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Ethernet Data Acquisition Systems Ethernet/Serial Interface EDAS

1. 27 4 1 Installing and Running EDAS 27 Figure 4 1 EDAS SYSCHECK Program 27 Figure 4 2 SYSGHEONK 2 itta cashes ento ie la ga t donet se 28 Figure 4 3 SYSCHECK Test Category Selection 29 Figure 4 4 Connection Error eene 30 Table of Contents Figure 4 5 EDAS SYSCHECK Serial I O Test of EDAS 1025E 1 Unit 31 4 2 Trouble Shooting 32 Figure 4 6 The PING Utility HH 32 Table 4 1 Status LED 1 35 Appendix A 37 Appendix B Specifications 39 Appendix TCP IP Reference 43 C 1 IP Addresses Gateway Addresses and Subnet Masks 43 Reserved Addresses i oot ite etr Eee eH ee stes Oba id et Oe Hee ened 45 C 2 Configuring Your PC s to use 45 Before YOU Eo e en antec pit pO ed tee 45 Informatio
2. POWER POWER Power Options ON STS LNK TX RX 10 LPP002 LPPO003 User Supplied 90 120 VAC In 230 VAC In Power Source to 24 VAC Out to 24 VAC Out 15 28 VAC or 20 24 VDC Approx 0 25 Amp Min Figure 3 2 Connecting Power to the EDAS 1025E Unit Note Board Only versions EDAS 1025E 1G and 2G require a 5 VDC input Approx 0 25 Amp Min 14 Chapter Three Configuration and Installation 3 1 2 Configuring the EDAS 1025E Unit using SYSCHECK EDAS SYSCHECK allows you to configure an EDAS unit and test the I O functions provided by the unit EDAS SYSCHECK supports configuration of the basic set up parameters of any EDAS unit the IP Address the Subnet Mask and the Gateway address Each of these parameters must be set for a new EDAS before you can communicate with it over Ethernet Once configured with proper address parameters you can use EDAS SYSCHECK to establish a network connection with the unit and test its basic I O functions to verify that a unit is functioning properly Installing EDAS SYSHECK and running the various I O function tests is discussed in Chapter 4 This manual section just covers the configuration functions of EDAS SYSCHECK NOTE The most recent version of EDAS SYSCHECK at the time this manual was written is version 3 0 This version runs only on Windows 95 98 and Windows NT Configuring an EDAS unit is a three step process First y
3. Table 4 1 Status LED Codes Status LED Code Meaning OFF constantly no blinks ON constantly no blinks 1 blink 2 blinks 3 blinks 4 blinks 5 blinks 6 blinks 7 blinks 8 blinks 9 blinks 10 blinks 11 blinks 10 blinks 11 blinks 12 blinks 13 blinks 14 blinks 15 blinks No Power on Test errors were encountered unit is OK A Fatal error occurred Fatal errors include Processor failure ROM errors or RAM failure If a Processor test failure occurred there is a likelihood the processor will not be able to light the Status LED If a ROM failure occurred the Status LED may or may not light depending on the cause of the failure The processor is halted after a fatal error Non Volatile RAM read test error Non Volatile RAM checksum test error RAM test error in second 128 Kbytes of on board RAM performed on EDAS 1002E and EDAS 1031E models only Ethernet interface circuit SMC91C94 test error Serial Port 0 test error Serial Port 1 test error Timer Counter test error Internal Interrupt Controller test error External power test error fuse opened on 5 out pin PIC1 test error performed on EDAS 1001E EDAS 1002E and EDAS 1031E models 2 test error performed on EDAS 1001E models only Serial Port 2 test error performed on EDAS 1025E 2 four port models only Serial Port 3 test error performed on EDAS 1025E 2 four port models only Analog input test error performed
4. 5 SYSCHECK Figure 4 3 Example SYSCHECK Test Category Selection Window Each of the I O types supported for testing by SYSCHECK has a corresponding button to launch anew window for testing that I O type on the EDAS unit To change which EDAS unit is being tested close all test windows and return to the Configuration page to change the IP Address New test windows opened after the configuration change will communicate with the new EDAS Note that it is not necessary to use the Program page to simply change which EDAS is being tested Also the EDAS unit does not need to be connected to the serial port of the PC to perform the test The Serial I O test is demonstrated below 29 Chapter Four Checking the System NOTE When test is started short application initialization period will occur before the test window is displayed If a link could not be established with the EDAS unit an error message will occur such as that shown in Figure 4 4 after an extended initiation attempt Connection Error The connection to the EDAS unittimed out This might indicate that the network cable was not connected or that you changed the IP address and forgot to cycle power to the unit prior to connecting to it over Ethernet Figure 4 4 Connection Error Notice If the link is unsuccessful first check that you used the correct IP address Refer to the Trouble Shooting Tips Section 4 2 if problems persist If the connection is
5. Appendix TCP IP Reference Information Appendix C TCP IP Reference Information This appendix provides background information on TCP IP addressing Windows 95 TCP IP configuration for LAN use and information on configuring an EDAS unit using a serial communications program C 1 IP Addresses Gateway Addresses and Subnet Masks EDAS 1000 Series Ethernet Data Acquisition Systems connect to and communicate over Ethernet IEEE 802 3 10Base T Local Area Networks LANs and use Transmission Control Protocol Internet Protocol TCP IP a standard networking protocol that provides communication across interconnected networks including the public Internet TCP IP uses three basic pieces of information to successfully transmit and receive data between devices or hosts on networks The IP address Gateway address and Subnet Mask Every host on a TCP IP network is identified by a unique 32 bit IP address IP addresses are typically represented using dotted decimal notation Using this format each byte 8 bit segment of the 32 bit address is represented by a decimal number 0 255 and separated by a period A gateway address is the IP address of a router or gateway device on the network A gateway links one network to another and always has at least two network interfaces If a host on one network wants to communicate with a remote host on another network the gateway will recognize that the IP address of the remote host is not on the
6. Mounting hole locations of OEM models are shown in Appendix B Specifications Chapter Two System Description This page intentionally left blank 10 Chapter Three Configuration and Installation Chapter 3 Configuration and Installation Prior to putting your EDAS 1025E unit to practical use you will need to e Configure the unit s network addresses e Install and configure TCP IP on your network PC s e Physically install the EDAS 1025E unit on your Ethernet network e Verify that the system is communicating correctly Once you have confirmed the last item above you will be ready to start connecting serial I O devices and developing network serial data application s This chapter will guide you through the steps required to get the EDAS 1025E unit up and running To create and run applications with Visual Designer 4 0 you must have either Windows 95 98 or Windows NT installed on your client computer s Also a TCP IP protocol stack configured for operation on a LAN must be installed and functional on your computer TCP IP software is supplied with Windows 95 98 and Windows NT TCP IP configuration for Windows 95 is given in Appendix C of this manual IMPORTANT Any PC used to communicate with the EDAS 1025E unit over your Ethernet must have an installed and functioning Ethernet interface adapter Due to the large number of Ethernet interface adapters available this manual does not address specific set up
7. TX RTS CTS DSR DTR DCD and RI A pin out diagram is provided in Appendix A Use of the control and status line signals RTS CTS DSR DTR DCD and RI are dependent on the hardware and software implementation for your applications Further guidance on these topics is provided in the Net Link software reference manual and in standard literature on serial communications Chapter Two System Description Power EDAS 1025E 1 and 2 units are designed to operate off of 24 VAC power The unit will actually accept input voltages in the range of 15 28 VAC or 18 40VDC The on board circuit produces 5 VDC from the input voltage provided Input power is connected to the unit at the 2 position plug in type power terminal on the unit s rear panel The unit does not have a power switch If input power is connected the unit is on An LED is provided on the rear panel to indicate power to the unit Power adapters are available for use with the EDAS 1025E units one for US power LPP002 120V AC and one for European power LPP003 230VAC These adapters terminate to screw terminal plugs that mate with the plug in type terminal connector on the rear panel of the unit NOTE The OEM board only models EDAS 1025E 1G 2 port and 2G 4 port require 5 VDC 25A for power Package The EDAS 1025E unit is housed in a standard metal enclosure that is 5 125 D x 7 29 W x 1 70 H 13 0 D x 19 56 cm W x 4 32 cm The enclosure is made
8. 10Base T Controller SMC91C94 Buffer RAM Internal 4 Kbytes EEPROM Serial 1024 Bits Interface RJ45 connector SERIAL PORTS Number of Ports 2 or 4 dependent on version type Supply Voltages 3 Kohm Load 6 V TX and RTS active Interface Dsub9 connector POWER SUPPLY Enclosed Unit w case 24 VAC P Unit 5 VDC Enclosed Unit w case 15 to 28 VAC Enclosed Unit w case 18 to 40 VDC Current 1 2 24 125 mA typ 1G 2G 5VDC 250 mA typ 5 VDC Max 1 Amp PHYSICAL CHARACTERISTICS Package Case Size 5 125 D x 7 29 W x 1 70 H 13 0 D x 19 56 cm W x 4 32 cm H Case Material Steel OEM Board Only Versions 4 50 D x 7 00 W x 1 10 H 11 43 D x 17 78 W x 2 79 cm H Operating Temperature Range 0 to 50 C NOTE All specifications are typical at 25 unless otherwise noted 39 Appendix Specifications OEM Board Dimensions 126 STANDOFF CHASSIS GROUND 4PL 125 4 PL re ES of lol qo ism 9o TENE Los ALME DION 79 4 40 Appendix Specifications OEM Board Dimensions Cont 11 AS tgo ELE S 5 00000 41 Appendix Specifications This page intentionally left blank 42
9. 22 IP address 43 L LabVIEW EDAS Support Library 4 LEDs 9 M Making address changes effective 19 Maximum data rate 21 Mounting hole locations 40 Multiple EDAS 1025E units 23 N Net Link Software Libraries 2 Network classes 43 Network ID 43 Network parameters 11 Number of clients 35 O OEM board dimensions 40 OEM models 3 9 Operating system requirements 11 Operation overview 2 55 Index Package 9 Physical network configurations 22 PING 32 Pinouts 37 Power 5 9 14 Powering the unit 13 Power up status 9 Prevent reconfiguration 20 Processor 7 R RAM 8 Reserved IP addresses 45 RJ 45 connector 37 RS 232 connector 37 RS 232 lines 3 8 RS 232 signals 37 RS 485 21 S Setup commands 50 Simplest network configuration 22 Special character sequence 20 56 Special sequence 50 Specifications 39 Subnet mask 43 Subnetworks 44 Supported RS 232 3 SYSCHECK 5 13 27 System description 7 System requirements 4 T TCP IP protocol stack 28 TCP IP reference information 43 Trouble shooting 32 Typical applications 2 U Using SYSCHECK to configure the EDAS 15 V Visual Designer Version 4 0 4 W Windows 95 TCP IP setup 47
10. EDAS 1025 Configuration nennen nnn 11 3 1 1 Preparing the EDAS 1025E Unit for 12 Figure 3 1 EDAS 1025E Front and Rear Views 12 Getting the Unit 13 Figure 3 2 Connecting Power to the EDAS 1025E 2 14 3 1 2 Configuring the EDAS 1025E Unit using 15 Figure 3 3 EDAS SYSCHECK Configuration 16 Figure 3 4 EDAS SYSCHECK Program 17 Figure 3 5 EDAS SYSCHECK Program Page After Serial Connection 18 9 9 H9 232 5 2 Sud 20 3 2 Installing an EDAS on your 22 Figure 3 6 Simplest Network 22 Figure 3 7 Small Scale Multiple PC and EDAS 1025E Unit Configuration 23 Figure 3 8 Methods of Expanding the 24 Figure 3 9 Example Remote Access 25 Chapter 4 Checking the
11. HISTORY VERSION DATE REVISION 1 0 990514 Original release of edited version of 855M487 Added SYSCHECK 3 0 and corrected stop bits parameter 1 stop bit supported only without the starter kit with updated installation instructions and a new case Table of Contents Table of Contents Chapter 1 emis 1 1 1 E coena venen ce 1 1 2 Introduction to the EDAS Ethernet Serial Interface 1 Operation OVetrViGW ever mund dra sete ae 2 Packaged EDAS Ethernet Serial Interface 3 edes pete o ee T dte deae 3 1 3 System 4 1 4 ACCOESSOMIOS is 6 Chapter 2 System Description 7 Figure 2 1 EDAS 1025E Functional Block 7 Processor 4 Le ere LN een Bde e 7 mitur ss 8 Serial SUbSySslem n i i ree e ot ite Secr 8 do e LE 9 9 Chapter 3 Configuration and 11 3 4
12. System Requirements Hardware and software items required to use an EDAS Ethernet Serial Interface unit include the following e An Ethernet network with an available 10Base T hub or repeater connection e Acomputer with a serial port to initially configure the EDAS Ethernet Serial Interface unit s network parameters A computer connected on the same Ethernet network as your EDAS Ethernet Serial Interface unit This computer must have its own Transmission Control Protocol Internet Protocol TCP IP software stack installed and running to communicate with the EDAS Ethernet Serial Interface unit e Software on your computer s to control the EDAS Ethernet Serial Interface unit Software support is listed below Application Generator Software Intelligent Instrumentation s Visual Designer Version 4 0 Application Generator Software for Windows 95 98 NT with the Visual Designer EDAS Support Library Version 4 2 Note Version 4 2 of the EDAS support library is provided on the EDAS CD Visual Designer 4 0 must be purchased separately To install Visual Designer 4 0 you must have either Microsoft Windows 95 98 or Windows NT installed on your computer Visual Designer 4 0 requires an 80486DX or better based PC with a minimum of 12 Mbytes of Random Access Memory RAM and approximately 20 Mbytes of free hard disk space for full installation A mouse or other pointing device is also required graphics accelerator and 16 Mby
13. activity LEDs are also provided If the RX LED is not lit then a connection problem may exist If the LNK LED is off then the EDAS 1025E unit probably does not have a good connection to the network Check the cabling Note High signal crosstalk on network cable segments may also cause link problems even if the link LED indicates a connection If you connect the EDAS 1025E unit and your PC directly using the 10Base T cross over adapter you can readily verify if the cable PC Ethernet card or the EDAS 1025E unit is at fault Link lights at both ends should be lit Other possibilities If another device on the network is using the IP address you have programmed into the EDAS 1025E unit connection problems will occur Also if someone else is running SYSCHECK to test the same EDAS 1025E unit as you are and is running a test that conflicts with the input output configuration of the test you want to run access to the EDAS 1025E unit will be unsuccessful Chapter Four Checking the System Up to 8 clients can talk to a single EDAS 1025E unit but the ports these clients read or write data to or from must be configured the same way That is a port cannot be an input and an output at the same time Provisions to lock out other users from attempting to alter the EDAS 1025E unit s configuration are provided through software support The unit may be damaged A table of the possible errors reported through the Status LED is given below
14. details concerning these devices or their use with specific vendor network operating software 3 1 EDAS 1025E Configuration Before you can use your EDAS 1025E unit it must be configured with an IP Address Subnet Mask and a Gateway Address You cannot use the factory default address settings e Ifyou are connecting the EDAS 1025E unit to an established network within your organization contact your network administrator to obtain appropriate network parameters IP Subnet and Gateway e f you are setting up a closed network consisting of one or more PCs one or more EDAS 1025E units the actual addresses are not critical but must conform to certain requirements In this case please refer to the TCP IP addressing requirements discussed in Appendix C at the rear of this manual or seek the help of someone with Internet protocol knowledge Address set up information is written to the EDAS 1025E unit from a PC through the serial port COMI located on the front panel of the unit Once configured the address information will remain stored in the unit s internal EEPROM If need be the addresses can be reconfigured later 11 Chapter Three Configuration and Installation After showing how to connect power and the serial port how to configure an EDAS 1025E unit using SYSCHECK is presented Although NOT recommended you can also configure a unit using a general purpose serial communications program If you must use t
15. network e the above items check out and communication is still not working then you should PING the unit PING which stands for Packet INternet Groper is a common trouble shooting utility program that is supplied with most TCP IP packages Many versions of PING are DOS based For example the figure below shows the information displayed on screen when PING not followed by any command line parameters is entered at the Windows 95 DOS prompt MS DOS Prompt Pale Auto z HES ej El gjs A Microsoft R Windows 95 CC Copyright Microsoft Corp 1981 1995 C WINDOWS gt ping Usage ping t a n count 1 size f li E v T0S r count s count j host 11st k host 11st w timeout destination list Options t Ping the specifed host until interrupted a Resolve addresses to hostnames count Humber of echo requests to send l size Send buffer size f Set Don t Fragment flag in packet Time To Live v TOS Type Of Service r count Record route for count hops s count Timestamp for count hops j host list Loose source route along host list k host list Strict source route along host list w timeout Timeout in milliseconds to wait for each reply Cz WINDOWS gt Figure 4 6 The PING Utility 32 Chapter Four Checking the System If a space followed by an IP Address is typed in after PING at the command line the program will attempt to contact the device
16. of durable steel The entire assembly is secured with four screws front panel contains the two or four RS 232 Serial ports depending on the model chosen The EDAS 1025E unit is DIN Rail mountable with the EDAS 1029A 1 DIN Rail Mounting Kit The 10BaseT and power connectors available on the rear panel as well as LED s which indicate power CPU power up status STS and Ethernet Transmit TX Receive RX and Link LNK IMPORTANT NOTE If a failure has occurred somewhere in the EDAS system the STS LED will blink a number of times after power up pause then blink the same number of times The number of blinks between pauses indicates a specific internal system error code This pattern will repeat three times before stopping If you observe this behavior shut down the unit and check that the power source to the unit is functioning If the STS indicator still blinks after the unit is re powered record the number of blinks and contact the factory for assistance at 1 800 685 99 or through our web site www instrument com Board only models OEM of the EDAS 1025E are also available to those who wish to incorporate this innovative design into a larger system These board only models EDAS 1025E 1G 2 port and 2G 4 port are powered from 5 VDC and allow the circuit board to be mounted directly into your equipment Board dimensions of OEM models 4 50 D x 7 00 W x 1 10 H 11 43 cm D x 17 78 cm W x 2 79 cm
17. on EDAS 1002E and EDAS 1031E models only Indicates that the analog input section is out of calibration or possibly damaged Rate Generator and FIFO test error performed on EDAS 1002E and EDAS 1031E models only FIFO filling test error performed on EDAS 1002E and EDAS 1031E models only FIFO emptying test error performed on EDAS 1002E and EDAS 1031E models only These tests may fail if the board was incompletely reset even for functioning parts Try repeating the Power on Self Tests after powering the board down for several seconds 35 Chapter Four Checking the System 36 This page intentionally left blank Appendix A I O Connectors I 0 5 10BaseT RJ45 CONNECTOR Function Pin 1 Pin 8 RX N C N C RX N C Pin 8 N C EDAS Connector Pin 1 Appendix A I O Connectors Rear Panel RJ 45 Cable Connector RS232 SERIAL PORT DSUB9 CONNECTOR Function DCD RX TX DTR GND DSR RTS CTS RI 37 Appendix A I O Connectors This page intentionally left blank 38 Appendix Specifications Appendix B Specifications Parameter Condition Specification RESET CONTROLLER Threshold Voltage Reset Active Time out Period 4 25 V to 4 50 V 240 msec 40 to 85 C 40 to 85 C 140 msec to 560 msec ETHERNET Protocol Twisted Pair
18. port driver for Windows 95 98 Visual Designer 4 0 Application Generator Software for Windows 95 98 NT Chapter Two System Description Chapter 2 System Description The EDAS 1025E Ethernet Serial Interface unit is a system designed to transfer information from the Serial ports to the Ethernet local area network It offers one 10BaseT Ethernet port and two or four RS 232 serial ports depending on the model chosen The Ethernet communication port is accessible from the rear of the unit while the Serial ports are located in the front of the unit Incorporating the basic functionality of the microprocessor and Ethernet systems from the EDAS product family with a newly developed serial interface the EDAS 1025E offers enhanced performance to support rates up to but not limited to 9600 baud RS232 SERIAL PORT RS232 SERIAL PORT RS232 SERIAL PORT RS232 SERIAL PORT LH LH LH H RS232 DRIVER RS232 DRIVER RS232 DRIVER RS232 DRIVER DUAL UART 1 843 MHz OSC 40 MHz OSC 1K SERIAL EEPROM 20 MHz uPROCESSOR DUAL UART 256K 128K ROM RAM ETHERNET CONTROLLER STATUS LED TRANSMIT LED TX RECEIVE LED RX LINK LED RJ45 10BASET PORT 2 PORT POWER POWER LED Figure 2 1 EDAS 1025E Functional Block Diagram Processor Subsystem Communications with EDAS unit as well as programming and opera
19. set the IP address of the unit type in NInnn nnn nnn nnn lt ENTER gt Where nnn are the decimal digits of the IP address There must be no spaces anywhere in the line Upper or lower case letters do not matter After the address is written into the unit s EEPROM it will be read back Verify that the value read back is correct before continuing To enter the Subnet Mask and Gateway Address substitute NS or NG for NI in the above command line After setting all needed address parameters unplug the EDAS unit and re apply power This causes the changes to take effect To check the settings again type in lt ENT ENT ENT e lt a lt q lt ENT ER gt ER gt ER gt ER gt Then type in one or more of the following commands to read back the programmed values NRI lt ENTER gt or To read back the IP Address NRG lt ENTER gt or To read back the Gateway Address NRS lt ENTER gt To read back the Subnet Mask 51 Appendix TCP IP Reference Information This page intentionally left blank 52 Appendix DIN Rail Mounting Kit Appendix D EDAS 1029A 1 DIN Rail Mounting Kit The EDAS 1029A 1 DIN Rail Mounting Kit allows the EDAS 1025E unit to be mounted on standard DIN equipment rails The kit contains an anodized aluminum mounting plate snap on DIN rail mounts and mounting screws to secure the EDAS to the plate How t
20. specified by the IP address If the EDAS 1025E unit does not respond when pinged then ping your own PC If the PC doesn t respond then the Ethernet card or the TCP IP configuration has failed most likely the card Ensure that the IP and gateway addresses are still properly specified and that no conflicts exist with other network devices You may have to consult your network administrator If the PC responds but the EDAS 1025E unit does not check to see if the EDAS 1025E unit is still powered and connected If so there is a loss of connection on the Ethernet somewhere between the PC and the EDAS 1025E unit First check to make sure your PC and EDAS are still properly connected to the network If yes then your network administrator should locate and correct the problem If the unit does respond to a ping but still won t communicate with SYSCHECK check to see if the EDAS IP address is still properly specified within SYSCHECK Some example ping responses are shown below Example 1 Successful Contact CN WINDOWS ping 192 168 168 2 ging 192 168 168 2 with 32 bytes of data ly from 192 168 168 2 bytes 32 time 14ms TTL 60 ly from 192 168 168 2 bytes 32 time 14ms TTL 60 ly from 192 168 168 2 bytes 32 time 14ms TTL 60 ly from 192 168 168 2 bytes 32 time 14ms TTL 60 WINDOWS Example 2 Unsuccessful Communication due to time out The unit is not pow
21. successful the test window will open and the model number and IP address of the EDAS unit will be shown at the top of the test window Serial Input Output Test This test allows you send and receive ASCII character data via any or all serial I O port s on an EDAS unit Up to four ports are supported to accommodate EDAS 1025E 2 units 30 Chapter Four Checking the System Serial Input Output Test Cone STV Figure 4 5 EDAS SYSCHECK Serial I O Test of an EDAS 1025E 1 Unit The Input Data field displays data received by the unit To output data from an EDAS serial I O port type the data in the Output Data field and click on the Send Now button To test a serial port you may want to connect a serial cable from a port on your PC to a port on the EDAS unit If you run a general purpose communications program such as Hyper Terminal 9600 8 1 in addition to the SYSCHECK serial I O test you can simulate serial device data 31 Chapter Four Checking the System 4 2 Trouble Shooting Tips If you cannot successfully communicate with the EDAS 1025E unit here are some things you can try to find the problem e Ifthe unit stops communicating or does not communicate you should always try checking the obvious first Is the EDAS 1025E unit powered Is the 10Base T Ethernet cable connected Are the IP Address Subnet Mask and Gateway Address correctly set Is the PC connected to the
22. unit assuming that they know its IP Address of course You may wish to disable the EDAS Internet connection for security reasons so set the Gateway Address to 0 0 0 0 Once you have set configuration parameters in the Configuration property page of EDAS SYSCHECK you can move on to programming the configuration of the EDAS unit with the IP Address Subnet Mask and Gateway Address you have specified To do this first select the Program property page tab The Program property page is shown below 5 SYSCHECK x File Help Configuration fl Test COM COM1 E Attach to EDAS Write IP Address 123 123 123 123 Write Subnet Mask 255 255 255 0 Write Gateway Address 123 123 123 1 Write Ethemet Address 0 192 82 0 0 0 Current Configuration IP Address Press Attach to EDAS Subnet Mask Press Attach to EDAS Gateway Address Press Attach to EDAS Ethernet Address Press Attach to EDAS Select the serial port to which the EDAS is connected Click Attach to EDAS to read the current configuration Figure 3 4 EDAS SYSCHECK Program Page Next using the COM Port drop down selection box select the COM port COM1 COM2 on your PC that is connected to the EDAS unit through the null modem cable 17 Chapter Three Configuration and Installation Now press the Attach to EDAS button in on the Program property pa
23. INTELLIGENT INSTRUMENTATION INNOVATIVE PC Data Acquisition Solutions Ethernet Data Acquisition Systems Ethernet Serial Interface EDAS 1025E User Manual A Burr Brown Company i 855 492 V 1 0 rights reserved 1998 99 by Intelligent Instrumentation Inc Tucson Arizona USA Warranty and Repair Policy Statement General Seller warrants that its products furnished hereunder will at the time of delivery be free from defects in material and workmanship and will conform to Seller s published specifications applicable at the time of sale Seller s obligation or liability to Buyer for products which do not conform to above stated warranty shall be limited to Seller at Seller s sole discretion either repairing the product replacing the product with a like or similar product or refunding the purchase price of the nonconforming product provided that written notice of said nonconformance is received by Seller within the time periods set forth below a for all software products including licensed programs ninety 90 days from date of initial delivery to Buyer b for all hardware products including complete systems one year from date of initial delivery to Buyer subject to the additional conditions of paragraphs c and d below all 20000 PCI 600 PCI 700 series circuit card assemblies shall be warranted for the lifetime of the product subject to the limitations of paragraph d below For the purposes
24. Note The maximum number of network connections on a single network is limited by the round trip signal time required by Ethernet The time a signal needs to traverse the network is determined by the number of repeater hubs used as well as wire quality and length Packet switch hubs can be used to isolate network segments and extend the network An on line introductory text to these subjects Quick Reference Guides to 10 Mbs Ethernet by Charles Spurgeon can be found at the Internet site http wwwhost ots utexas edu ethernet ethernet home htm The following diagrams illustrate network configurations from the simplest to remote access via a Wide Area Network WAN or the Internet Cross over adapter required at one end of cable Twisted pair Ethernet cable 100 meter max EDAS Unit Serial Devices RS 232 Figure 3 6 Simplest Network Configuration 22 A cross over cable adapter is required if you need to connect the EDAS directly to a PC with a 10Base T Ethernet adapter as shown above The adapter can go on either end of the cable Since the adapter is somewhat bulky you may want to plug in the adapter on the PC end of the cable The EDAS 1025E unit can be set on a table top or it can be mounted on a DIN Rail using the EDAS 1029A 1 DIN Rail Mounting Chapter Three Configuration and Installation Figure 3 7 shows the minimum configuration for connecting multiple PCs and EDAS 1025E units A multi port 10B
25. OEM board only models EDAS 1025E 1G 2 port and 2G 4 port require 5 VDC 250 A for power e Appropriate serial cables or wiring for your serial I O application s An EDAS Ethernet Serial Interface unit is configured through one of the 9 pin RS 232 serial ports COM1 by a PC running the supplied configuration software or through any common serial communications program You simply set the unit s network address parameters and connect it to your network Chapters 3 and 4 Chapter One Introduction 1 4 Accessories The following accessories are available for your EDAS 1025E Ethernet Serial Interface HARDWARE LPPO02 LPA015 EDAS 1029A 1 EDAS 1007A 1 EDAS 1008A 1 SOFTWARE EDAS 1003S 2 EDAS 1003S 3 EDAS 10038 4 EDAS 1003S 5 EDAS 1006S 1 EDAS 1019S 1 EDAS 1026S 1 EDAS 10328 1 EDAS 10328 2 209095 Power Supply 24 VAC 90 120 VAC 60 Hz input or for International versions Power Supply 24 VAC 230 VAC 50 60 Hz input Serial Port Data Transfer Cable null modem DIN Rail Mounting Kit 10Base T Cable w Connectors RJ 45 M F Cross over Adapter Net Link Software Libraries for DOS Net Link Software Libraries for Windows Net Link Software Libraries for Windows 95 98 NT Net Link Software Libraries for UNIX SYSCHECK Diagnostic and Setup Software EDAS Support Library for Visual Designer 4 0 LabVIEW EDAS Support Library EDAS Com port driver for Windows NT EDAS Com
26. STOMERS OR USERS OF BUYER S PRODUCT AND ARE IN LIEU OF ALL OTHER WARRANTIES WHETHER EXPRESS IMPLIED OR STATUTORY INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL SELLER BE LIABLE FOR INCIDENTAL SPECIAL OR CONSEQUENTIAL DAMAGES Seller s liability for any claim of any kind shall in no case exceed the obligation or liability specified in this Warranty clause Technical Assistance and Service Seller s warranty as herein set forth shall not be enlarged diminished or affected by and no obligation or liability shall arise or grow out of Seller s rendering of technical advice facilities or service in connection with Buyer s order of the goods furnished hereunder Products returned for warranty service but which are found to be fully functional and in conformance with specifications may be subject to a nominal service charge and return freight charges Periodic re calibration of products if required is the responsibility of Buyer and is not provided under this Warranty EDAS 1025E Ethernet Serial Interface Static Sensitivity Seller ships all static susceptible products in anti static packages Seller s Warranty as herein set forth shall not cover warranty repair or replacement for products damaged by static due to Buyer s failure to use proper protective procedures when handling storing or installing products IBM PC XT AT are registered trademarks of International Business Machines Corp
27. Under almost all circumstances this will be possible If for some reason you must configure the unit with a non windows machine you can use a common serial communications program to configure the address settings of the EDAS unit Below are listed the required serial communications port parameters and the commands you need to type in through your communications program to configure the EDAS unit WARNING Do not type in anything other than the commands listed as this may cause your unit to become non functional If needed please refer to Chapter 3 Section 3 1 for instructions on connecting a serial cable powering the EDAS unit and determining the network address parameters you will enter COM Port Parameters To communicate with the EDAS unit you must configure the COM port you will be using with the following parameters Baud Rate 9600 baud Data Bits 8 Parity None Stop Bits 1 Flow Control None Local echoing should be off in the communications program Serial Set up Commands After the communication parameters are properly set you can begin typing in commands e First type the following commands lt ENTER gt Activates setup command mode e lt ENTER gt Nothing will happen e will not be displayed a lt ENTER gt a will be displayed q lt ENTER gt q will overwrite a and time usage information will be returned 50 Appendix TCP IP Reference Information To
28. alling TCP IP e From Control Panel double click on the Network icon then click on the Configuration tab in the dialog box that appears If your list of installed network components contains TCP IP click on the Properties button and go on to the next topic in this section entitled Setting TCP IP Parameters If the list of installed network components does not contain TCP IP as seen below press the Add button to select a new network component to install Network 21x Configuration Identification Access Control The following network components are installed ESI Client for NetWare Networks 9 3Com EtherLink III 154 3C509 3C509b ISA mode IPX SPX compatible Protocol Properties Primary Network Logon Client for NetWare Networks Eile and Print Sharing r Description Figure C 1 Network Configuration Dialog Windows 95 In the dialog box that appears Figure C 2 select Protocol then press Add This will open the Select Network Protocol Type dialog box Figure C 3 47 Appendix TCP IP Reference Information Select Network Component Type 21x Click the type of network component you want to install Add Cancel Protocol is language a computer uses Computers must use the same protocol to communicate Figure C 2 Network Component Type Selection Dialog First sel
29. and processing reside on network client computers Included in the processor subsystem are an interrupt controller and a power supervisory circuit Interrupt signals are generated by the unit s Ethernet interface controller and the RS 232 serial ports These interrupt signals can tell the processor for example that incoming network or serial port data is available Supervisory functions generate a reset signal to the unit during power up Ethernet The EDAS 1025E unit provides an Ethernet controller with a twisted pair 10BaseT interface and a 4K byte buffer memory A serial EEPROM is provided for node ID and configuration option storage The Ethernet interface includes transmit and receive filters and diagnostic LED indicators located on the rear panel of the unit It performs collision detection re transmission automatic polarity detection and correction on the twisted pair 10 cable An 8 pin RJ 45 10Base T connector is located at the rear of the EDAS unit for connecting the device to the network Serial Subsystem The serial subsystem combines dual UARTS with 5V driven RS 232 transceivers to achieve baud rate of at least 9600 Two or four RS 232 9 pin serial ports are available on the EDAS 1025E unit depending on the model chosen One of the 5232 serial ports COM1 on the front panel is used for the initial configuration of the unit Each port supports the standard RS 232 connections for 9 pin ports GRND RX
30. ase T repeater hub is required to connect multiple devices Cross over adapters are not required in this case 10Base T Ethernet Repeater Hub EDAS Unit Serial Devices RS 232 EDAS Unit Serial Devices RS 232 EDAS Unit Serial Devices RS 232 Figure 3 7 Small Scale Multiple PC and EDAS 1025E unit Configuration Figure 3 8 shows how to expand the configuration shown in Figure 3 7 with an additional repeater hub A cable with a cross over adapter is required to connect the two repeater hubs 1 Additional repeater hubs can be connected to expand the same Ethernet until the round trip time limit is reached 2 Packet switched type hubs can be used to connect the network to other separate Ethernets 3 Gateway devices or IP routers can be used to connect the network to other separate Ethernets to an Internet Service Provider WAN 23 Chapter Three Configuration and Installation 10Base T Ethernet Hub to Hub connection requires cross over 10Base T Ethernet Repeater Hub Repeater Hub 5 2 EDAS Units es SSN ad DETUR LER AD EDAS Units AC SS Serial Devices Z 4 88 232 3 e IP Router or Gateway to Packet Switched Hub to a Additional Repeater Hub to more another LAN or to an Separate Ethernet Network Devices on the same Ethernet Internet Service Provider Figure 3 8 Methods of Expanding t
31. ble enterprise wide Our customers have embedded EDAS 1025E units in machine process and environmental monitoring and control applications EDAS systems utilize an integral Transmission Control Protocol Internet Protocol TCP IP protocol stack that provides synchronous and asynchronous client server communications to a variety of host platforms including Windows 3 x 95 NT UNIX and DOS Monitor and control serial instruments scales smart sensors machines and HMI data collection terminals with the bi directional RS 232 port EDAS systems interface to popular SCADA software packages such as FIX InTouch LabVIEW and FactoryLink PC Based Data Acquisition and Control Test equipment process monitoring engine analyzers medical instruments environmental controls temperature monitors equipment simulators pollution monitoring and laboratory automation are just a few application areas where PC based data acquisition can reduce costs and improve productivity Intelligent Instrumentation s data acquisition and control software and Preface vi hardware supports remote Ethernet systems RS 232 422 485 communications IEEE 488 instruments parallel port and plug in boards Our versatile line of plug in boards offers a wide range of performance providing countless analog and digital I O combinations and sampling rates up to 100MHz Industry Standard Signaling Conditioning For PC Based Data Acquisition Intelligent Instrumentation offers comp
32. cts allow you to capitalize on your existing information systems infrastructure to economically improve productivity and performance Based on open systems standards this enables the seamless integration of our hardware and software products into your existing network using common operating systems communications protocols and connectivity methods Visual Designer Powerful Data Acquisition And Control Software Windows 95 NT Visual Designer Data Acquisition and Control Software lets you quickly and easily create custom data acquisition human machine interface test instrumentation measurement and control applications without time consuming text based programming Visual Designer provides native 32 bit support for Ethernet data acquisition systems RS 232 communications IEEE 488 instruments parallel port systems and a wide variety of PC based plug in I O boards Select from a wide range of function blocks including I O DSP data conversion communications math logic control waveform and number generation user interface I O DDE Net DDE OLE including object linking and OLE automation and much more Ethernet Data Acquisition Systems Ethernet Data Acquisition Systems EDAS provide an open system approach allowing analog discrete and serial performance data to be shared in real time over any Ethernet LAN or over the Internet You can monitor cycle times up down time parts counts temperature data etc and make this data availa
33. d Signals supported through the unit s firmware are RX Receive TX Transmit and GND Ground as well as various handshaking signals Pinout information is provided in Appendix A at the rear of this manual In addition to general serial I O a serial port COMI is also used for sending setup commands to the unit for configuration purposes Section 3 1 Because of this dual purpose certain precautions must be observed to prevent a serial I O device or instrument connected to this port from reconfiguring the EDAS 1025E unit IMPORTANT NOTE An RS 232 serial port COM1 on the EDAS 1025E unit is also used for configuring the unit s network address IP Gateway Subnet parameters through the unit s executive program Special precautions have been incorporated into the firmware of the EDAS 1025E models to help prevent a serial device from accidentally activating a unit s executive program First a special sequence 9 0 CR must be issued in order for setup mode commands to be accepted Second once RS 232 port has been configured for serial I O operation through the Net Link driver function call nSERIAL Configure or through the Visual Designer nSerial block the executive program will not process setup command codes received through this port until a power Off On cycle occurs If the special character sequence is received by the unit from an external serial device before this port is configured the EDAS 1025E unit s i
34. ddress settings except for the Ethernet Address see note above are purposely unusable You must configure a new EDAS unit with valid address settings IP Address Subnet Mask and Gateway Address suitable for use on your particular network A short description of each field is given below The format of the IP Address is XXX XXX XXX XXX That is it consists of four values each of which is between and 255 separated by period characters Refer to Appendix C of this manual and or your network administrator for information on proper IP address values The Subnet Mask value is set in a similar format to that used by the IP Address The most common Subnet Mask value is 255 255 255 0 which is also the SYSCHECK default If your network configuration requires a different value set it now Chapter Three Configuration and Installation The Gateway Address specifies the IP address of another device on your network the Gateway A Gateway provides a point where one network segment can be attached to another In this way devices on one segment of the network can communicate with devices on the other network segment through the gateway device which forwards packets of data from one segment of the network to the other as necessary Your Gateway may connect your local area network to the public Internet If this is the case specifying the address of the gateway in your EDAS configuration will allow users around the world to communicate with the
35. ded further by assigning 1 bits in the default 0 positions of the mask This means that more subnetworks are possible but at the expense of fewer hosts per subnetwork In many situations this type of subnet configuration is more appropriate than the default case Appendix TCP IP Reference Information Whatever the number of interconnected subnetworks it is important to remember that all hosts computers EDAS units etc on the same subnet must use the same subnet mask and Network ID to avoid routing problems Never attempt to set a host to an address already used by another device on the network Each device on an IP network must be assigned a unique IP address valid for its particular network Reserved Addresses If you are setting up a private network that is one that is not intended to be connected to the public Internet or directly to an existing network you should select address numbers from the Internet Assigned Numbers Authority IANA list of reserved IP addresses for private networks The address ranges for these numbers are listed below 10 0 0 0 to 10 255 255 255 172 16 0 0 to 172 31 255 255 192 168 0 0 to 192 168 255 255 These addresses are filtered by Internet Routers and therefore do not have to be globally unique The document describing these numbers is RFC 1597 Address Allocation for Private Internets which is available though various Internet sites If you later require unique addre
36. e and reapply power to the EDAS so that your new settings are stored in the unit Failure to perform this step after configuration may result in I O testing being unable to connect to the unit After the EDAS unit has been programmed you are ready to connect the unit to your Ethernet network and begin testing the unit s I O If they are not already the PC s or other computers you intend to use for communicating with the EDAS unit s over your Ethernet network must be configured for use with TCP IP The following list points you to areas in this manual which discuss these topics e Appendix C provides general information on TCP IP addressing and specific information on Windows 95 TCP IP configuration for Local Area Network LAN use and an alternative method for configuring the TCP IP address of an EDAS 1025E unit we highly recommend that you only use SYSCHECK though e Section 3 1 3 of this chapter provides information on connecting and using unit s serial I O port s for communication with RS 232 devices e Section 3 2 of this chapter provides information on various physical network configurations e Chapter 4 shows you how to install and use SYSCHECK diagnostics Tables showing the unit s I O connectors and serial I O port pin definitions are given in Appendix A at the rear of this manual CAUTION For applications where these devices are being used to generate output signals for control or other sensitive purposes the statu
37. e include the Baud rate s supported by the device the cable length and quality the noise environment and the overall processing load placed on the EDAS 1025E unit which may include access from multiple clients and simultaneous analog I O activities Baud rates supported by an EDAS 1025E unit and through support software are 300 600 1200 2400 4800 9600 14400 and 19200 bits per second Higher Baud rates 38400 57600 and 115200 bits per second may be used however serial I O errors are more likely Other supported communication parameters include even odd or no parity 7 or 8 data bits 1 stop bit and flow control options DTR DSR and RTS CTS 21 Chapter Three Configuration and Installation 3 2 Installing an EDAS on your Ethernet This section discusses some of the physical network configurations in which an EDAS 1025E unit might be used After connecting the EDAS 1025E unit review the I O connections information in the next section of this chapter Then go to Chapter 4 for directions on verifying proper network communication between the EDAS 1025E unit and your computer s using SYSCHECK The EDAS must be connected to a 10 Mbs Twisted Pair media Ethernet Use only a Category 5 high quality twisted pair straight through cable with RJ 45 type connectors Generally the maximum cable length that can be used for a point to point Ethernet connection is 100 meters 328 ft
38. e power range Case dimensions 5 125 D x 7 29 W x 1 70 H Power supply ranges 90 120 VAC 230 VAC adapters or 15 to 28 VAC or 18 to 40 VDC direct power input Embeddable board only models for OEM applications 5 operation required The EDAS Ethernet Serial Interface provides for customized configurations to fit your individual system application needs A wide variety of applications may be achieved through system integration Some typical system applications are as follows Embedded Ethernet interface for equipment and instruments that currently have serial interfaces Automated machine monitoring Ethernet access to remote terminals Security and access control Process monitoring Ethernet access to PLC s Remote data acquisition Operation Overview The EDAS Ethernet Serial Interface units are stand alone systems that connect to and communicate over Ethernet IEEE 802 3 10Base T Local Area Networks LANs They use Ethernet and Transmission Control Protocol Internet Protocol TCP IP a standard networking protocol that provides communication across interconnected networks Each EDAS 1025E unit has a TCP IP stack built in and receives its own unique network IP address configured through one of its on board RS 232 serial ports COMI These features allow you to integrate acquired data with your facility wide or world wide network making the data available for use by other networked resources or for further processing by personal or c
39. ect Microsoft under the Manufacturers list in the Select Network Protocol dialog box Next select from the Network Protocols list that appears Press the OK button to begin installation Select Network Protocol x S Click the Network Protocol that you want to install then click OK If you have X an installation disk for this device click Have Disk Manufacturers Network Protocols Banyan IPX SPX compatible Protocol Digital Equipment DEC Have Disk Figure C 3 Select Network Protocol Dialog Depending on how you originally installed Windows 95 you might be asked to insert Windows 95 install disks to complete the TCP IP protocol installation Just follow the instructions presented After TCP IP is installed you will be brought back to the Network configuration dialog you started with Figure C 1 and TCP IP will appear in the list of installed network components Highlight or click on the TCP IP entry in the Network configuration dialog and press the Properties button to begin setting the TCP IP properties for your computer 48 Appendix TCP IP Reference Information Setting TCP IP Parameters e Click on the IP Address tab in the TCP IP Properties dialog box The section of the TCP IP Properties dialog is shown below TCP IP Properties 2 1x Bindings Advanced DNS Configuration Gateway Config
40. er incidental or restricted radiation devices industrial scientific or medical equipment or from any authorized radio user The operator of a computing device may be required to stop operating his device upon a finding that the device is causing harmful interference and it is in the public interest to stop operation until the interference problem has been corrected The user of this equipment is responsible for any interference to radio or television reception caused by the equipment It is the responsibility of the user to correct such interference EDAS 1025E Ethernet Serial Interface ii Declaration of Conformity Application of Council Directive s 73 23 EEC 89 336 EEC Standard s to which Conformity is Declared EN60950 EN55022 EN50082 1 Manufacturers Name Intelligent Instrumentation Inc Manufacturer s Address 2425 East Medina Road Tucson Arizona 85706 USA 1 Type of Equipment LAN Ready Data Acquisition System Model s EDAS 1025E XX Ethernet Data Acquisition Systems We the undersigned hereby declare that the equipment specified above conforms to the above Directive s and Standard s Place 2425 East Medina Road Tucson Arizona USA o Date 3 2 98 Richard A Daniel V P Product Management Place Esslinger Strasse 7 r 70771 Leinfelden Echterdingen f Date 3 2 98 Jochen Weiland Gesch ftsf hrer Il GmbH EDAS 1025E ETHERNET SERIAL INTERFACE USER MANUAL REVISION
41. ered does not have the correct address the cable connection is bad the network 1 busy or the unit is damaged CX Pin WINDOWS ping 192 168 168 2 ging 192 168 168 2 with 32 bytes of data Request timed out Request timed out Request timed out Request timed out NS WINDOWS 33 Chapter Four Checking the System 34 Example 3 Unsuccessful Communication through a Gateway The unit does not exist on the other network the wrong address or addresses are programmed or any of the other reasons stated previously QNS Pin Rep Rep Rep Rep CN WINDOWS ping 192 168 168 2 ging 192 168 168 2 with 32 bytes of data ly from 172 16 73 65 Destination host unreachabl ly from 172 16 73 65 Destination host unreachabl ly from 172 16 73 65 Destination host unreachabl ly from 172 16 73 65 Destination host unreachabl ooo 0 WINDOWS A bad communications link can be checked using the diagnostic LEDs located on the rear panel of the EDAS 1025E unit and on the Ethernet card and or Ethernet hubs Ethernet devices monitor the data path for activity to check that the link is working correctly When the network is idle a link test signal is also sent to verify a link is still good If the link LED on an Ethernet card or on the EDAS unit is lit then chances are the cabling is wired correctly The link LED labeled LNK for example is located on the EDAS 1025E s rear panel Receive RX and Transmit TX
42. erial cable Intelligent Instrumentation Part LPAO15 or equivalent to the RS 232 serial port COMI on the front panel of the EDAS 1025E unit Figure 3 1 Connect the other end to an available COM port on your computer e Applying Power Turn on power to your computer Next plug the small 2 pin power adapter plug into the power input jack on the rear panel of the EDAS 1025E unit see Figure 3 2 then plug the adapter pack into your AC power source Check to see that the power on indicator lights up If you are not using the power adapter supplied with the kit please note the power supply requirements shown in Figure 3 2 For complete power information refer to the EDAS Specifications sheet in Appendix B at the rear of this manual Note The EDAS 1025E unit has no power switch the power on indicator LED on the rear panel will light when the unit is powered Now install the SYSCHECK software on your computer Please refer to the SYSCHECK software installation instructions in Chapter 4 before proceeding with the configuration instructions in Section 3 1 2 IMPORTANT NOTE Be sure to install the latest version of SYSCHECK that is supplied with your current EDAS purchase to be certain the setup procedure will be successful If you already have SYSCHECK installed from an earlier EDAS purchase install the new SYSCHECK in a different directory location than the existing one 13 Chapter Three Configuration and Installation Back Panel
43. ge This causes EDAS SYSCHECK to send some commands to the EDAS unit to determine its current settings for IP Address Subnet Mask Gateway Address Ethernet Address and to determine the unit ID When this process completes successfully EDAS SYSCHECK displays a graphical representation of the EDAS unit to which it is connected It also displays the current settings of the IP Address Subnet Mask Gateway Address and Ethernet Address programmed into the unit If the serial connection is not successful check that you have selected the correct COM port on your PC that power is on and that the cable is secure At this point your property page may look something like that shown below EDAS SYSCHECK Figure 3 5 EDAS SYSCHECK Program Page After Serial Connection Now you may program the EDAS with the configuration settings previously entered into EDAS SYSCHECK To program each of the settings click the Write button associated with the parameter For example to program the EDAS unit with the IP Address you entered on the Configuration property page click Write IP Address Similar actions are available for writing the Subnet Mask and Gateway Address After each item is written the EDAS is again asked to return its current settings and you can verify that the current information matches the desired configuration 18 Chapter Three Configuration and Installation NOTE After completing the configuration process remember to remov
44. he Network Figure 3 9 on the following page shows the possibilities for remote access to EDAS 1025E units over the public Internet or a WAN using TCP IP packet switching technology The PCs labeled Remote could be accessing the wider network via a dial up connection to an Internet Service Provider or other appropriate point or over a LAN that has a gateway connection to the WAN or Internet Note The TCP IP protocol set up for dial up connections is different than that described previously for LAN set ups Set up for serial link dial up protocols is not discussed in this manual 24 Chapter Three Configuration and Installation Remote PC talking to EDAS X Software Visual Designer w EDAS Support TCP IP Stack and software to connect with and logon to Visual Designer w EDAS Support Service Provider 7 3J1Sr77 J J TCP IP Stack and software to Connection to a private node connect with and logon to or ISP C via Service Provider Remote PC talking to EDAS Y Software Dial up or LAN Connection to a private node ey GF ISP Internet Service Provider or ISP B via Dial up or LAN A The Internet Data Packets or a Private WAN To communicate over the Internet devices on the company Company Internetwork network must have globally unique IP addresses Figure 3 9 Example Remote Access Configuration 25 Chapter Three Configuratio
45. his method the last section of Appendix C lists parameters and commands 3 1 1 Preparing the EDAS 1025E Unit for Configuration To configure the EDAS 1025E unit it must be powered up and connected for serial communications with a computer which will send configuration information to the EDAS 1025E unit The EDAS 1025E unit should not be connected to the network during configuration Before proceeding with any of the steps listed below make sure power is removed from the EDAS 1025E unit and the computer you will be using to configure the unit Caution Failing to turn off the power when connecting or disconnecting cables may damage the EDAS 1025E unit as well as the computer EDAS 1025E 1 Front Panel EDAS 1025E 1 Ethernet Serial Interface RS 232 Serial Ports EDAS 1025E 2 Front Panel A EDAS 1025E 2 Ethernet Serial Interface Back Panel 10Base T Port Status Link TX RX Power Power 24 LED LED LED LED Power Input Plug w screw terminals Figure 3 1 EDAS 1025E Front and Rear Views 12 Chapter Three Configuration and Installation Getting the Unit Ready Be sure to use proper static sensitive device handling procedures use of grounded wrist strap avoid touching internal components etc when opening the unit e Connecting the Serial Port With the power off to the EDAS 1025E unit and your computer connect the 9 pin female end of a null modem s
46. l connector pinout and signal descriptions Appendix B provides electrical and mechanical specifications Appendix provides TCP IP reference information including system addressing configuration for LAN use and configuration of an EDAS unit using a serial communications program Appendix shows how to mount a unit on a DIN Rail using the EDAS 1029A 1 DIN Rail Mounting Kit 1 2 Introduction to the EDAS Ethernet Serial Interface The Factory View EDAS 1025E Ethernet Serial Interface is a member of our EDAS family of low cost data acquisition and interface products that communicate with PC s and other computers over Ethernet and Internet networks These units use Ethernet to interface data from any number of remote locations Data can then be made available for use by other networked resources or for further processing by plant wide software and or databases including your Intranet or Internet information pages The EDAS Ethernet Serial Interface provides the following features and benefits Chapter One Introduction Features and Benefits e Provides remote access to RS 232 devices via Ethernet 2 or 4 RS 232 serial port models Direct 10 BaseT Ethernet Interface Built In TCP IP communication protocol allows access over the Internet or Intranets Programmable alarm functions can operate in synchronous polled or asynchronous immediate notification to remote hosts modes e Compact efficient design which can operate on a wid
47. lete signal conditioning via our PCI 1100 Series isolated digital signal conditioning modules and PCI 5B isolated analog signal conditioning modules This product line also offers rugged backplanes providing screw terminal connections to real world signals Models are available for thermocouples RTD s and strain gauges as well as for standard ranges of voltage and current assuring optimal signal conditioning for your Ethernet and PC based data acquisition and control system Chapter One Introduction Chapter 1 Introduction 1 1 About this Manual Congratulations on your purchase of the FactoryView Ethernet Data Acquisition System EDAS Ethernet Serial Interface EDAS 1025E a member of a line of high technology products designed and developed by Intelligent Instrumentation Inc This manual is written with the intent of getting your EDAS Ethernet Serial Interface up and running in the shortest time possible A list of the Chapters and Appendices comprising this manual is provided below Chapter 1 provides a general overview of the EDAS Ethernet Serial Interface including application features system requirements and general configuration descriptions Chapter 2 provides a description of the system components Chapter 3 provides system installation and configuration information Chapter 4 provides system check out information including trouble shooting tips and software installation information Appendix A provides externa
48. local network and will route the data to the next network Depending on the number of interconnected networks the data may be routed through several or many gateways until the destination host is reached An IP address is actually divided into two sections One section defines a Network ID and another section defines a Host ID The purpose of a subnet mask is to define or separate the Network and Host ID portions of an IP address As you might guess the Network ID distinguishes a group of computers and other devices on the same network The Host ID identifies a computer or other device within that network Before showing an example subnet mask it will help to understand the various network classes that have been defined for public Internet use There are three IP network classes for accommodating internetworks of different sizes The network class A B or C is identified by the first byte of its IP address The table below shows the Network ID and Host ID fields defined for each network class The letters W X Y Z are used to represent the 4 bytes of the IP address 43 Appendix TCP IP Reference Information 44 Network W Network Host Possible Possible Class Range ID Part ID Part of nets of hosts net A 1 126 W 2 126 16 777 214 128 191 W X Y Z 16 384 65 534 192 223 W X Y 2 2 097 151 254 Notes Address 127 in position W is reserved for testing and other purposes Addresses 0 or 255 in any position and addres
49. n and Installation This page intentionally left blank 26 Chapter Four Checking the System Chapter 4 Checking the System This chapter describes how to install the EDAS SYSCHECK software and how to use its diagnostic functions to verify that your EDAS 1025E unit is functioning Trouble shooting tips are also given in this chapter 4 1 Installing and Running EDAS SYSCHECK EDAS SYSCHECK 3 0 provides an easy to use graphical interface for exercising and displaying the I O capabilities of your EDAS unit It is also used for configuring the EDAS unit s network address parameters as described in Chapter 3 EDAS SYSCHECK 3 0 runs only on Windows 95 98 and Windows NT Approximately 1 Mbyte of free disk space is required for installation To install EDAS SYSCHECK insert the CD in an available CD drive on your system and run the SETUP EXE program From Windows 95 98 or NT press the Start button select Run then type in D S YSCHECK SETUP EXE lt ENTER gt If your CD drive is D drive Follow the instructions on the screen to install the software or press lt ESC gt or Cancel if you want to stop installation When installation is complete a new Program Folder with three items will be created gt Visual Designer Evaluation gt fs CHECK 3 0 d gt EDAS SYSCHECK 3 0 Readme File gt Uninstall EDAS SYSCHECK 3 0 Figure 4 1 EDAS SYSCHECK Program Folder 27 Cha
50. n in this 46 C 2 1 Windows 95 TCP IP 47 Sce e 47 Figure C 1 Network Configuration Dialog Windows 95 47 Figure C 2 Network Component Type Selection dialog 48 Figure Select Network Protocol 48 Figure C 4 TCP IP Properties Dialog seseeeenm 49 Configuring an EDAS Unit Using a Communications 50 Appendix D EDAS 1029A 1 DIN Rail Mounting Kit 1 53 Figure 0 1 EDAS 1029A 1 DIN Rail Mount sese 53 u c M P R 55 Preface Preface Intelligent Instrumentation Products Intelligent Instrumentation s Factory View is a family of products interfacing the machines processes and operations of an enterprise to data management systems Intelligent Instrumentation manufactures data acquisition test measurement and control solutions for desktop and portable PCs including distributed I O systems for Ethernet and Internet networks We also manufacture industrial LAN ready data collection computers automated time and attendance solutions and microterminals for operator interface control panel applications Factory View produ
51. nternal command mode will be entered Any subsequent characters sent to the unit by the serial device on COMI may alter the EDAS 1025 unit s configuration possibly causing it to become inoperable Chapter Three Configuration and Installation General Considerations The RS 232 standard allows for full duplex simultaneous transmission and reception of data A minimum of three wires are required to make a connection one for data transmission one for reception and a common ground line from which signals are referenced Depending on the device additional hand shaking signal lines may be needed to complete the hook up In many cases these signal lines are simply jumpered or shorted to certain other signal lines at each connector end or through a break out jumper box to achieve the required configuration Always check the device s documentation for information on the required cable configuration RS 232 is generally limited to point to point communications between two devices Some devices support daisy chained serial connections allowing multiple RS 232 devices to be connected in series to a single controlling or master port on the computer or EDAS 1025E unit NOTE RS 485 is specifically designed for supporting a network of multidrop connections Interface adapters are available for converting RS 232 ports to RS 485 if needed such as Intelligent Instrumentation s TMCBX 1 232 485 converter Cable leng
52. o attach an EDAS 1025E unit to a DIN rail using the kit is shown below 552850 Mounting Plate Screws for fastening the plate to the EDAS To remove from rail P Snap on rail mounts insert flat head screw driver in side slot and pry snap mount leg away from rail EDAS 1029A 1 Mounting an EDAS on a DIN Rail DIN Rail Mounting Kit Figure D 1 EDAS 1029A 1 DIN Rail Mount 53 Appendix DIN Rail Mounting This page intentionally left blank 54 Index 10Base T connector 37 A Accessories 6 Alarm functions 3 B Block diagram 7 Board only dimensions 40 C Configuration 11 Configuration using SYSCHECK 15 Configuring an EDAS with a communications program 50 Configuring TCP IP on a PC 45 Connectors 37 D Default address settings 16 Diagnostic LEDs 8 9 34 Dial up connection 24 DIN Rail Mounting Kit 3 22 53 DSUB connector 37 E EEPROM 11 Enclosure 9 Ethernet interface 8 F Factory default address 11 Failure 9 Features Flow control 3 Flow control options 21 Front and rear views 12 Index G Gateway address 43 General considerations 21 General Ethernet information 22 General RS 232 information 20 Gettin the unit ready 13 H Host ID 43 I Installing a DIN rail mount 53 Installing EDAS SYSCHECK 27 Installing SYSCHECK 27 Installing the unit on a network
53. of this warranty lifetime is defined to mean FROM THE DATE OF PURCHASE UNTIL FIVE YEARS AFTER THE DATE THAT INTELLIGENT INSTRUMENTATION DISCONTINUES MANUFACTURING SAID PRODUCT AND LISTS THE PRODUCT IN ITS PUBLISHED LIST OF DISCONTINUED PRODUCTS Electro mechanical items such as but not limited to batteries relays and switches which are purchased separately or included as part of the above products are warranted for a period of one year d In the event that Buyer s returned product is a Discontinued product and is unrepairable for any reason Seller may elect to replace it with like or similar product that is in Seller s sole judgment the closest equivalent to the returned product Seller does not warrant that such replacement product will be an exact functional replacement of the returned product Further all products warranted hereunder for which Seller has received timely notice of nonconformance must be returned FOB Seller s plant no later than thirty 30 days after the expiration of the warranty periods set forth above These warranties provided herein shall not apply to any products which Seller determines have been subjected by Buyer or others to operating and or environmental conditions in excess of the limits established in Seller s published specifications or otherwise have been the subject of mishandling misuse neglect improper testing repair alteration or damage THESE WARRANTIES EXTEND TO BUYER ONLY AND NOT TO BUYER S CU
54. ompany software EDAS 1025E systems act as application servers providing remote RS 232 serial I O to clients on the network EDAS units are programmed over Ethernet via your PC or other computer using the Net Link software driver libraries and your programming language or through the following Windows 95 and NI based application generator software support libraries Chapter One Introduction EDAS Visual Designer Support Library for Intelligent Instrumentation Visual Designer 4 0 or LabVIEW EDAS Virtual Instrument Support Library for National Instruments LabVIEW 4 0 or higher Through software support functions you can send or receive data to or from a unit s serial ports send special control characters check the status of a serial transmissions and program an alarm condition The alarm functions can be used to detect receipt of special characters carriage return line feed etc any character or a timeout condition In response to the alarm condition a user defined message or the serial input data can be sent to a remote host on the network or to another serial port on the EDAS unit The detection of the alarm and transfer of data can be programmed to operate in synchronous or asynchronous modes In synchronous mode the status of the alarm must be polled by the client application to determine if the alarm has occurred In asynchronous modes the EDAS unit automatically sends specified data to the client and or external
55. oration Microsoft Windows 95 and Windows NT are registered trademarks of Microsoft in the U S and other countries Use of Equipment Intelligent Instrumentation Inc assumes no responsibility for any direct indirect or consequential loss or damages resulting from misuse of the equipment or for improper or inadequate maintenance of the equipment or for any such damage or loss resulting from the use of other equipment attachments accessories and repairs at any time made to or placed upon the equipment or any replacement thereof Furthermore Intelligent Instrumentation Inc makes no representations or warranties either expressed or implied in connection with the use of the equipment in the event it is improperly used repaired or maintained WARNING Lethal voltages exist inside electronic equipment Always ensure that power is removed before working on equipment Only qualified technicians should install modify or adjust electronic equipment CAUTION Failing to turn off the power when connecting or removing cables may cause damage to the system FCC Radio Frequency Interference Statement This equipment generates and uses radio frequency energy and may cause interference to radio or television reception Per FCC rules Part 15 Subpart J operation of this equipment is subject to the conditions that no harmful interference is caused and that interference must be accepted that may be caused by oth
56. ou must specify the address parameters that will be used for the EDAS unit to EDAS SYSCHECK Second through EDAS SYSCHECK s programming function you program the EDAS unit with those parameters via the COM port on your PC Third after successful configuration of the EDAS unit s address settings you must cycle power turn off on to the unit for the changes to take effect After installing EDAS SYSCHECK launch the program by clicking on the EDAS SYSCHECK 3 0 icon in the EDAS SYSCHECK folder The first of three property pages is displayed when EDAS SYSCHECK starts The page titled Configuration as shown below allows the IP Address Subnet Mask Gateway Address and Ethernet Address to be entered 15 Chapter Three Configuration and Installation SYSCHECK x Ele Help Program Test IP Address 123 123 123 123 Subnet Mask 255 255 255 0 Gateway Address 123 123 1231 Ethemet Address 019282000 Enter the IP address subnet mask and other information for the EDAS Figure 3 3 EDAS SYSCHECK Configuration Page 16 IMPORTANT NOTE DO NOT change the EDAS unit s Ethernet Address unless so instructed by Intelligent Instrumentation The Ethernet Address is programmed at the factory and must be unique throughout the world Accidental programming of a duplicate Ethernet Address could render your network inoperative Simply leave the Ethernet Address input field unchanged The default a
57. pter Four Checking the System When EDAS SYSCHECK is launched the first of three property pages the Configuration page is displayed This page shown below allows the IP Address Subnet Mask and Gateway Address to be defined for later programming into the EDAS unit Do not after the Ethernet Address field The second property page the Program page allows the various configuration parameters you entered on the Configuration page to be transferred to the EDAS through the unit s serial port 5 SYSCHECK Ea Ele Help Program IP Address 123 123 123 123 Subnet Mask 255 255 255 0 Gateway Address 123 123 1231 Ethemet Address 0193282000 Enter the IP address subnet mask and other information for the EDAS Figure 4 2 EDAS SYSCHECK 28 Information on configuring and programming network parameters for an EDAS unit using EDAS SYSCHECK is presented in Section 3 1 3 in Chapter 3 of this manual The remainder of this chapter section focuses on the third category in SYSCHECK the I O Test section When the EDAS SYSCHECK Test tab is selected a page containing buttons used to execute a variety of system test programs over the network will appear Figure 4 3 BEFORE any of these system tests can be executed the TCP IP protocol stack for your computer must be installed TCP IP protocol software is discussed in Appendix C of this manual Chapter Four Checking the System
58. rk e You are connecting your PC s to your company network for the first time If you do not have a TCP IP protocol stack installed on your computer s or if one of the above cases applies to you please read on Information in this Section This section discusses how to install and configure the TCP IP network protocols supplied with Windows 95 for use on a LAN Instructions for Windows NT Which also contains TCP IP software are not presented here please refer to your NT documentation If you desire to configure a dial up access implementation for remote Internet access to EDAS units on your LAN please refer to your Windows 95 or Windows NT documentation or help information If you are setting up a network for the first time or if you do not have much experience with networking seeking qualified help will save you a great deal of time DISCLAIMER Intelligent Instrumentation is providing information on software products from other vendors only as a convenience to you This does not comprise an endorsement by Intelligent Instrumentation regarding the quality safety or suitability of any non Intelligent Instrumentation software product mentioned in this document 46 Appendix TCP IP Reference Information C 2 1 Windows 95 TCP IP Set Up This section describes how to install the TCP IP protocol stack provided with Windows 95 and how to set the IP Subnet and Gateway parameters for your computer Inst
59. s 224 and above in the Network ID are reserved for special protocols Any private TCP IP network that is not connected to the public Internet can use any Network ID and Host IDs For networks that connect to the public Internet Internet Service Providers obtain official Network IDs through the InterNIC Internet Network Information Center A host uses the Network ID and Host ID to determine which data packets it should receive or ignore All hosts connected to the same network must have the same Network ID and subnet mask Subnet masks are generally represented using the same dotted decimal notation described earlier however the bit values themselves define the mask Each bit assigned a 1 value in the subnet mask defines the corresponding bit of the IP address as a Network ID bit Bits assigned a 0 value identify the Host ID portion of the IP address Default masks used for Class A B and C networks are as follows Net Class Dotted Decimal Binary Class A 255 0 0 0 11111111 00000000 00000000 00000000 Class B 255 255 0 0 11111111 11111111 00000000 00000000 Class C 255 255 255 0 11111111 11111111 11111111 00000000 A Class C example IP Address 192 123 123 12 Subnet mask 255 255 255 0 The resulting Network and Host IDs are Network ID 192 123 123 Host ID 12 For each network class the subnet mask must at least use the 1 bits assigned in the default masks listed above However any network class can be subdivi
60. s or level of outputs during power up may be of critical importance During this brief period while power supply voltages are making the transition from zero to their steady state values the integrated circuits and other devices powered by the supply voltages are subject to possible transients or indeterminate status In critical applications of this type the user is advised to take special precautions such as external protective circuitry to assure safe conditions during power up 19 Chapter Three Configuration and Installation 20 3 1 3 RS 232 The serial I O capabilities of EDAS 1025E units expand the range of data acquisition and control possibilities to include serial devices used in many industrial applications Typically these devices use a simple ASCII command protocol and are hardware compatible with standard serial port interfaces such as the RS 232 ports provided on the EDAS 1025E units Through applications software developed using the EDAS 1025E unit s software support packages Net Link or Visual Designer the serial ports on the EDAS 1025E unit can be viewed as ports local to the client computer s This functionality provides a relatively effortless way to add industrial serial device network elements to an Ethernet The RS 232 port s signals on an EDAS 1025E unit are buffered through a standard RS 232 line driver and made accessible through a DSUB 9 pin male connector on the rear of the unit Standar
61. serial device when the alarm condition occurs The serial ports on EDAS 1025E units support software flow control XON XOFF two hardware flow control modes DTR DSR RTS CTS and two modem support lines RI Ring Indicator and DCD Data Carrier Detect Software support provided through the above mentioned packages allow configuration of flow control methods and detection of flow control signal states Packaged EDAS Ethernet Serial Interface Units Each serial port on EDAS 1025E 1 or EDAS 1025E 2 systems interface with any device which communicates via RS 232 including PLC s controllers instruments scales gauges smart sensors machines terminals and scanners The EDAS 1025E enables any of these devices to communicate with computers located anywhere on an Ethernet network As mentioned previously a wide range of supply voltages may be used to power the units Also by using the EDAS 1029A 1 DIN Rail Mounting Kit units can mounted on standard DIN Rails ports support the following RS 232 lines GRND RX TX RTS CTS DSR DTR DCD RI OEM Models OEM models EDAS 1025E 1G and EDAS 1025E 2G are available to those who wish to incorporate this innovative design into a larger system These board only models are powered from 5 VDC and allow the circuit board to be mounted directly into your equipment ports support the following RS 232 lines GRND RX TX RTS CTS DSR DTR DCD RI Chapter One Introduction 1 3
62. sses because you are connecting to the Internet contact your Internet Service Provider Each EDAS unit and PC on a private network MUST be assigned proper address parameters C 2 Configuring Your PC s to use TCP IP A Transmission Control Protocol Internet Protocol TCP IP stack must be installed and configured for LAN operation on any PC that wishes to communicate with an EDAS unit over a LAN Remote dial up access over the Internet is also possible if the LAN on which the EDAS resides has a gateway to the Internet In this case the TCP IP stack and dialer provided or recommended by your Internet Service Provider should suffice Security may be an issue for access via dial up connections or the Internet check your company s policy If you have already configured your EDAS unit with network address parameters you probably already know whether or not you have TCP IP installed on the PC s you will use to communicate with your EDAS unit s If you are at all unsure check with your network administrator before proceeding any further Before You Start If you know TCP IP is already installed you will only need to configure new TCP IP settings on your PC s in the following cases e You are physically relocating the computer s to another established network 45 Appendix TCP IP Reference Information e You are not going to connect the EDAS unit s or your PC s to your company network e g you are creating a new netwo
63. tes of RAM are highly recommended Software Libraries and Drivers Net Link Software Libraries version 2 2 for DOS UNIX and Net Link Software Libraries for Windows are supplied with the Factory View EDAS on the CD These function libraries and drivers allow custom application development using and Visual Basic 32 bit common Application Programming Interface API is used for each operating environment Third Party Software Support LabVIEW EDAS Virtual Instrument Support Library for National Instruments LabVIEW 4 0 or higher for Windows 95 98 NT Version 1 2 of this support library is supplied on the FactoryView EDAS CD The library provides a set of VI Virtual Instrument function blocks which correspond to driver functions in the Net Link Software Libraries Diagnostic Software Chapter One Introduction SYSCHECK Provided on the CD SYSCHECK software for Windows is an easy to use system assurance and diagnostic utility package You can use SYSCHECK to configure an EDAS unit s network address parameters and quickly verify if the hardware is functioning properly SYSCHECK also performs basic data acquisition tasks SYSCHECK for EDAS is also available for download free from our web site www instrument com e power source for your EDAS Ethernet Serial Interface unit Each unit comes with an AC power adapter The unit can also be powered from a source in the range of 15 28 VAC or 20 40 VDC The
64. th according to the RS 232 standard should be limited to 50 feet or less Longer cable lengths are typically used however If longer cables are to be used length limitations must be determined in the actual system Increasing line capacitance resulting in signal loss and distortion is usually the limiting cable length factor Specific Considerations The commands you issue to a device and how you exchange data with it varies from manufacturer to manufacturer With the exception of many modems there is not a commonly used serial device command set or protocol Typically a device responds to a predefined set of ASCII command strings and sends result data back in a particular format Special characters may also be used to specify the beginning and ending of a command or data sequence The EDAS 1025E unit s software support packages the Net Link Software Libraries drivers the EDAS Visual Designer Support Library and the EDAS LabVIEW library allow you to send and receive any ASCII or binary data Normally all devices start up in receive or listen mode Thus there is little chance that a device will inadvertently activate the EDAS 1025E unit s executive program on start up see IMPORTANT NOTE above Never the less it is good practice to configure this port early in your application and monitor for power down situations The maximum rate at which serial data can be successfully sent and received is constrained by several factors Thes
65. tion of the unit s internal functions are transparent to the application developer and user No knowledge of how the device s internal processor works is required to use the unit For those interested the following is an overview of the roles the processor and its associated components play The processor subsystem consists of an 80C188EC microprocessor 128K bytes of Static Random Access Memory SRAM and 256K bytes of Read Only Memory ROM The 80C188EC integrates an enhanced 8086 processor core an interrupt controller and timer counters A supervisory circuit is provided to generate a reset signal to the unit on power Chapter Two System Description up The on board ROM contains a real time operating system a TCP IP stack and an executive program A unique ID is provided for each version of the EDAS 1025E product family An EDAS unit s processor facilitates control over serial I O under the direction of the ROM based operating and executive system Through driver and application software network client computers send commands and receive data from an EDAS unit remotely controlling serial I O processes On board RAM is used by the system for operating parameter and data storage and for network communications protocol handling TCP IP This RAM is not used for storing user written application software or for any other direct user purpose All developer and user software functions development serial I O control
66. uration IP Address An IP address can be automatically assigned to this computer If your network does not automatically assign IP addresses ask your network administrator for an address and then type it in the space below Obtain an address automatically IP Address 192 168 119 3 SubnetMask 255 255 255 0 Figure C 4 TCP IP Properties Dialog e If your network does not automatically assign network addresses through Dynamic Host Configuration Protocol DHCP or if you are setting up a small private network you must manually enter the IP Address and Subnet Mask Click on the Gateway tab to enter a gateway address Enter the gateway address obtained from your network administrator If you are setting up a small private network without a gateway enter a gateway address with a valid Network ID portion but a non existent Host ID refer to Addresses Gateway Addresses and Subnet Masks in Section C 1 Note Depending on your company s network configuration and services other entries in this dialog may be needed as well such as DNS and WINS configuration Check with your network expert s for these details 49 Appendix TCP IP Reference Information e Press OK when all entries are complete Restart your computer to make the changes effective C 3 Configuring an EDAS Unit Using a Communications Program We highly recommend that you only use SYSCHECK to configure and test your EDAS units

Ethernet Data Acquisition Systems Ethernet/Serial Interface EDAS

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