports are not part of the host PC hardware they are considered virtual ports A virtual port refers to a single RS 485 port on a particular Ethernet Gateway The Configured Virtual Ports box lists all the virtual ports available to be configured with proper Ethernet addressing information and RS 485 port number The virtual ports are named NetCOM1 through NetCOM256 these names cannot be altered Click the Add button to create a new configuration for one of the virtual ports To change the characteristics of a previously configured port select it and click Modify Select an existing port and click Delete to delete the configuration information for a virtual port Clicking on Add displays the Add Virtual Port dialog box shown below Clicking on Modify brings up the same dialog box with the selected port s characteristics displayed for your review and or modification Also the Virtual Port selection pull down list is disabled in the Modify command 42 e Chapter Four Menus and Toolbars DDE Server User
13. RS 485 Modbus RTU based host PC other versions run on Ethernet TCP IP based host PCs The power management devices supported by PMCS are Modbus based or commnet devices integrated with Modbus via the POWER LEADER Modbus Concentrator Subsequently the two PMCS DDE Servers are Modbus based and one is EI protocol based The two versions permit PMCS communications to Modbus based devices using 1 RS 485 or an Ethernet EPM 7700 Xpress card or XPLEX 1620 Max Server and 2 Modbus TCP IP and one version on EI protocol based devices using RS 485 An illustration of the three versions is shown in the following figures lobie Pr TEPI Bard Pt re FES MODE PICS DOE LE r Figure 1 PMCS DDE Server Modbus RS485 and TCP IP configurations DDE Server User s Guide Chapter Two Overview e 7 8 e Chapter Two Overview Figure 2 PMCS DDE Server El Protocol RS 485 configurations The differences between the three versions of the Server are minor and except where noted the software is functionally identical The Modbus host version of the PMCS DDE Server is the focus in this document differences in the TCP IP versions are noted when present The Modbus version of the server may be used to service local RS 485 ports directly from the host PC as well as remote serial ports accessed via the Ethernet Gateway over TCP IP communications Another variant of the DDE server works in the same way as the Modbus RS 485 DDE server on EI Proto
14. Size Minimize Port Topic Mag Modbus packet Server started O Maximize X Close Alt F4 O DDE Server User s Guide Chapter Four Menus and Toolbars e 33 Server Menu Run Stop 34 e Chapter Four Menus and Toolbars The Server pull down menu is shown below Descriptions of the Server options follow AB GE32MODB DDE Server GES2MOD6 CFG Server View Configure Reports Help de ala AE stop Port Topic Mag Modbus packet Suspend Protocol Server started Print 1 Traffic Exit gt Toil NOTE The Server automatically goes into Run mode when the application 1s started Run mode and Configure mode are mutually exclusive 1 e selecting Run disables the Configure menu until Stop is selected Similarly when the Server is Stopped the View menu is disabled until Run is again selected Run puts the PMCS DDE Server into action ready to answer requests for data from client applications Clicking this menu item brings the server on line with the available configuration You must configure the server before 1t can be run or a client requests data from it Configuration is a one time process changes may be made later The configuration information is saved to disk and loaded each time the Server is run You cannot configure the Server while it is running Choose Run to disable the Configure menu item and enable the View menu This action also enables the Suspend Pro
15. The Send and Receive portions of the window enable you to transmit and receive messages to and from a selected port To use the Generic Communications feature 1 Use the Modbus CRC fields to calculate the CRC on your character string 2 Enter your character string followed by the CRC in the Byte String field as shown in the example above 3 Select a port to transmit on and a port to receive on in the TX Port and RX Port fields WOTE these may be the same port 4 Ifnecessary verify the port properties for both the Transmit and Receive ports are set correctly by clicking on the TX Port Settings and RX Port Settings buttons A sample ComPort Settings dialog is shown below 50 e Chapter Four Menus and Toolbars DDE Server User s Guide DDE Server User s Guide ComPort Settings E Baud Aate 5200 Data Bits fe Parity None C Shop Bits i Cancel 5 If desired set the Timeout value 6 Select the Modbus Packet button to format your message The Modbus Packet window allows you to format a Modbus packet automatically Select a slave address function code and start address If you are transmitting a Read message complete the End Address No of Regs Field clicking in the check box and entering the End Address or Number of Registers being sent If you are transmitting a write message the Write Data field will be enabled Enter the data to be written in decimal format separated by spaces Click O
16. The valid range for scan interval is 1 to 9999999 scan intervals less than 100 milliseconds are usually impossible due to network timing constraints Clicking OK accepts the entries and returns to the Device Configuration dialog box Modify Select the device topic to be modified and click the Modify button The Modify Device Configuration dialog box will appear The options and fields in this dialog box are similar to those in the Add Device Configuration dialog box Make any necessary modifications and click on the OK button The modified information is reflected in the Device Configuration dialog box Delete To delete a device topic select it and click on this button Activate checkbox At the bottom right of the Device Configuration dialog box you ll notice a check box labeled Activate This box provides a one step way to turn a device on or off at the Server Make sure this box is checked for each device devices which are not Activated will not communicate with the Server Conversely for troubleshooting purposes you can use this checkbox to quickly take a device off line Device Type Information CAUTION Advanced users only Do not access this option unless you have studied Chapter 6 and are sure of what you are doing Misuse of this option may cause errors or malfunction of the Server See Chapter 6 of the GEH 6510 PMCS DDE Server User s Guide for information on this option Operational Parameters CAUTION Adva
17. This is specific to the hardware gateway configuration and determines which gateway serial port that Modbus messages will be routed to In the example graphic 7802 indicates the COM2 serial port on an EPM 7700 Xpress Card Cancel LE Help l Click OK to accept the settings and return to the main server configuration dialog Modbus TCP IP Server Users If your host software is running on an Ethernet based PC you may use the PMCS Modbus TCP IP DDE Server software application to communicate directly to devices that are compatible with the Modicon Modbus TCP IP standard This communication server entails some special configuration specifically in the Ports dialog boxes These differences are explained below Clicking on the Ports button in the GE32MTCP version of the software displays a Port Configuration dialog box DDE Server User s Guide Chapter Four Menus and Toolbars e 45 Port Configuration Configured Virtual Ports Settings for Virtual Port MetCOM1 IF ddress 3 209 76 50 Hotes Modify Delete UE Cancel Help The Configured Virtual Ports box lists all the ports available to be configured with proper Ethernet addressing information Each port represents a physical device on the Ethernet network The ports are named NetCOM1 through NetCOM256 these names cannot be altered To change the characteristics of a previously configured port select it and click Modify Select an exis
18. boxes These differences are explained below Clicking on the Ports button in the GE32MTCP version of the software displays a Port Configuration dialog box Chapter Three Getting Started e 17 Port Configuration Configured Virtual Ports Settings for Virtual Port MetCOM1 IF ddress 3 209 76 50 Hotes Modify Delete UE Cancel Help The Configured Virtual Ports box lists all the ports available to be configured with proper Ethernet addressing information Each port represents a physical device on the Ethernet network The ports are named NetCOM1 through NetCOM256 these names cannot be altered To change the characteristics of a previously configured port select it and click Modify Select an existing port and click Delete to delete the configuration information for a virtual port Clicking on Add displays the Add Virtual Port dialog box shown below Clicking on Modify brings up the same dialog box with the selected port s characteristics displayed for your review and or modification Also the Virtual Port selection pull down list is disabled in the Modify command Add Modifs irtual Port Virtual Port NetCOM1 xl Gateway IF Address 3 208 1 6 50 Cancel Po Notes E Help 18 e Chapter Three Getting Started DDE Server User s Guide Type a valid IP address into the IP Address field This is the network address of the device to which you are assigni
19. configuration the same dialog you access via the Configure menu item without having to stop the Server s operation first You may examine the settings but you may not make any changes To make changes to a configuration setting you must first stop the Server and then select the Configure menu item Configure Menu The Configure pull down menu is shown below DDE Server User s Guide Chapter Four Menus and Toolbars e 39 E GE32MODB DDE Server GES2MOD6 CFG Server VIEW Configure Reports Help EE Dl T Configure Generic COM Interface Date 10 x BRER Mag Modbus packet gt ear scr There are two options available from the Configure menu Configure and Generic COM Interface Configure Selecting this option brings up the Configuration dialog box Configuration Operational Parameters Device Type Into Close and Restart Server Ports Modbus or El Note for Ethernet users only Skip this section and refer to the Ports Ethernet section immediately following for details on the Ports option in the Ethernet software The Modbus version of the PMCS DDE Server supports up to 256 communication ports Pressing the Ports button displays the Communication Port Configuration dialog box 40 e Chapter Four Menus and Toolbars DDE Server User s Guide DDE Server User s Guide Communication Port Configuration COM First select the communica
20. host PC The consequence of this is that if a new user account is created and the user logs on with the new account the shares will not be trusted and requests from remote clients will be rejected by the NetDDE share manager The NetDDE share utility addresses this problem by automatically trusting the share for the current user The PMCS installer program places a shortcut to the VNDDE EXE utility in the Windows 2000 SP2 All Users Start Menu gt Programs gt Startup so that the utility will run automatically each time a user logs in The utility The utility s file name is VNDDE EXE and it should be located in directory c ge_pmces tools It is an NT 2000 command prompt application and executes in a DOS command window There aren t any command line parameters When this utility is executed if the shares do not exist they are created and the message Added Share GE32MODB or Added share GE32MTCP or Added share GE32EIND is displayed For the script to create a share the current user must have Administrator level privileges If the shares exist but are not trusted to the current user they are changed to trusted and the message Trusted share GE32MODB or Trusted share GE32MTCP or Trusted share GE32EIND is displayed Any user is allowed to trust a share regardless of privilege level If the shares already exist and are trusted the utility does nothing No message is displayed Chapter Three Getting Started e 25 Results
21. run even when the machine 1s logged off 2 A measure of enhanced security is provided since the ability to stop and start applications is restricted to users with Administrator level privileges When installed as NT Services PMCS Servers can only be started or stopped using Windows 2000 SP2 s Services control panel Typically the applications launch when the system is powered up and continue to run behind the scenes until stopped by an Administrator or the machine is shut down All the usual ways such as the Close button in the upper right corner of the window and the File Exit command to exit the programs are disabled when run as a Service If you wish to run the PMCS DDE Server as an NT Service this option must be selected during the PMCS installation See GEH 6514 Read This Book First for InTouch and DEH 211 Read This Book First for Cimplicity It should be noted however that not all HMI software 1s fully compatible with NetDDE when running as an NT Service please check the PMCS software Release Notes for details Chapter One Introduction e 5 Chapter Two Overview About PMCS GE s Power Management Control System consists of four basic parts the power management devices the network connecting the devices to the host the PMCS DDE Server software and the client applications This section provides an overview of the parts and their functions Three versions of the PMCS DDE Server are available one version runs on an
22. topic gt lt toolkit id gt gt 0 The Server is unable to initiate a DDE transaction with the topic The possible causes are The topic is not configured on the Server Configure the topic in the Server The communication port associated with the topic could not be opened or initialized properly In this case the Server displays communication port related error messages just preceding this error message in WWLogger The device type of the topic is not configured Configure the topic s Generic Device Type in the Server Exception Response Error Code lt exception code gt lt exception code string gt A slave device returned an exception code to a request from the Server Following are the common exceptions Illegal Function The function code sent by the Server is not supported by the slave device Illegal Data Address The data address requested by the Server is not supported by the slave device Illegal Data Value The data value sent by the Server for a Holding register or a Coil is not a proper value for the particular register Slave Device Failure A slave device has detected an internal failure Failure in Associated Device An external device connected to the slave device has failed and the data requested cannot be sent The Chapter Five Troubleshooting e 61 Server logs this error and continues with the next packet of data to the same device e Acknowledge The slave device has a
23. wish to see data from is Active The Activate checkbox in the Server s Device Configuration dialog box determines whether client software can see the device or not Devices whose Activate checkbox is empty will not be available to client programs Communications Server to Device This section addresses communications between the PMCS DDE Server and a device When attempting to establish communication if no data appears in the client s window check the WWLogger for error messages For example one of the most common error messages is TIME OUT COMn DeviceName This message indicates a problem between the Server and a device on comm port n named DeviceName In most cases either the Server is not communicating through the communication port or the device is not responding First ensure that the RS 485 communication port configured for use with the topic matches the physical port the device is connected to Second check for other programs that may be accessing the port such as other DDE Servers or terminal monitors Shut down any such programs Third verify that the communication port is operating correctly in Windows If the communications port is not operating correctly the WWLogger may show a message Unable to Open Port To verify that the communication port is working properly in Windows shut down the Server and start the Windows Terminal program Configure the Terminal program to use the same communication port and s
24. with S data items nor are ASCII strings supported for coil registers NOTE 2 For 16 bit mode devices most devices there are 2 characters per register For 32 bit mode devices there are 4 characters per register NOTE 3 The maximum value for the S string is 250 82 e Appendix A Register Addressing Conventions DDE Server User s Guide DDE Server User s Guide Individual Bits In Registers Individual bits in registers are read only They can be read as discrete integer tags by using the following notation explained beneath nnnn is the actual address Four indi l characters are required so leading X indi n r i evs dicates an address Is zeroes must be used if necessary ie Le x H e For example the correct syntax is 0025 rather than 25 R indicates a Register address follows e D lt f gt lt XInnnn gt DL CS f indicates the B indicates the register type A aine bit number D stands for Discrete type da the specific ong ro t requested Examples Register Represents CTI EURE 0 Specifies least significant bit of first holding register R30008D1 15 15 Specifies most significant bit of an input register R40001D2 5 Specifies 6 and 7 from the least significant bit of first holding register Appendix A Register Addressing Conventions e 83 Register Array Format If multiple data items are being requested from a single topic it is more efficient to request a block of contiguo
25. 7 A arta Res nates ae Cr ni atte ORE ENED Ee OE NI an Te tr eee OE Pr 7 NSS ves ot e edo cn 9 E E OPEREN 10 PMES DDE SGN ios 10 C Henr Applications siamo a eel ld heer Atal eet acer 10 ASA Lo a stearic A A mes iodt 10 Chapter Three Getting Started 11 A PP O 11 istmo COnN UA NES A de da NE en de 11 Comm nication POS ita 11 Device COn TAO ia ali 11 Launchinethe Prora a sete te ni si ahs ce aca a i ch ce a toe thc 12 What s on tne DIES USES A tes 12 ME Rd de 13 Menu Conventions indiennes 13 Configuring Communication Ports nn nn nn et don 14 CONE GUI Re ICE eco et ed ele 19 A A etets teaehea 2 21 DiSpl vine O Trate das 22 N tDDE Sei Gun es ST nn 24 Automatic NetD DE Setup VUNDDE EXE dde 25 Manual NetDDE AA ee ne an de oo 27 Chapter Four Menus and Toolbars 33 DDE Server User s Guide SSI a add 33 SOLE MIS AAA AAA 34 RU ee sn Et de nn Ris AS 34 O A RM 34 Suspend Protocol Resume Protocol 35 Prw VOTTA ese ee a Oe vo Pr Oe 35 Foi A ATE ciate a oath amine iat 35 NO MAC de a D tn 35 MA RU A 36 Cleat Display A a es 38 Save Display PO File nd eat 39 POL SIATIS CSSS SR A Pc rad de eco nd eee eee 39 G76 a 94 01 521110 eee e A 39 OAT ur Mean kc tint ee ea ease a nan eee 39 EP eee ree A er ae 40 GENCE O A e e PRES ro ou 50 AS A A IA 52 Conn ULA O A dal nt 52 A a e o Cometic 52 FCI MIA A N AO 53 o O SU E A 53 Chapter Five Troubleshooting 54 Trouble Shooting the PMCS DDE Server 54 O IE E de E le
26. Cancel configure one or more comm ports according to the procedures described earlier then return to this procedure Device Type Select the Device Type from this list Slave Add fi Enter the Slave address assigned to the device in this field On a single RS 485 network all addresses must be unique though it is acceptable to have devices with the same address if they are on different RS 485 networks For example Network 1 Device 1 is recognized as different from Network 2 Device 1 The device addresses must fall into the following ranges e POWER LEADER Modbus Concentrators must have addresses in the range 32 e Commnet devices must have addresses in the range 33 247 e Modbus devices other than the Modbus Concentrator may have addresses in the range 1 247 For details on addressing requirements refer to GEH 6502 PMCS Network Architecture Guide 48 e Chapter Four Menus and Toolbars DDE Server User s Guide 5 caninterval foo In msec 1000 Enter the scan interval to be assigned to the device default is 1000 The scan interval is the target time in milliseconds at which the current device will be scanned it is the scan time which could be achieved under optimal circumstances This will vary greatly from network to network depending upon the number and type of devices being managed the amount of data being requested by the client applications and even the architecture of the network itself
27. Conventions e 81 Examples Here are some examples of different types of register numbers Register Represents number R00005 Coil command number 5 with Read Write access to the user R31005 Dynamic value number 1005 Read Only access R43010 Fixed value or Setpoint number 3010 with Read Write access to the user Special Naming Conventions Special handling of data from devices can be done by using the following conventions Long Words and Special Numbers By default a register 1tem is treated as an unsigned integer To treat the contents of any register differently refer to the table below Special Data Item Naming Convention Example 16 bit Signed Integers with Append letter I to item number R400011 values between 32 768 and 32 767 32 bit Signed Integers Append L to item number R40001L Long Integers 32 bit floating point numbers Append F to item number R40001F Modulus 10000 Append E to the item name R40010E Used in 32 bit register mode NOTE See 3710 and 3720 ACM Modbus Protocol Manuals for for EPM 3710 and 3720 details ASCII data string Append S to item number R40010S020 lll field immediately after S character represents the number of characters to read If no length is specified 1M1 field is not provided only one register of characters 2 or 4 will be read The High byte represents the first character and the Low byte represents the second character NOTE No array type is allowed
28. D Standard Message PURPLE Background Background This option allows you to change the background color of the screen where the messages are displayed Add Device Add Device Click this button to add devices to the Devices for Display list The I O Traffic Display Select Device dialog box 1s displayed 10 Traffic Display Select Device Cancel ade Help DDE Server User s Guide Chapter Four Menus and Toolbars e 37 All the currently active devices are displayed in the Device List box Select any of the devices for traffic display by highlighting the device and selecting the OK button or by double clicking on the device name Hint Multiple devices may be selected from this list Hold down the shift key and click as many devices as you like then click OK Delete Clicking this button removes the selected device from the Devices for Display list Register groups for display When you select a device in the Devices for Display list box that device s register groups appear in the Register groups for display list box To select a register group for display click once on 1t to highlight 1t Click a highlighted group again to deselect it and return it to non displayed Note The GE32EIND user will not have these register groups and the corresponding button will get disabled 1 0 Traffic Display E Ea Display f Enabled Color Background C Disabled Device Selection
29. DE Server before starting any client software If a client attempts to establish a link with a Server that is not running an error message will result When an error message 1s displayed note the information shown in the error message You can often determine the source of the error message from the message itself usually an application that is not running or a topic that is not properly configured Below are several situations that will cause a DDE conversation error message to appear 1 The DDE Server application is not running You can verify this by opening the Windows Task List press Shift Ctrl Esc keys and checking the list of currently running applications for the Server 2 The Server s program name is misspelled in the DDE Access Name definition The Server is running but its name is misspelled in one or more DDE Access Name definitions The name entered in the DDE Access Name definition must be the DDE Server s actual program name less the exe extension as seen in the Windows File Manager If the name is misspelled the Server will not be found 3 The topic is not defined in the Server or it is misspelled The Server may be functioning properly but if a client requests data from a topic that doesn t exist an error is generated 4 The mnemonic or register address is not defined in the Server or it is misspelled The Server may be functioning properly but if a client requests data from a mnemonic or register addres
30. E OUT lt comm port gt lt device name gt The Server timed out for a query to the slave device This can happen under various conditions Topic configuration has the wrong port configured for the device The slave address configured for the topic 1s not correct The communication time out value is set too low on the Server Check the value set for Communication time out entry of the GE32MODB INI file Values less than 2000 milliseconds are not recommended The port configuration for the device does not match the port configuration at the Server Wrong baud rate wrong stop bits wrong number of bits wrong parity etc The device and the Host PC are not connected properly Check the RS 485 network connections Excess noise on the RS 485 network Devices may not be receiving Server query packets properly Some devices may require a certain idle time on the RS 485 network If the Server s protocol timer tick value is set too low then such devices may give frequent time out errors For currently supported devices on Server version 6 0xxx timer tick values less than 65 milliseconds are not recommended Unable to free topic hLogDev lt logical device handle gt Internal error for the Server Please contact Customer Support according to the information in the GEH 6514 PMCS Read This Book First for Intouch and DEH 211 PMCS Read This Book First for Cimplicity guide Unable to open RMS data file for rewriting RMS data
31. I used VNDDE EXE to set up my shares but now I want to modify some share settings If I run VNDDE EXE again will it overwrite my changes Solution No VNDDE EXE first checks to see if the share exists If it exists VNDDE EXE does not modify any settings If it does not exist it is created Additional Help Refer to the Help files on NetDDE or the Microsoft KnowledgeBase for more information on NetDDE Manual NetDDE Setup The DDE Share tool must be used to manually set up the DDE Server for sharing data across a network DDE Share is a tool for managing DDE conversations over a network With DDE Share you can create modify and delete DDE shares so applications on one computer can share data with applications on other computers You can also define security restrictions on DDE shares Follow the procedure outlined below to manually set up NetDDE 1 On the Server computer run DDESHARE EXE usually found in winnt system32 ddeshare exe You can do this directly from the Start menu select Run then type ddeshare and click OK as shown in the dialog box below Run HE Type the name of a program folder or document and Windows will open it for you Oper ddeshard i Fun in Seperate Memon Space Cancel Browse 2 Select DDE Shares from Shares menu DDE Server User s Guide Chapter Three Getting Started e 27 Ej DDE Share on 44 EDCGE DDE Shares Trusted Shares Select Computer Exit 3
32. K to close the dialog box Modbus Packet x Slave Address z Function Code 4 Cancel Start Address 1000 W Check If no of Regs being entered End Address No of Regs E NOTE Give the values 0 65535 to be written separated by spaces Each value will be written in one register Write data 7 When you are ready to send your message select Send The message is sent out on the Transmit port and the Receive port begins listening for a response If the Receiving port does not receive a response within the Timeout value a Timeout error message is displayed If response is received the received byte sequence is displayed Chapter Four Menus and Toolbars e 51 Reports Menu The Reports pull down menu is shown below Descriptions of the reports options follow The options available on this menu permit several kinds of reports to be generated and saved as txt files on disk for viewing and printing The Reports menu 1s always available the Server need not be stopped to run a report EGE32H0DB DDE Server GE32MO0DB _cfg Server View Configure Maule x 1 M z Configuration j e l e E T A Date Time Configuration Selecting this option generates a report on the current configuration of the Server The report 1s saved as a text file containing the following information e configured device types with the mnemonic list function codes added and register groups e config
33. Microprocessor Controller EPM5350P DMMS350 EPM7430D EPM7450D Futura Power Quality Meter PQM 239 Motor Protection Relay 269 Plus Motor Management Relay SR469 Motor Management Relay SR489 Generator Management Relay 565 Feeder Management Relay 735 Feeder Relay SR745 Transformer Management Relay SR750 Feeder Management Relay SR760 Feeder Management Relay Motor Manager IT MMII GE Zenith Generator PLC Series 90 70 EPM5000P DMWH300 GE Fanuc Series 90 30 PLC GE Fanuc Series 90 70 PLC GE Fanuc MicroPLC EPM 3710 Electronic Power Meter EPM 3720 Electronic Power Meter EPM 7300 Electronic Power Meter EPM 7700 Electronic Power Meter EPM5300P DMMS300 EPM5200P DMMS425 EPM9450Q EPM9650Q Nexus 1250 EPM7330 Electronic Power Meter Multilin 269 Motor Management Relay is a registered trademark of Multilin Inc and Multilin SR489 Generator Management Relay and Multilin SR745 Transformer Management Relay are trademarks of Multilin Inc Microsoft Microsoft Excel and Microsoft PowerPoint are registered trademarks and Windows 2000 SP2 is a trademark of Microsoft Corporation US Pat Nos 5 768 148 5 764 155 5 862 391 DDE Server User s Guide Back to Main Menu Contents Chapter One Introduction 1 We CO POSE COLE RR a a a oo io l AO A E E A S E eee en 2 RADOU NODDE RS E di a Mt ae 2 About the PMCS DDE SEINE SR A ne 3 alla iia 3 Running PMCS DDE Serveras an NP Service ad 5 Chapter Two Overview
34. Obviously this can be of tremendous value for trouble shooting purposes The messages tracked by WWLogger describe the application and topic or device that caused a given error This information can then be used to diagnose and correct the cause of the error If you are experiencing trouble launch WWLogger and attempt to reproduce the error condition You can then use the error messages displayed by WWLogger to troubleshoot your problem Error messages that may be encountered in the WWLogger are listed at the end of this chapter in the section titled Error Messages 54 e Chapter Five Troubleshooting DDE Server User s Guide Communications Client to Server DDE Server User s Guide This section explains the most common error situations that can occur when attempting to establish DDE conversations between client applications and the PMCS DDE Server When a client requires the status of a DDE item it opens a link with the PMCS DDE Server and requests the data The DDE Server collects the data from the device and returns it to the client application it also begins monitoring the data and advises the client whenever the data item changes The DDE Server automatically handles all ofthe messages to and from the device The client application simply tells the DDE Server what register coil number or I O point to read or write The DDE Server then automatically updates the client upon any change of that data value Always start the D
35. PC and on networked PCs The PMCS DDE Server keeps track of the devices attached to the PMCS networks listens for requests for data from client applications and at specified intervals polls the requested data from the appropriate devices and reports it back to the clients The Server does not continuously poll all data from each device unless it is told to do so to do this would require enormous network bandwidth and result in degraded performance Instead the PMCS DDE Server retrieves only the specific data that client applications have requested Client Applications What s Next 10 e Chapter Two Overview Client applications request specific data from the PMCS DDE Server and then provide calculations trending and display of the data on screen and or printer Various client applications are available to serve different needs Event Logger Waveform Capture and Cost Allocation are just a few of the applications that are fully optimized for PMCS Any DDE compliant application can request data from the PMCS DDE Server by initiating a conversation with the server and providing the correct information phrased in DDE format 1 e what data from which device A common example of a DDE compliant application used to analyze data from the PMCS DDE Server is Microsoft Excel which provides data manipulation and analysis tools However any DDE compliant application may retrieve from the PMCS DDE Server For instance a presen
36. TCP IP version GE32EIND Application name for DDE Server Electro Industries Serial Protocol version Generic Device A user defined device type that is not pre configured for support by the PMCS DDE Server The user must supply the associated register map communications parameters function codes etc PLCs due to their highly flexible nature are included in this device type Invalid Register Block A range of register addresses within a register block that the PMCS DDE Server has been instructed not to scan These may be addresses unused by the device itself or simply registers in which the user is not interested Item A name to identify the data in which communicating parties are interested For the DDE Server an item is the desired data point Mnemonic Easily remembered name or string of characters representing the item register address assigned by the user to make using the software easier NetDDE Acronym for Network Dynamic Data Exchange a message protocol that allows Windows applications to exchange data with one another across a network With regard to PMCS it means that the PMCS DDE Server could be located on one machine and be accessed by client software programs on other machines on a network Polling Continuous scheduled acquisition of data The DDE Server s scanning of devices to satisfy client s DDE requests Glossary of Terms e 87 88 e Glossary of Terms Protocol Timer Tick The ti
37. TION Changing the Server operational parameters can adversely affect the Server s performance If you are unsure of how to adjust any of these settings consult Customer Support before making any changes PMCS DDE Server ini File DDE Server User s Guide The application program s ini file contains several lines that may be modified by knowledgeable and qualified personnel to fine tune performance of an individual network Do not modify these items unless you are experienced with the PMCS DDE Server NOTE Back up the application s current ini file before attempting any of these modifications Open the application s ini file with Windows Notepad This file is named GE32MODB ini for the Modbus RTU version or GE32EIND ini or GE32MTCP ini for the Ethernet version of the software and is located in the Windows 2000 SP2 directory The parameters are grouped by subject Server Operational Parameters GE32MODB or GE32EIND or GE32MTCP Port Settings etc Look for the GE32MODB or GE32MTCP group depending on whether you ve got a Modbus based system or an Ethernet based system and locate the following line items Communication Time out When the Server receives a request for data from a client 1t sends a request for data to the appropriate device The communication time out is the length of time in milliseconds that the Server will wait for a reply after sending a message to a device If a reply is not received i
38. The DDE Shares dialog box shows the available DDE Shares DDE Shares DDE Shares DE CLPBES Hearts Cancel Add a Share Properties Delete Share Oo K Cancel _AddaShare _Prpsniss _Delete Share _IutShae Trust Share Click the Add a Share button to add a share name 4 Inthe DDE Share Properties dialog box shown below enter the share name as GE32MODB or GE32MTCP or GE32EIND 28 e Chapter Three Getting Started DDE Server User s Guide DDE Share Properties Share Name GES2MODeF Application Name Topic Mame Old Style JGEs2MUD6 Po New Style PO o Static PO Pl Use to indicate all topics M Allow start application D js service EE AAA AA ER ER oo f Grant access to all items C Grant access only to these items Item Permissions Help Enter the Old Style Application Name as GE32MODB or GE32MTCP GE32EIND and the Topic Name as Leave the New Style and Static text fields blank Check the Allow start application checkbox and select the Grant access to all items radio button 5 Click on the Permissions push button The Permissions dialog box 1s displayed DDE Share Name Permissions DDE Share Name GESZMODB Owner Administrators Full Control Full Control Type of Access MERS Cancel Add Remove Help DDE Server User s Guide Chapter Three Getting Started e 29 Select Everyone and
39. Tick set Increase the PTT from 30 to a higher value multiples too low of 10 only one step at a time 1 e 40 50 60 Communication Time out Check that the Communication Time out value is set value set too low correctly default is 2000 milliseconds Client application times out while Valid Data Time out set Increase Valid Data Time out value Should be around setting up DDE link or receives too low 5000 milliseconds 5 sec for most networks negative acknowledgment FNAME on Excel spreadsheet client Item name is incorrect Check for precise spelling and correct mnemonic application Make sure device is not deactivated N A on Excel spreadsheet client Data is currently Server may be down suspended or stopped or port application unavailable may be suspended Data request may not yet have been processed Printing I O traffic output is Server is too involved with Suspend Protocol then print compressed and illegible processing traffic to print correctly Printing I O traffic whole I O traffic Server printing limitations Suspend Protocol then save I O traffic to a file and buffer does not print were exceeded print the file from the Windows Notepad accessory or a word processor Error Messages This section provides descriptions of the error messages which may be generated by the PMCS DDE Server These messages are logged in the WWLogger An additional list of error messages specific to the Ethernet based ho
40. To check the results of running the utility use the Microsoft DDE Share tool DDESHARE EXE which should be located in the winnt system32 directory Three shares will be created GE32MODB GE32EIND and GE32MTCP A fourth share WFSERVER is created if you have installed the PMCS Waveform Capture application Refer to GEH 6511 the PMCS Waveform Capture User s Guide for details The shares are set up identically The Application name is GE32xxxx in the Old Style field The topic is Item security grants access to all items For permissions members of the Administrators group and the Everyone group are given Full Control access The trust has the following options enabled e Start Application Enable e Initiate to Application Enable e Cmd Show Override with the value of 2 The Cmd Show Override value can be set to 0 1 or 2 to cause the server to start up in either a hidden normal or minimized window respectively In addition to these two more shares are created if the EPM7700 components and Eventlogger are installed with PMCS These shares are GE77GTWY and EVENTLOG Tips on using VNDDE EXE The utility can be used in two ways It can be run once for each user or it can be included in each user s logon script Once a user is logged on it can be executed from a command prompt Putting it in the user s logon script has the advantage that the share is guaranteed to exist and to be functioning after each logon To create a lo
41. agement devices as well as a variety of third party devices However you may add additional kinds of devices by creating your own device type These generic devices have the register maps and functions that you assign as explained in this section The generic device type does not support the use of the DDE Server s special device handling such as automatic time synchronization waveform capability or event handling The procedure for adding a generic device is as follows The details of each option mentioned are provided after the procedure Remember that the Server must be stopped before you can do any configuration Step 1 Select the Device Type Info option from the Configuration menu to display the Device Types dialog box shown below Step 2 Enter the name for your new generic device in the field at the bottom of the dialog box The field is labeled Enter Device Type Name Click the Add Default Type button to add the new device type to the list of Configured Device Types 66 e Chapter Six Advanced Options DDE Server User s Guide Step 3 Next select the generic device from the Configured Device Types list and click the Function Codes button to add the functions codes supported by this device type Setting up the register groups for a device type 1s mandatory you may also enter an optional mnemonic list To do this you ll need to have on hand a complete protocol reference for the device before proceeding
42. ages with the current device name Device is either not configured or is deactivated Stop the DDE Server Check View Configuration Devicelnfo DevieName Add the device name if not present or activate by enabling the check box Is the device present Yes Make sure spelling is correct No Check if the device is activated Note the port number Stop DDE Server and add device No Check WWLogger for any messages for that port Yes A third party application is using the port Close the application and restart the client The DDE Server accepted the link and is trying to collect data Check WWLogger No or the display for timeouts on that device Server is busy collecting data for other devices Yes Wait a few seconds Communication Problems Check the following Modbus Address Baudrate on the port Cables Is the comm port connected If using Port Server check for network problems Device specific settings Check if the mnemonic is present in the Server No You have the wrong configuration file Close all applications and restart them Check to see if the problem still exists Yes 58 e Chapter Five Troubleshooting DDE Server User s Guide Trouble Shooting Chart The following table lists a variety of common problems possible causes and recommended solutions Many device time out errors Protocol Timer
43. ates Unknown error from OpenComm lt error code gt Try restarting the Server RegFormat Name is INVALID The register name either as mnemonic equivalent or as item name is not valid Retrieve command time not occurred lt device name gt This error occurs when the Waveform client sends the RetrieveWFC command very soon after it has sent the Trigger WFC command Introduce a small delay approx 5 seconds before issuing the RetrieveWFC command to the Server This will allow the device to collect waveform data properly RetrieveWFR Got out of range values for depth range is 1 3 DDE Server User s Guide Chapter Five Troubleshooting e 63 The Waveform Client has passed an out of range value for the PML3720 waveform recorder depth parameter Valid values are 1 2 or 3 The device type lt device type name gt is NOT a valid type for topic The Server detected an unconfigured device type for a topic being created Possible reasons are The lt device type name gt has been deleted from the device type configuration file GE32MODB CFG Reconfigure the device type that generated the error or 1f you intend to remove all the devices of that particular type go to device topic configuration and remove all the topics with this device type NOTE This applies to generic devices only GE32MODB INI entry DocFile points to an incorrect device type configuration file Enter the correct path to the configuration file TIM
44. ay Enabled radio button and then click Close The I O traffic to and from the specified device should now be displayed on the screen The Register Groups selection list the right hand list box from the I O Traffic Display dialog box shows all the available register groups for the device highlighted Chapter Three Getting Started e 23 NetDDE Setup 24 e Chapter Three Getting Started in the Devices for Display list at the left Simply click on a register group to select 1t for display Clicking on a selected group deselects it LO Traffic Display xj Display Color Background Enabled C Disabled Device Selection Devices for display Register groups for display Command ails CommnetS tat Dynamic alueR egisteraroup Fitted alue T imeD ownloadF er Add Device Delete You ve completed configuring the PMCS DDE Server started its operations and are viewing some data on the screen You should now be conversant with the Server s major menu items You can minimize the application and let it run in the background the DDE Server should require no interaction once it is properly configured For more advanced use study Chapter 4 Menus and Toolbars which goes into detail on each menu and all available options PMCS requires NetDDE to be able to share information with other PC s NetDDE extends the DDE data sharing capabilities to allow a client application on one machine to reques
45. ccepted the request and is processing it but will require a long time to do so This response is returned by some of the slave devices to prevent a time out error at the Server The Server notes the device as sleeping and waits for its response rather than requerying the device The length of time in milliseconds the Server waits for the response is referred to as the elapsed retry time This parameter is set in the Server s ini file When the elapsed retry time has passed the Server will resume sending packets to the device e Slave Device Busy A slave device is busy processing internal computations This message is similar to Acknowledge above The Server marks the device as sleeping and will not transmit packets of data to the device until the elapsed retry time has passed e Negative Acknowledge A slave device cannot perform the program function in the query An example might be a circuit breaker in local control mode when the Server attempts to exercise an on off command The device will not permit remote control to override local control and will reply a Negative Acknowledge e Memory Parity Error The slave attempted to read extended memory but detected a parity error in the memory e Unknown Error Code The slave device has returned an unknown error code Check the slave device manual for explanations of device specific exception codes Failed to activate item lt logical device handle gt lt Proto
46. cheme which looks at topics at particular addresses A topic consists of a user specified device name port number address and device type and information on how often it is to be scanned While there is usually just a single topic per device it is possible to have multiple topics obtaining data from the same device Why would you want to do this This feature offers the ability to scan different data from the same device at different intervals For example suppose you want to scan a set of registers at one device every 1000 milliseconds while for other registers a 5000 millisecond scan is adequate In this case you could set up two separate topics each addressed to the same device but set to scan at different scan intervals Device Mame Topic Enter a name for the device This will be the topic name referenced from client applications This name must be unique must begin with an alphabetic character be no more than 20 characters long 8 characters if used with a third party HMI client Only alphanumeric characters and underscores are permitted the topic name cannot include spaces or special characters such as 2 4 Com Port Click on the down arrow key to select the communication port Only configured ports are listed in the comm port list box a device cannot be assigned to an unconfigured port NOTE If no comm ports have been configured the Device Configuration dialog box is not displayed You must select
47. ck on line Reducing this value devotes more time to scanning dead devices for recovery which means that less time is available to scan live devices Increasing this value means that devices that may have recovered and come back on line may not be scanned in time to respond to a client s request for data The default Dead Device Scan Interval is 120 000 milliseconds SleepTime For Exception 5 SleepTime For Exception 6 Occasionally when a power management device is performing a very processor intensive computation the device will reply to queries from the DDE Server with an exception code of Acknowledge or Slave Device Busy These exception codes can be roughly interpreted as a message from the device saying Give me a moment to finish what I m doing and then I can help you The SleepTime for Exception X is the length of time in milliseconds that the Server will allow a device to complete its tasks before the Server again begins processing packets addressed to that device The count begins from the time the Server receives the exception code SleepTime values are supported for Exception Code 5 Acknowledge and for Exception Code 6 Slave Device Busy The default value for both SleepTime parameters is 1000 milliseconds When a device responds with Exception 5 Acknowledge it is essentially saying I have received and accepted the command now give me some time to go and execute it The Server will allow the SleepTime interva
48. client application s request for kilowatt hours at North Meter into a request sent to that specific device for the contents of a specific register the client doesn t need to know which register contains what information merely what information is needed from which device The PMCS DDE Server takes care of the details and after a request for data has been placed the Server continues to monitor that data from the particular device updating the client application with any changes to the data The register maps of the POWER LEADER family of devices and a variety of other devices are pre configured in the Server If you wish to use a device whose register map is not pre configured you need to supply the appropriate register information to the Server so it will know where in the device s memory to get the information you are requesting We ll refer to these as generic devices since we don t know what they might be Defining new device types is detailed in Chapter 6 Advanced Options Chapter Two Overview e 9 Networks The network consists of an interface at the host PC and the cables connecting the various devices to the host There are physical requirements and limitations to the networks which are explained in GEH 6502 POWER LEADER Network Architecture Guide PMCS DDE Server The PMCS DDE Server has two basic functions it collects data from attached devices and it provides data to client applications both on the host
49. col In the interest of brevity we ll refer to the PMCS Network and Device Configurator with DDE Server as the PMCS DDE Server or simply the Server be aware that this document describes only the PMCS DDE Server The information herein is not intended to apply to other DDE servers DDE Server User s Guide Devices DDE Server User s Guide Power management devices are primarily measurement devices they measure a wide variety of power related data or control data describing what is happening at a device This data can be read remotely over a network by power management software such as the PMCS DDE Server The data read by these devices is stored in registers which are special defined spots in the device s memory A list of these registers and their contents is called a register map Figure 3 is an illustration of a register map A client sends a request to the Server for data from a particular device The Server knows the register map of the device and requests the register block containing the requested data POWER LEADER EPM Register Map DDE client application Current Phase A Voltage Phase A ___ PMCS Enhanced MicroVersaTrip Register Map DDE Server DDE client application Ground Fault Trips Count __ Number of Operations ____ Figure 3 Sample register map The register maps for each device are programmed into the PMCS DDE Server The Server is then able to transform a
50. col Handle gt gt 0 Server internal error Please contact Customer Support Failed to create item lt logical device handle gt lt toolkit handle gt lt item name gt Possible causes are e The item name is not spelled correctly on the client e The item register s is are not configured in any of the register groups of the device type Check the device type s register group configuration e Ifthe item name uses a mnemonic convention then the mnemonic is not defined on the Server Check the device type s mnemonic configuration Failed to deactivate item lt logical device handle gt lt Protocol Handle gt Server internal error Please contact Customer Support Failed to delete item lt logical device handle gt lt Protocol Handle gt Server internal error Please contact Customer Support Initialization failed for lt comm port gt The Server failed to open the communication port Possible causes of this error are 62 e Chapter Five Troubleshooting DDE Server User s Guide The communication port does not exist on the PC running the DDE Server Reconfigure topics that are configured with this port to another port This problem may be caused by improper configuration of the RS 485 card driver 1f you are using some special multiport card Please refer to the card driver s configuration manual The port is already being used by another application Close any other applications on the machine and restart
51. de 54 Communications Client to Server sin ei EAA aE E A 55 Communications Server 10 Device a e 56 ING EE TOU DICH NGO CAS aia esos recut es te 57 Trouble Shooting Flowchart nnnnnnnnnnneneeeeeneeeeeeeeeeeeseeseeseessssessssessssssssssssssssssssssssssssssssssssss 58 Trouble Shootine Charts ene lea a ana al aiie 59 Emor Messages ja A o Ii Ra 59 Chapter Six Advanced Options 66 Warmin ot oes fected ace a a acted a saca daa nade dau dnd aaaaeemaeaaan seeds 66 Device Type Information Adding Generic Devices ooccccccnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnos 66 Add De amie DG ah O de ie 67 AR AA nee O ee are eer re Rae ee eee 67 Foncion CodeS arant a a a eee eS 68 Gn A rie lati ha as A eth 69 INV TES HOMO SE ae ese eect ee tn ee An 74 Optimizing Server Performance 76 Server OperationalP rameters sn inner 76 PM SIDDE Server ini Pile see e e de edo 77 Appendix A Register Addressing Conventions 80 Data Addr ssine Conventions 4 c0ciced Aun ea ee A OR ee rose teses 80 Standard Data as 81 Special Naming Convenios 82 R sister Aray PO tds 84 Glossary of Terms 87 Terms You Should KNOW at 87 Index 89 iv e DDE Server User s Guide This page left blank intentionally DDE Server User s Guide Chapter One Introduction Welcome The PMCS Network and Device Configurator with DDE Server 1s the heart of a POWER LEADER Power Management Control System PMCS a tool that helps you inc
52. e any View Nodes can access data A user may or may not be able to create and trust shares depending on their user level at the host PC if they log in as a guest they won t have sufficient access privileges to create and trust shares If this sounds intimidating don t worry To make setting up NetDDE quick and easy PMCS has an automatic configuration utility If you prefer a more hands on approach see the directions for manually configuring NetDDE s shares and trusts following the Automatic Setup instructions Automatic NetDDE Setup VNDDE EXE DDE Server User s Guide The NetDDE Share Utility WNDDE EXE automates the process of setting up shares on Windows 2000 SP2 It is recommended over the manual process for speed and ease of use Overview The NetDDE share utility was created to simplify creation of DDE shares on Windows 2000 SP2 This utility automatically checks to see if a share exists for the DDE Server If the share already exists it is automatically trusted If no share exists the utility creates a DDE share for each version of the GE PMCS DDE Server it doesn t matter which version is installed on the host PC and then trusts the share The share has default properties that allow it to operate without additional setup You can modify the share s properties once it is created but you shouldn t need to in most cases As mentioned previously once a share is created it must be trusted by each user of the
53. eck that you have the correct GE32MODB CFG file Could not open RMS data file lt file name gt The data file to store MicroVersaTrip device Peak Demand computation parameters could not be opened by the Server as defined in GE32MODB INI The ini file entry may be wrong or the file may have been deleted Comport lt comm port gt is not configured cannot close Server internal error Please contact Customer Support This error cannot occur if the Server is functioning properly This error indicates corruption of the internal data structures COM lt n gt lt device name gt Slave Address Error The Server polled one Modbus address and got a response from some other address This condition does not occur if all the devices on network are behaving correctly CPML3720WFCReg OnRetrieveWFR Invalid BufferNo An incorrect buffer number was passed by the Waveform Client in the RetrieveWFR DDE Execute command Please contact Customer Support CRC ERROR lt comm port gt lt device name gt The Server received a response from a slave with a CRC error If there are frequent CRC errors some possible causes are e Excess noise on the RS 485 network Device responses are corrupted by noise e Some devices may require a certain idle time on the RS 485 network If the Server s protocol timer tick value is set too low then such devices may give frequent CRC errors For currently supported devices timer tick values less than 30 mi
54. er s operation When the Server is running this button Suspends the Server VO traffic Displays I O Traffic Display dialog box display Clear current I O Clears the screen of any I O traffic being displayed traffic display Save display data Saves the contents of the display data in a text file in text file Print I O traffic Prints the I O traffic display buffer to the currently selected display buffer printer Exit DDE Server Exits DDE Server Table 1 Toolbar Icons DDE Server User s Guide Chapter Four Menus and Toolbars e 53 Chapter Five Troubleshooting Trouble Shooting the PMCS DDE Server This section provides you with some simple steps that can be taken to isolate and correct communication problems The problems described here represent the most probable causes of communication failure NOTE This is a general trouble shooting guide it does not cover every possible source of conflict If you still cannot establish communications after reading this section call the GE Resolution Center at 1 888 GE RESOLV WWLogger WWLogger is a software application that is included with the PMCS installation It is installed with Wonderware Intouch and is found in the lt INTOUCH gt Common directory and can be used for diagnostics purposes It is installed with PMCS Cimpliciy version in GE PMCS Server The WWLogger application tracks all error messages generated by DDE communications or Server to device communications
55. er Every tick the Server executes a function whether it is to listen at a particular port or to send a message to a device The default is 65 milliseconds At values below this level the Server may query devices too quickly for the devices to consistently answer correctly The Protocol Timer Tick is the resolution of the scan interval increasing this value slows down the Server but may improve communication reliability Decreasing this value reduces communication reliability but may slightly speed up data refresh rates If you are not sure how to adjust this value for your network leave it set at 65 msec NOTE 10 msec is the minimum value for this setting Valid Data Time out A client application sends a request for data to the PMCS DDE Server The Valid Data Time out is the time in milliseconds that elapses before a time out error message is sent to the client that requested the data The default number in this field is 5000 5 seconds If no reply is sent from the Server to the client in this length of time a time out error message 1s sent instead 76 e Chapter Six Advanced Options DDE Server User s Guide When either the Protocol Timer Tick or the Valid Data Time out fields have been changed the OK button is enabled It is disabled until any changes are made Click on this button to accept changes The changes take effect the next time the Server software 1s launched not to be confused with Run from the Server menu CAU
56. er group The Register Group dialog box appears Make any necessary changes to the register group Start Address End Address Poll Speed and Invalid Register blocks then click on the OK button Changing a Register Group Name Change Register Mame Click on this button to change the name of the selected register group The Change Register Group Name dialog box appears DDE Server User s Guide Chapter Six Advanced Options e 73 Change Register Group Name Register Group Enter the new name in the Register Group field then click OK to accept or Cancel to back out of this dialog box Importing or Exporting a Register Group ImportRegisteriaronp Export egisteraroup Click on one of these buttons to import or export a register group The Import Register Group button prompts you to select a comma separated values csv file for import The Export Register Group button prompts you for a file name to save the current register map as The file will be saved in CSV format Mnemonics Mnemonics Mnemonics are an optional way of naming registers or groups of registers by assigning an easily remembered name to a register address From the Device Types dialog box click this button to add delete or modify mnemonics Mnemonics are useful to speed selection of registers it s much easier to remember Trip Set Points than R4123445 When this button is clicked the Mnemonics dialog box appears Mnemonics PLEPH l
57. ettings baud rate parity etc Use a null modem cable to connect to another computer s port running a Terminal program with the same settings See if characters can be sent between the two computers If you don t have two computers but the computer you are using has another port available connect the two communication ports start two Terminal programs each set to its own port and try communicating between them Alternatively connect an external modem to the communication port in question and see 1f you can dial out with it NOTE Remember two devices cannot share interrupts IRQs Make sure the communication port you are using has a unique IRQ assigned If the communication port is working properly look for problems on the device side Potential problems in this area could be but are not limited to cabling baud rate parity stop bits faulty device communication port and improper addressing of a Modbus Concentrator or Ethernet Gateway 56 e Chapter Five Troubleshooting DDE Server User s Guide If the device is an EPM 3710 or 3720 check to make sure the device is set to 32 bit mode with invalid objects set to yes and password protection set to no These settings must be made at the device itself If the problem is with a Multilin device make sure the device is not in TEST mode The PMCS DDE Server does not support TEST mode for any device as a device in TEST mode will generate invalid data If you have completed all
58. garding the current selection showing various parameters which may be modified Coste Deletes the current selection DDE Server User s Guide Chapter Three Getting Started e 13 Configuring Communication ports NOTE If your host is running on an Ethernet TCP IP platform see the Ethernet Users Only note at the end of this section The software Modbus version supports up to 256 RS 485 ports The number actually supported by your hardware depends on your RS 485 interface see GEH 6502 POWER LEADER Network Architecture Guide for details We refer to these communication ports as comm ports in the documentation NOTE The 256 ports supported by the Modbus version of the PMCS DDE Server are automatically assigned to logical ports 1 through 256 Other configurations such as 3 through 8 are not allowed It is therefore necessary to disable COM1 and COM2 in the host PC s CMOS setup typically assigned to RS 232 ports in order to assign COM and COM2 to RS 485 ports Do not disable COM and COM2 if using an external RS 232 RS 485 converter box such as the Multilin interface converter For this example we ll assume that the RS 485 interface is an eight port RS 485 card If your situation is different follow the example and adjust your procedures accordingly Step 1 Click on the Configure pull down menu and select Configure PB GE32MODB DDE Server GE32MODB CFG E 10 x Server View Configure Reports Help
59. gon script see the Windows 2000 SP2 User s Guide the Windows 2000 SP2 Resource Kit or on line help or do the following e Start the User Manager in Local Users and Groups in System Tools under the Computer Management Local This is found under the Admistrative Tools in Control Panel Access the profile for the desired user from the User Manager You must have Administrator privileges to do this e Specify the name of a batch file such as lt username gt CMD Save and exit the User Manager e Create a batch file called lt username gt CMD in the SYSTEM32 REPL IMPORT SCRIPTS directory e The script should contain the line WNDDE EXE e Puta copy of the utility VNDDE EXE in the CAUSERS directory At the next logon a command prompt should appear at logon If there is no problem the window flashes by and the logon will continue If a problem occurs execution stops at the command prompt VNDDE EXE Error Messages The utility displays any errors that occur as it tries to add shares The format is 26 e Chapter Three Getting Started DDE Server User s Guide NDDE Error lt message gt Errors and error messages are defined by the NetDDE API Trouble Shooting VNDDE EXE Problem The messages NDDE Error 1 Access is denied and NDDE Error 24 Cannot bind to DSDM service are displayed Solution Check that the NetDDE service and NetDDE DSDM service have their startup option set to Automatic VNDDE EXE FAQ s Question
60. ication bandwidth availability etc setting the Poll Speed to Slow Poll reduces the scan attempts to once every 10 000 msec 10 seconds or as close to this as possible 1 e not less than 10 seconds 10 000 msec Poll Once means that this register group is scanned only the first time data is requested by a client application All future requests for the same data receive the data from this poll If the device is later declared to be dead the device is scanned periodically until it comes back on line at which point the Poll Once data will be re Chapter Six Advanced Options e 71 read This is useful for registers with settings of a more permanent nature which need to be read but are unlikely to change Invalid Register Blocks A register block consists of a contiguous piece of a device s memory that contains many points of data Within this block however some addresses may be unused by the device We can make the PMCS DDE Server aware of these unused or extraneous addresses by specifying them as invalid register blocks The Server s register maps for supported devices have already been optimized only generic devices invalid register blocks must be entered manually An invalid register block is a list of registers within a register group that should not be polled for data by the Server perhaps because they are unused by the device itself or simply because they are not desired Invalid register blocks allow the Server
61. ice Configuration dialog box Chapter Three Getting Started e 19 DeviceConfiguration r Configured Devices ESE E EE Device Topic MLPOM Name gt ML750 Device Type ML 50 Com Part COMI Slave Add 15 Scaninterval msec gt 000 Activate M E Modify DEEE Ok Lancel Help Because this is our first foray into device setup there will be no devices listed in the Configured Devices box the example above shows a few devices already configured they won t appear in your dialog box Let s configure our first device Step 1 Click on the Add button This will display the Add Device Configuration dialog box Add Device Configuration Device Name Topic Com Port bd Device Type l Slave Add Help Scaninterval ln q msec 1000 Complete the fields as described below Device Name Fill in a device name here not the product name but the name by Topic which you know the device This can be as descriptive or imaginative as you d like Freds Brkr Trip Unit_1 or Panel3 Brkerl TripA are all acceptable The name should be as clear concise and descriptive as possible This will be the topic name referenced from client applications If you are not familiar with what a topic is see the Device Info section of Chapter 4 Menus and Toolbars for an explanation This name must be unique must begin with an alphabetic character be no
62. ide Chapter Four Menus and Toolbars e 43 Port Configuration Configured Virtual Ports Settings for Virtual Port IP Address Motes It aL EL Modity Delete DE Cancel Help Because the ports are not part of the host PC hardware they are considered virtual ports A virtual port refers to a single RS 485 port on a particular hardware gateway The Configured Virtual Ports box lists all the virtual ports available to be configured with proper Ethernet addressing information and port number The virtual ports are named NetCOM1 through NetCOM256 these names cannot be altered To change the characteristics of a previously configured port select it and click Modify Select an existing port and click Delete to delete the configuration information for a virtual port Clicking on Add displays the Add Virtual Port dialog box shown below Clicking on Modify brings up the same dialog box with the selected port s characteristics displayed for your review and or modification Also the Virtual Port selection pull down list is disabled in the Modify command 44 Chapter Four Menus and Toolbars DDE Server User s Guide Add Modify irtual Port Virtual Port NetCOM1 Gateway IF Address 3 46 9 21 g El Notes Po Type a valid IP address into the IP Address field This 1s the address of the hardware gateway servicing your serial devices Enter an appropriate port number in the TCP Port field
63. indow These prompt an action or describe an object when the cursor lingers over an object Menu Bar The PMCS DDE Server main window contains five pull down menus Server View Configure Reports and Help as well as the standard Windows system menu Complete explanations of the menus and their options are provided in Chapter 4 Menu Conventions Several standard buttons such as OK and Cancel are used in many dialog boxes throughout the software You should be familiar with the general use and function of such buttons from experience with Windows software Rather than repeat their definitions in each place where they occur the following definitions apply globally In general only buttons having unique or important functions in a particular dialog box are described in the text OK Click this button to confirm any changes made in a particular dialog box or to confirm a selection from a list The button may be dimmed if no changes have been made or nothing has been selected Cancel Clicking this button cancels a selection closes the dialog box and returns to the previous dialog box or level Click this button to access the Help topic for the current dialog box Similar to OK Click on this button to finish selection and close the dialog box se Add Creates a new selection perhaps a new topic device and usually opens a dialog box with various parameters that need to be defined Modify Usually opens a dialog box re
64. l the suspended DDE links become active again and the Server resumes the process of answering requests for data Print I O Traffic Exit View Menu DDE Server User s Guide Print I O Traffic sends the contents of the input output traffic buffer to the default printer via the standard Windows Print dialog You should Suspend the Server before printing or save to a file for later printing while the Server is running traffic may be passing so quickly that it will not print correctly Exit is the standard Windows function for leaving the program Note that the Exit function is not available when the Server has been installed as a Windows NT Service The View menu is shown below Descriptions of the options follow A GE32MODB DDE Server GE32MODB CFG 0 x Server View Configure Reports Help I O Traffic Display i Clear Display Save Display To File Modbus packet Server started Port Statistics Configuration Chapter Four Menus and Toolbars e 35 I O Traffic Display When the Server 1s running and client applications are requesting data you may view the sending and receiving of Modbus packets This is useful for checking what is happening on the network or for debugging any problems Select I O Traffic Display to choose devices whose communications you wish to see 120 Traffic Display Color Background C Disabled Device Selection l Register groups f
65. l to elapse then send the next packet addressed to the device When a device responds with Exception 6 Slave Device Busy it is essentially saying I cannot accept any commands now please ask again later The Server will allow the SleepTime interval to elapse then re send the same packet to the device SleepTime intervals apply only to the device in question While the Server notes a device as sleeping it carries on its business with the remaining devices on the network without interruption TimeDownLoad Period The PMCS DDE Server performs automatic time synchronization by periodically sending a time sync message to each device on the network By default this message is sent every 15 minutes 900 000 milliseconds for the Modbus Concentrator every 5 seconds for the Modbus Monitor and every 24 hours for all other devices This 78 e Chapter Six Advanced Options DDE Server User s Guide DDE Server User s Guide can be changed on a device by device basis by altering the TimeDownLoad Period parameter for an individual device in the ini file The value should be entered in milliseconds Note that increasing this value will free up processor time for the Server s use but may allow devices to slip out of sync with the Server s clock Decreasing this value causes the Server to spend more of its time synchronizing device clocks and leaves less time available to process client requests for data NOTE A related value the Time D
66. lliseconds are not recommended CServerApp OnDeleteDev Invalid toolkit index Internal error in the Server Please contact Customer Service DDE Execute lt DDE execute command gt failed Possible causes are e The execute command is misspelled 60 e Chapter Five Troubleshooting DDE Server User s Guide DDE Server User s Guide Parameters passed with the execute command are not proper Refer to the Server interface specifications for correct parameter syntax and range The execute command string has some extra space characters The Server does not accept extra space characters in execute commands Please follow the Server interface specifications strictly The DDE execute command is not supported for the topic on which it was issued Device lt device name gt DEAD The device 1s declared DEAD as a result of communication failure This means the device has not responded to repeated queries in a certain time and the system assumes that there is some problem at the device keeping 1t from responding that the device 1s dead for the moment Dead devices are scanned occasionally to see if they have come back on line Device lt device name gt ACTIVE A previously DEAD device has resumed communications lt device name gt device got deleted discarding packet This is an informational message A client application deleted a topic and the Server 1s deleting a scheduled communication packet Error allocating new topic lt
67. manent data links are called hot links When a client application sets up a hot link to another application it requests the server application to advise the client whenever a specific item s data value changes Hot links remain active until either the client or server program terminates the link Hot links are an efficient means of exchanging data because once the link has been established no communication occurs until the specified data value changes The DDE protocol specification includes standardized formats for messages to be exchanged between DDE compliant applications such as Microsoft Excel NetDDE for Windows 2000 SP2 is an extension to DDE With NetDDE client applications do not have to be running on the same PC as the DDE Server a client application on one PC may request data from a DDE Server operating on another PC Its capabilities include communication over local area networks and through serial ports Two or more networked IBM compatible PCs running Windows 2000 SP2 are required to run NetDDE The version of NetDDE which is supplied with Windows 2000 SP2 is the recommended version other versions of NetDDE are not recommended for use with PMCS DDE Server User s Guide About the PMCS DDE Server Installation DDE Server User s Guide The PMCS Dynamic Data Exchange DDE Server is a Windows 2000 SP2 application that allows other Windows 2000 SP2 applications to access data from GE devices and third party devices
68. me interval at which the Server executes DDE protocol how often the Server listens for an incoming message from a device or transmits a message to a device Register Location in a device s memory containing a single binary datum Each register has a particular address and the DDE Server can access a register s data by specifying the device and the register s address Mnemonics are used to make the numeric register addresses more meaningful for example VOLTS A is understandable as the volts on phase A of a particular device whereas the actual register address might be R10024 A1 which conveys no meaning to the reader Register Map Comprehensive listing of all register addresses and what they contain Scan Interval Defines how often a device is to be scanned under optimal conditions this is a target time which may not be attained due to network traffic load number of devices amount of data being requested etc A scan interval of 1000 msec 1 second indicates that the DDE Server will attempt to scan the device as close to once per second as it can Server A DDE compliant MS Windows application providing data to other DDE compliant applications clients on their request Time out The error message generated when no reply is received to a query after a given period of time Topic A user defined name associated with a specific device set to be polled at a particular frequency Valid Data Time out The
69. more 20 e Chapter Three Getting Started DDE Server User s Guide than 20 characters long 8 characters if used with a third party HMI client Only alphanumeric characters and underscores are permitted the topic name cannot include spaces or special characters such as AA O Ne Com Port This pull down menu lists the configured communication ports Select the comm port to which this device is attached If you don t see the correct port listed 1t was not configured properly in the previous section Double check your port configuration and try again Device Type Select the type of device from this pull down menu such as POWER LEADER EPM PLEPM This tells the DDE Server what kind of register map to expect for this device Details of PMCS device register maps can be found in GEH 6509 the PMCS DDE Server Interface Reference Slave Add Enter the device s Modbus address This tells the PMCS DDE Server what number to call to get data from the device This address will be in the range 247 depending on the device type See GEH 6502 POWER LEADER Network Architecture Guide for details on Modbus RTU device addressing and Modbus equivalent addresses for commnet devices Scan Interval This is the frequency at which the DDE Server will try to scan the in msec device for data once a DDE request has been made by a client application The default is 1000 milliseconds Leave this alone for the time being we ll discus
70. n this length of time the Server declares a time out The default Communication Time out value is 2000 milliseconds Increasing this number may improve communication reliability but will decrease performance Slow Poll Count The Slow Poll Count is a multiplier with a default value of 10 The Slow Poll Count multiplied by the scan interval for a topic equals the scan interval for a register block 1f slow poll has been selected Increasing the Slow Poll Count value causes the Sever to scan slow poll data less often allowing more time to be devoted to scanning fast poll registers Decreasing this value requires the slow poll register groups to be scanned more often reducing the performance of fast poll scanning Chapter Six Advanced Options e 77 Maximum Query Retries This is the number of time outs that must be encountered from a device before the Server declares the device dead The default value is 5 Increasing this value increases the length of time before a device is declared dead Decreasing this value causes a device to be declared dead sooner The tradeoff is that increasing the value may cause wasted time in scanning devices that are dead while decreasing the scan time may cause devices to be declared dead prematurely and result in error messages Dead Device Scan Interval The Dead Device Scan Interval is the interval in milliseconds at which the Server will scan a device it has declared dead to see if it has come ba
71. nced users only Do not access this option unless you have studied Chapter 6 and are sure of what you are doing Misuse of this option may cause errors or malfunction of the Server See Chapter 6 of the User s Guide Advanced Options for information on this option DDE Server User s Guide Chapter Four Menus and Toolbars e 49 Generic Comm Interface The second option available from the Configure pull down menu is the Generic Comm Interface Select this option to open the Generic Communications Interface window shown below Genere COM Interface Modbus CAC Bute String for which CAC to be computed na 04 03 EA 00 03 ComputeL AE CAL 90 cl Send Tx Part com Tx Port Settings Timeout In msecs 500 Te Byte String na 04 03 EA 00 05 30 CO Modbus Packet Te Statue lt I Status Recelve Az Port com As Port Settings Ax Byte String AA K Pe Status Ax Status gt Send Close T Enable Tool tips The DDE Server s Generic Communications Interface enables you to communicate with any active device for testing and diagnostics purposes The Generic Communications screen is divided into three sections The Modbus CRC section provides a utility for calculating the CRC on a byte string Enter a string of hex characters then choose the Compute CRC button The CRC is calculated and displayed under the Byte String You can use this feature to prepare raw Modbus messages
72. nfiguration information for a virtual port Clicking on Add displays the Add Virtual Port dialog box shown below Clicking on Modify brings up the same dialog box with the selected port s characteristics displayed for your review and or modification Also the Virtual Port selection pull down list is disabled in the Modify command 16 e Chapter Three Getting Started DDE Server User s Guide DDE Server User s Guide Add Modify irtual Port Virtual Port NetCOM1 Gateway IF Address 3 46 9 21 g El Notes Po Type a valid IP address into the IP Address field This 1s the address of the hardware gateway servicing your serial devices Enter an appropriate port number in the TCP Port field This is specific to the hardware gateway configuration and determines which gateway serial port that Modbus messages will be routed to In the example graphic 7802 indicates the COM2 serial port on an EPM 7700 Xpress Card LE Cancel Help l Click OK to accept the settings and return to the main server configuration dialog Modbus TCP IP Server Users If your host software is running on an Ethernet based PC you may use the PMCS Modbus TCP IP DDE Server software application to communicate directly to devices that are compatible with the Modicon Modbus TCP IP standard This version of DDE server also supports 256 TCP ports This communication server entails some special configuration specifically in the Ports dialog
73. ng a port Click OK to accept the settings and return to the main server configuration dialog With the exception of the Ports dialog boxes and some information in the Trouble Shooting section this GE32MTCP version of the PMCS DDE Server software is functionally identical to the Modbus version Follow the remaining instructions without regard to which version of the software you are using Configuring the Devices DDE Server User s Guide Our PMCS DDE Server now knows which networks are available and the communication settings it should use for each one To communicate with the devices on these networks the PMCS DDE Server also needs to know what kind of device they are and where to find them A good analogy might be getting phone service Once the line network is installed configured we re capable of communications but until we know what number network address to dial we don t know how to reach anyone Likewise if we don t know who what kind of device to expect on the other end it doesn t do us much good to place a call even if we know the number address We might want to reach our GE sales rep but call home instead We ll have to let the PMCS DDE Server know the addresses of each device in the network From the Configuration dialog box click on the Device Info button Configuration Operational Parameters Device Type Info Close and Restart Server This will bring us to the Dev
74. of these steps and are still unable to communicate with the device call the GE Resolution Center at 1 888 GE RESOLV NetDDE Trouble Shooting DDE Server User s Guide If you are using NetDDE to share a Server s data with clients across a network make sure a share called GE32MODB GE32MTCP GE32EIND for appropriate Ethernet system exists in the system and has been trusted with proper parameters Shares need to be created only once but each NT user should trust the share explicitly Chapter Three offers instructions on setting up shares and trusting shares see the section entitled NetDDE If you require further information beyond that provided in Chapter Three refer to the NetDDE documentation for further information on how to set up shares and trusting a share Information may also be found in the Microsoft KnowledgeBase by searching for keyword NetDDE NOTE Make sure you re using the version of NetDDE supplied with Microsoft Windows 2000 SP2 Workstation The PMCS DDE Server does not support other versions of NetDDE Chapter Five Troubleshooting e 57 Trouble Shooting Flowchart The flowchart below may help you quickly isolate problems and direct you to solutions If you work through the flowchart and still experience difficulty refer to the Troubleshooting chart in the next section If the MMI is not updating make sure the correct version of the DDE Server is running No Check WWLogger for mess
75. ollecting data and passing it to the client applications the I O Traffic Display feature can be used to take a look at what s happening over our network Pull down the View menu and select I O Traffic Display The Server must be in Run mode to display traffic Date Clear Display Save Display To File Modbus packet Server started Port Statistics Configuration 4 Edit 1JO Traffic dialag 4 The I O Traffic Display dialog box pops up 22 e Chapter Three Getting Started DDE Server User s Guide DDE Server User s Guide 1 0 Traffic Display C Disabled Device Selection Devices for display Register groups for display Add Device Delete If you don t see the device you re interested in press the Add Device button If the desired device 1s listed in the Devices for Display list box select it by highlighting the name and clicking OK or by double clicking on the name If the device name does not appear there are no client application requests for data from that device 10 Traffic Display Select Device With the device selected in the Devices for Display list box select the particular register groups for display from the list box Related registers such as Set Points or Voltage are organized into register groups for easy reference and viewing If you don t know exactly which registers you want to watch select all register groups for display Click the Displ
76. or display Devices for display The top portion of the I O Traffic Display dialog box is labeled Display and offers various options to customize the way messages appear on the screen The bottom portion of the dialog box is labeled Device Selection and allows you to choose the devices for which you d like to display traffic The Devices for Display box lists the devices currently displayed if display 1s enabled with the radio button above The Register Groups for Display box at the right lists the register groups to be displayed for the currently selected device Highlighted register groups are displayed click on a register group to select or deselect it for display The options are fairly straightforward but are explained in more detail below Display Display of I O Traffic on the Server screen is Enabled or Disabled by selecting the appropriate radio button Color Click on this button to set the colors for messages in I O Traffic Display The VO Traffic Display Color dialog box appears 36 e Chapter Four Menus and Toolbars DDE Server User s Guide 120 Traffic Display Color Message Type Ax Bytes Set Default Color Error Message Message Select Color Lancel Select the type of message from the list box and click on the Select Color button to select a color Click on the Default Color button to set a message color to its default Tx Bytes BLUE Rx Bytes BLACK Error Message RE
77. ownload Start Addr is used by the Server to address time synchronization messages to devices DO NOT CHANGE THIS VALUE If this value is changed the device will not be able to time sync with the DDE Server ExitDisable This setting allows users to close the DDE Server It s default setting 1s Disable when PMCS DDE Server is installed as NT Service and Enable when PMCS DDE Server 1s installed as a standard application UlHide This setting controls whether or not the DDE Server s user interface 1s visible to the user It s default setting is Unhide program visible to user Bear in mind that if you change parameters of the ini file such as increasing the Communication Time out Factor the Maximum Query Retries or the Dead Device Scan Interval you will slow down your network performance On the other hand if you reduce these values you may generate unnecessary time outs or have devices declared dead when they are not actually off line Please avoid changing any other parameters of the ini file beyond those listed here as doing so may adversely affect Server performance Chapter Six Advanced Options e 79 Appendix A Register Addressing Conventions Data Addressing Conventions The PMCS DDE Server is capable of interpreting both decimal and hexadecimal addresses This allows access to the Modbus RTU protocol s extended register mode The two addressing schemes are identical with one exception in hexadecimal mode an
78. ox Modbus Function Codes Available Function Codes Selected Function Codes Read Coil Status a Read Input Status Read Holding Register Read Input Registers Force Single Caoil Preset Single Register Force Multiple Coils Preset Multiple Registe The two list boxes Available Function Codes and Selected Function Codes are multiple selection list boxes The Available Function Codes box lists the function codes available to any generic device type the Selected Function Codes box lists those function codes that are to be assigned to a specific device type Place the desired function codes into the Selected Function Codes box using the Add and Delete buttons then click OK Add gt gt Select the function codes to be added from the Available Function Codes list box and click this button The selected function codes are added for the device type and displayed in the Selected Function Codes list box Delete lt lt This button is displayed only when there are no user configured register groups for the device type To remove a function code support from the device type all the register groups that are added are removed To delete a register group from the device type refer to Delete under the Register Map subsection Select the function codes to be deleted from the Selected Function Codes list box and click this button The selected function codes are deleted for the device type and dis
79. played in the Available Function Codes list box DDE Server User s Guide NOTE You cannot delete function codes if any user configured register group exists for this device type To delete already added function codes you should first delete all the register groups calling on those functions Register Map Register Map Click this button to add delete or modify register groups for the selected device type CAUTION Be careful not to modify or delete the Register Map for pre configured devices Only generic devices and PLC type devices are intended to have any modifications to their Register Groups When this button is clicked the Register Map dialog box appears Register Map PLEPH Register Groups CornmnetStat Dynamic aluveRegisterlaroLip Fined alue Delete Setpoint Modify Change Register Mame ImportRegisterliroLnp ExportRegisterliroLip Help The Add New Register Group Delete Modify and Change Register Name buttons are described below DDE Server User s Guide Chapter Six Advanced Options e 69 Adding a Register Group Click this button to add a new register group The Select Register Group Type dialog box appears Select Register Group Type Register Group Cancel Select RegisterT ype ooo O sal Enter the Register Group name The name may be up to 20 alphanumeric characters and cannot include embedded spaces or special characters such as
80. r refer to GEH 6514 Read This Book First for InTouch and DEH 211 Read This Book First for Cimplicity which contains installation procedures for all POWER LEADER system and application software packages This guide accompanied the PMCS software package and is also contained as a PDF file on the PMCS software installation CD ROM Installing the PMCS Network and Device Configurator software creates the following directory in the root directory of the specified drive ge_pmcs server for Modbus version of the DDE Server ge pmcs ge32mtcp for Modbus TCP IP version of the DDE Server ge pmcs ge32eind for Electro Industries Server Chapter One Introduction e 3 Although you do not need to know the directory structure to use the PMCS DDE Server you should know where the files are located on your hard drives so that you do not accidentally move or erase them 4 o Chapter One Introduction DDE Server User s Guide Running PMCS DDE Server as an NT Service DDE Server User s Guide The DDE Server as well as other PMCS Servers such as Event Server and Waveform Server can be set to run as an NT Service rather than as an application Running the DDE Server as an NT Service requires more skill as a Windows 2000 SP2 system administrator but does provide two advantages 1 Logging off the machine does not hinder the DDE Server s ability to collect from devices or distribute data to client applications since NT Services continue to
81. rease productivity reduce downtime and improve power quality by automatically collecting the wealth of data available from devices in your power network You select data to monitor and configure the PMCS DDE Server to communicate with the selected devices in your system The PMCS DDE Server collects the requested data and supplies it to your choice of software applications for analysis and trending The information gathered by the PMCS DDE Server when analyzed by the appropriate client software provides you with the following benefits e Improved power quality Identify sources of dirty power otherwise invisible and take corrective action to save wear tear and possible damage to critical equipment e Faster corrective maintenance Quickly pinpoint the root causes of problems using time stamped alarms and event sequence logs e Higher productivity Free up maintenance and repair personnel to perform other duties e Less downtime Identify and correct problems before they lead to loss of power and or costly damage to loads such as production equipment and computers e Increased safety Provide a central source of information reducing the need for physical contact with equipment and shop floor presence The PMCS DDE Server collects and communicates metering status event and alarm data from metering control and protection devices on the network to other PMCS software tools such as third party HMI development
82. ress formats Select the type of addressing you wish to use refer to the device user manual 1f you are unsure by clicking either the Decimal or Hexadecimal radio button Next enter the Start Address and End Address for the register group in the appropriate boxes The PMCS DDE Server supports Modbus RTU extended addressing in decimal mode the range is 0 to 65535 in hexadecimal mode the address range is 0 to FFFF Refer to Appendix A Register Addressing Conventions for more information on formatting register addresses Next set the desired polling speed by clicking one of the radio buttons Fast Poll Slow Poll or Poll Once The polling speed is based on the scan interval for the topic A polling speed of Fast attempts to scan at the assigned Scan Interval This is the default Setting the polling speed to Slow causes this register group to be read once every ten scan intervals This is typically used for setpoints or low priority parameters that change infrequently Slow Poll is a multiple of Fast Poll with a default value of 10 This multiple is controlled by a setting in the PMCS DDE Server s ini file and may be changed if desired See the section titled PMCS DDE Server ini File later in this chapter For example if the scan interval is set to 1000 msec 1 second this is the default value setting the Poll Speed to Fast Poll causes the Server to scan as close to every 1000 msec as possible based on the network load commun
83. rom the pull down list make your changes then you can select another port from the pull down list and configure it as well Configure as many ports as you need to then click OK to save your changes and return to the Configure dialog box Ethernet Users Only EPM 7700 Xpress Card or XPLEX 1620 Max Server Users If your host software 1s running on an Ethernet based PC you may be using a special hardware gateway to communicate to your RS 485 ports This extra layer of hardware entails some minor differences in the configuration software specifically in the Ports dialog boxes These differences are explained below Chapter Three Getting Started e 15 Clicking on the Ports button in the Ethernet version of the software displays a slightly different Port Configuration dialog box Port Configuration Configured Virtual Ports Settings for Virtual Port IP Address Motes Modity Because the ports are not part of the host PC hardware they are considered virtual ports A virtual port refers to a single RS 485 port on a particular hardware gateway The Configured Virtual Ports box lists all the virtual ports available to be configured with proper Ethernet addressing information and port number The virtual ports are named NetCOM1 through NetCOM256 these names cannot be altered To change the characteristics of a previously configured port select it and click Modify Select an existing port and click Delete to delete the co
84. s it more in Chapter 6 Advanced Options Step 2 Now that you ve set up the device specifics click OK to return to the Device Configuration screen You should see the device you just added in the list of Configured Devices Repeat these steps for each device on your networks until you ve configured all the devices At the bottom right of the Device Configuration dialog box you ll notice a check box labeled Activate This box provides a one step way to turn a device on or off at the Server Make sure this box is checked for each device devices which are not Activated will not communicate with the Server When you ve configured all the devices and clicked OK to exit the Device Configuration dialog box you Il return to the Configuration dialog box There is only one button offered here rather than the four configuration options Close and Restart Server Clicking this button exits Configuration and puts the Server on line Starting the Server DDE Server User s Guide Clicking the Close and Restart Server button in the Configuration dialog box automatically puts the PMCS DDE Server on line If you click on Cancel instead any configuration changes you may have made will be discarded The Server will now wait for a DDE conversation to be initiated by a client application When it receives a request for data it interprets the request fetches the data from the appropriate device and passes it on to the client application The
85. s that doesn t exist an error is generated Let s assume that the Server s name is spelled correctly in the client s DDE request and that the Server is running The client is now looking for a topic defined in the Server for example Devicel To check the topic name close the client the Server cannot be configured if the client is running and open the Server s program window Invoke the Configure Device Info command Is there a topic defined as Device listed in the dialog box Is it spelled exactly including spaces etc as it is in the DDE Access Name definition NOTE Make sure there are no blank spaces after the topic name in both the Server or in the DDE Access Name definition in the client Chapter Five Troubleshooting e 55 When you have checked all of the above restart the client and switch to the Server s program window Make sure I O Traffic Display is on various messages should be appearing in the window This indicates that the client and the Server are communicating If nothing appears in the Server s window try using WWLogger to track your error messages The most probable error message indicates that the item used with one or more tagnames is unrecognized by the Server Tagnames use specific naming conventions when accessing data from a Server and deviation from these conventions can cause errors If a device you want data from is not available to any client software make sure that any device you
86. set Type of Access to Full Control default is Read and Link Close the DDE Share Name Permissions and DDE Share Properties dialog boxes Select GE32MODB or GE32MTCP GE32EIND from the DDE Shares dialog box and click the Trust Share button The Trusted Share Properties dialog box is displayed Trusted Share Properties Share Mame GE32m0D8 DE o Cancel di M Initiate to Application Enable Set M Cmd Show Override with 2 value Set the options in the Trusted Share Properties dialog box to match those shown above then click the Set button to accept the selected options and the OK button to exit You should be ready for DDE communications over your network 30 e Chapter Three Getting Started DDE Server User s Guide This page left blank intentionally DDE Server User s Guide Chapter Three Getting Started e 31 Chapter Four Menus and Toolbars In this chapter we ll examine each menu and toolbar item in detail describing its functions and options As in Chapter 3 we ll assume that some buttons such as OK and Cancel are self evident and that you can interpret their functions from general experience with the Windows interface System Menu The system pull down menu is shown below The menu is standard to Windows refer to the Windows documentation if you have any questions regarding these functions GE32MODB DDE Server GE32MODB CFG _ 0 xj E Restore reports Help oe al a
87. settings for each of the Server s communication ports baud rates parity stop bits etc This permits the Server to communicate correctly with the attached networks Note for Ethernet users configuration of Ethernet communications is slightly different and will be covered later in the document Device Configuration DDE Server User s Guide Here you ll be telling the PMCS DDE Server the specific devices that are connected to the network by defining topics for the Server to look at A topic consists of a device name the number of the communication port the device is connected to the Modbus address of the device the device type and related scan interval information Chapter Three Getting Started e 11 After this information is entered into the Server the Server knows which data you want how often you want it and where to get it Launching the Program First let s launch the program To start the PMCS DDE Server open the GE PMCS program group in Windows The PMCS DDE Server program icon Modbus version is shown below The icon for other versions of the PMCS DDE Server software 1s identical with the exception of the application name which may be GE32MTCP or GE32EIND depending on your particular network configuration Double click on the icon to start the PMCS DDE Server program GE32M0DB If your PMCS components are configured as NT services they can only be started and stopped by the Windows Service Control Manager
88. st is presented after the main list Activation of lt item name gt item failed item not found in register s item list Activation of item failed when client requested a link to this item Please contact Customer Service This error message does not appear in normal circumstances it appears only if the item list is corrupt or if the toolkit gives an out of sequence ProtActivateltem call Could not find register group with name CPML3710WFCReg so DDE execute failed This is a device type configuration problem Please check that you have the correct GE32MODB CFG file Could not find register group with name CPML3720WFCReg so DDE execute failed This is a device type configuration problem Please check that you have the correct GE32MODB CFG file DDE Server User s Guide Chapter Five Troubleshooting e 59 Could not find register group with name CPML3720WFRReg so DDE execute failed This is a device type configuration problem Please check that you have the correct GE32MODB CFG file Could not enable comm notification for lt comm port gt The Server could not initialize notification based interrupt driven communication for the communication port Communication with the devices may not work well Restart the Server If the problem persists check the communication port integrity Could not find register group with name PLMeterWFCRegisterGroup so DDE execute failed This is a device type configuration problem Ch
89. t data from a server on another machine across a local area network These remote client machines are also referred to as View Nodes and must also be equipped with Windows 2000 SP2 and NetDDE If you will not be accessing the PMCS DDE Server across the network you do not need to read this section Whenever data is being shared over a local area network it is a good idea to have some security method to control access to the data Windows 2000 SP2 controls unauthorized access to information with a system of shares and trusts which define access to particular applications and topics A share defines an application and its topics to be available for DDE access over the network Trusting the share authorizes networked users to access the share for example User A trusts allows access to Share X which permits User B s and User C s clients on other machines to access data from Application Z Topics 1 10 A share must be created for each application that may be accessed over the network and the user of the host PC must DDE Server User s Guide trust this share before any client applications will be able to request data from the shared application An important thing to remember is that each user of the host PC must trust the share for the DDE Server if View Nodes are to be able to access data from the server If you log off the host PC and a new user logs in they will need to trust the DDE Server share befor
90. tation on the power consumption at an industrial facility might be created using Microsoft PowerPoint charting power consumption data requested from the PMCS DDE Server You ve now learned about the four major parts of PMCS next you ll learn how to configure your PMCS DDE Server DDE Server User s Guide Chapter Three Getting Started Introduction In this chapter we ll explain how to configure the PMCS DDE Server for use starting the software understanding what s on the screen setting 1t up for communications and telling 1t what devices are connected and how to communicate with them This chapter 1s a functional tutorial rather than a comprehensive reference Chapter 4 Menus and Toolbars provides in depth descriptions of the menus and each function available This manual also assumes that the hardware side of the PMCS network has been set up and wired correctly and that the host PC that PMCS will run on has been properly connected to the network First Time Configuration As we mentioned in Chapter 2 the PMCS DDE Server collects data from devices connected across a network We ll have to set up our Server to communicate correctly with the network and recognize the devices we ve attached First time configuration involves two basic procedures setting up communication ports and then configuring devices We ll provide examples of each procedure Communication Ports You must identify the communication
91. tem Mnemonic Map Mnemonic Register Address A31093F AMPS B A31094F Modify AMPS C A31096F AMPS DMND A A31039F AMPS DMND_B A31040F Delete AMPS _DMND_C F1042F AMPS FORMAT A430 24 ImportMnermonics AMPS MAn A R31010F AMPS Max _B R31012F j AMPS H C R101 4F Exporthnemonics seo 74 e Chapter Six Advanced Options DDE Server User s Guide DDE Server User s Guide Adding a Mnemonic Click the Add button to add a mnemonic The Add Modify Mnemonics dialog box appears Add Mnemonics Mnemonic Mare Register ltem Mame Help Cancel dl Enter the Mnemonic Name You may use up to 20 alphanumeric characters but no embedded spaces or special characters such as Enter the register address in this field Follow the register naming conventions presented in Appendix A Click OK to accept your changes Modifying a Mnemonic Click on the Modify button to modify the selected mnemonic The Add Modify Mnemonics dialog box appears The procedure is similar to adding a mnemonic Make any necessary modifications to the mnemonic name or register address then click OK Deleting a Mnemonic Select a mnemonic from the Item Mnemonic Map list box and click the Delete button to remove it from the list Importing or Exporting Mnemonics Import nenonics Exporth nernonics il Click on one of these buttons to import or export a set of mnemonics The Import Mnemonics button prompts
92. the Server The port may not be working Test the port with a communication program such as HyperTerminal No Write to Individual Discrete Bits The client tried writing to individual bits of a read write register which is not allowed Open comm for lt comm port gt failed This error may be followed by one of the following error messages Invalid or unsupported ID lt comm port gt The port is not supported or the port ID is bad Check the ID of the port to which the devices are connected and reconfigure the topics with the correct port ID Device already open lt comm port gt Try restarting the Server If the problem persists the port may be in use by another application Device not open lt comm port gt Try restarting the Server Unable to allocate queues Try restarting the Server Error in default parameters The default parameters set for the port in the DDE Server configuration or other programs are bad Hardware not present or already allocated lt comm port gt Port hardware is not available If there is a communication port disabling facility some notebook PCs have this facility to save power enable the ports reboot the machine and try starting the Server again Invalid byte size The byte size is invalid Unsupported baud rate The baud rate that was programmed is not supported by the communication port Please refer to the communication port hardware reference for supported baud r
93. the array A indicates that the data is an Array or ASCII string in bytes This field See the following section Register is present only if the address Array Format for details represents an array or an ASCII string Leading zeros are not required for this field Standard Data Organization Data is organized according to data type numeric range tag type and access type Data Types There are four data types typically used by the GE devices These four data types are the possible values for f in the address Each data type is organized in a separate table for each device in this manual 1 Dynamic Value 2 Setpoint 3 Command Coil 4 Fixed Value Each data type is assigned a range of register numbers tag type and access as shown below Data Organization Data Register Register Type of Type Range Range Access hex decimal Command 1 Commands a device to take ROX0000 RO00000 Discrete Read and Coil action ROXFFFF R09999 Write 2 Reads the status of an action or discrete input Dynamic Read frequently such as R3X0000 R30000 Analog Read Only Value metering values which change R3XFFFF R39999 constantly Fixed Read only once at power up R4X0000 R40000 Analog Read Only Value Info such as Product ID and R4XFFFF R49999 configuration options Setpoint Read infrequently R4X0000 R40000 Analog Read Only R4XFFFF R49999 DDE Server User s Guide Appendix A Register Addressing
94. the array The register values can be separated by commas tabs spaces carriage returns or line feeds For example for R40001A6 the value string could be written 1 2 3 4 5 6 or 1 lt tab gt 2 lt tab gt 3 lt tab gt 4 lt tab gt 5 lt tab gt 6 or 123456 84 e Appendix A Register Addressing Conventions DDE Server User s Guide This page left blank intentionally DDE Server User s Guide Appendix A Register Addressing Conventions e 85 Glossary of Terms Terms You Should Know DDE Server User s Guide Application Name The name of the DDE Server program This is supplied by the DDE client to establish a DDE conversation with a DDE Server application Client An application requesting data from the DDE Server Communication Time out The maximum time to wait for a response from a device after Server has requested data from the device If no response is received within the time out period the Server decides that the device will never respond and gives up on the current request for data responding with a time out error message Ifa device times out repeatedly the Server declares the device to be dead then occasionally queries the device to see if it has recovered DDE Acronym for Dynamic Data Exchange a message protocol that allows Windows applications to exchange data with one another GE32MODB Application name for DDE Server RS 485 Modbus version GE32MTCP Application name for DDE Server Modbus
95. time in milliseconds that elapses after a client has made a request for data to the PMCS DDE Server before a time out error message is returned to the client DDE Server User s Guide Index C client 2 client server 2 Configure menu 37 D DDE 2 3 DDE Server 1 DDE Server icon 10 Dynamic Data Exchange DDE Server 3 E Ethernet 3 Event Logger 3 H Help menu 51 I Installing PMCS DDE Server 3 M Main window 10 DDE Server User s Guide Main window controls 10 menu bar 10 Modbus RTU 3 P PMCS DDE Server 1 Power Management Control System PMCS 1 S server 2 Server menu 32 System menu 31 T Toolbar 10 51 Toolbar icons 51 V View menu 33 W Waveform Capture 3 Index e 89 GE Industrial Systems General Electric Company 41 Woodford Ave Plainville CT 06062 GEH 6510 R13 0302 2001 2002 General Electric Company
96. ting port and click Delete to delete the configuration information for a virtual port Clicking on Add displays the Add Virtual Port dialog box shown below Clicking on Modify brings up the same dialog box with the selected port s characteristics displayed for your review and or modification Also the Virtual Port selection pull down list is disabled in the Modify command Add Modifs irtual Port Virtual Port NetCOM1 xl Gateway IF Address 3 208 1 6 50 Cancel Po Notes E Help 46 e Chapter Four Menus and Toolbars DDE Server User s Guide Type a valid IP address into the IP Address field This is the network address of the device to which you are assigning a port Click OK to accept the settings and return to the main server configuration dialog With the exception of the Ports dialog boxes and some information in the Trouble Shooting section this GE32MTCP version of the PMCS DDE Server software is functionally identical to the Modbus version Device Info Click this button to display the Device Configuration dialog box DeviceConfiguration ML ou MLPOM Add Click this button to configure a new device The Add Device Configuration dialog box will appear Add Device Configuration A DDE Server User s Guide Chapter Four Menus and Toolbars e 47 The PMCS DDE Server doesn t just look at individual devices directly instead it uses a more flexible virtual addressing s
97. tions port to be configured using the pull down list next to COM Port Now fill in the appropriate settings in the Parameters area as described below No option is provided for Number of bits because this is always set to 8 in accordance with Modbus RTU protocol standards Select the appropriate parity for the communications port None is the default selection it is typically not changed for Modbus RTU systems Select the number of stop bits for the chosen port The default selection is 1 stop bit it is typically not changed for Modbus RTU systems Last select the Baud Rate for the comm port to match the baud rate of the devices attached to this comm port Click OK or Cancel to accept or reject the options selected Chapter Four Menus and Toolbars e 41 Ports Ethernet only Ethernet Gateway Users If your host software 1s running on an Ethernet based PC you may be using a special Ethernet device called the Ethernet Gateway to communicate to your RS 485 ports Refer to GEH 6502 the PMCS Network Architecture Guide for additional information on the PMCS physical networks This extra layer of hardware entails some minor differences in the configuration software specifically in the Ports dialog boxes These differences are explained below Clicking on the Ports button in the Ethernet version of the software displays a slightly different Port Configuration dialog box Port Configuration Configured Virtual
98. to focus its attention on only those registers of interest by not asking the Server to poll addresses that contain no data of interest we can improve the Server s potential performance Also some devices if asked for a valid register block that happens to contain invalid registers within it will return a message that the entire block is invalid Thus it can be of vital importance to identify any invalid blocks to the Server Invalid Registers From Modify Delete 72 e Chapter Six Advanced Options DDE Server User s Guide Add Click this button to access the Add Invalid Register Range dialog box Add Invalid Register Range Invalid Start Address Invalid End Address Help Cancel CN ee Enter Sddresses in Decimal Enter the start and end addresses for the invalid block following the addressing conventions Modifying an Invalid Register Block To modify an invalid register block select the block from the Invalid Registers list box and click the Modify button The Modify Invalid Register Range dialog box appears Follow the method used for adding invalid register blocks to make changes to the register block Deleting an Invalid Register Block Clicking the Delete button deletes the selected invalid register block Deleting a Register Group Clicking the Delete button deletes the selected register group Modifying a Register Group Click the Modify button to modify the regist
99. tocol menu item The Server waits for DDE clients to become active When a client requests data the PMCS DDE Server answers the request by retrieving this data from the appropriate devices Stop sets the PMCS DDE Server off line preventing it from requesting any data from devices Before you can stop the server however DDE links with client applications must be broken this may require closing the client application After the PMCS DDE Server is off line you can make configuration changes If after entering Stop mode you do not enter Configure mode a DDE request from a client automatically returns the Server to Run mode DDE Server User s Guide Suspend Protocol Resume Protocol This menu item is enabled when the Server starts running Suspend Protocol and Resume Protocol are mutually exclusive options One or the other is displayed on the Server menu depending on the current state of the program Suspend Protocol temporarily halts the operation of the DDE Server without requiring that the links be broken whereas Stop requires that the links be broken first When you select Suspend any DDE links remain intact they merely become idle until you select Resume When you select Suspend Protocol the Server stops data acquisition and the menu item changes to Resume Protocol If the I O Traffic display option is enabled choosing this option stops data acquisition and display on the server screen When you select Resume Protoco
100. tools Event Logger or Waveform Capture The data can easily be imported into spreadsheets such as Microsoft Excel for analysis and presentation The PMCS DDE Server allows you to collect data from any PMCS compatible device you can also custom configure your own device types to accommodate additional third party devices 1 The PMCS DDE Server can be configured to collect data from any device that supports Modbus RTU register based communications DDE Server User s Guide Chapter One Introduction e 1 About DDE About NetDDE 2 e Chapter One Introduction DDE is the acronym for Dynamic Data Exchange a communications protocol that allows independently developed Microsoft Windows 2000 SP2 programs to share data and instructions with each other DDE implements a client server relationship between two concurrently running programs The server application provides data and accepts requests from any other applications interested in its data The applications requesting the data are called clients Requests for data can be of two types one time requests or permanent data links With one time requests the client program requests a snapshot of the desired data from the server application An example of a one time request is a program such as Excel running a report generating macro The macro opens a temporary link to another application requests specific data closes the link and uses the data to generate the report Per
101. ured comm ports with port parameters e and configured devices with Device Name Topic Com Port Name Slave Address and Scan Interval A dialog box prompts you for a file name and location where to save the file The default file name is config txt Active Links The Active Links option available only when Server is in Run mode creates a text file containing the following information currently active comm ports and active devices along with their device type register groups and mnemonic items You will be prompted for a file name default file name is active txt The information in this text file can be useful for debugging communications problems 52 e Chapter Four Menus and Toolbars DDE Server User s Guide Help Menu The Help pull down menu is shown below The options are all standard Windows functions GE32M0DB DDE Server GE32M0DB cfg Server View Configure Reports Li Contents Port About Server Contents brings up a listing of all the topics for which help is available About Server presents the program version and copyright information Toolbar The main window toolbar contains eight icons shown below in Table 1 Click on an icon to perform the action described Function Description Z OZ OZO Oo O Starts the DDE Server Stop DDE Stops DDE Server Server Suspend Resume Suspends or resumes the DDE Server s activities When in Suspend mode this button Resumes the Serv
102. us registers than to place multiple requests for single registers This is referred to as register array format The register array format is used for the following applications e to read a block of register values into a column of cells in a worksheet such as Microsoft Excel e to pass waveform data to a client application refer to GEH 6509 PMCS DDE Server Interface Reference for details The rules for register arrays are as follows l A register array or series of consecutive registers can be treated as a block of numeric values Up to 100 sixteen bit registers or 50 thirty two bit registers can be read as a block Enter the starting register address and append 1t with type specifier A followed by the length field For example the register address R30501A12 accesses registers 501 through 512 as a block 2 When the DDE Server returns a new value for a register array to the client 1t 1s in the form of a character string containing a value for each register separated by a carriage return For example for R30021A6 the values returned might look like this 50 lt cr gt lt lf gt 17 lt er gt lt lf gt O lt cr gt lt If gt 5 lt cr gt lt lf gt 1007 lt cr gt lt lf gt 20 lt cr gt lt lt gt NOTE All arrays must be terminated by a null character ASCII 0 3 When the client application writes a value to a register array it must be in the form of a character string containing a value for each register in
103. you to select a comma separated values csv file for import The Export Mnemonics button prompts you for a file name to save the currently selected set of mnemonics as The file will be saved in CSV format Chapter Six Advanced Options e 75 Optimizing Server Performance Networks vary widely from one to another Every network has different devices different numbers of RS 485 ports to support a different number of devices and various client software requesting different amounts of data System administrators with Modbus RTU network experience may be able to analyze their particular network s needs and adjust some of the PMCS DDE Server s advanced settings to improve its performance These settings are discussed below Server Operational Parameters Clicking on this button in the Configuration dialog box causes the Server Operational Parameters dialog box to appear Server Operational Parameters Internal Server Parameters Note Changing these parameters can adversely affect servers performance Only expenenced users e should change these parameters Protocol Timer Tick 65 mes E Valid Data Timeout 5000 imsac mn E Cancel Help FRE Protocol Timer Tick The Protocol Timer Tick is the time interval in milliseconds at which protocol is executed the frequency at which the Server checks for work to do A good analogy might be that the protocol timer tick serves as a metronome or heartbeat to the Serv

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