Keithley 2701 Instruction Manual
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Keithley 2701 Instruction Manual

Ethernet-based dmm / data acquisition system instrument networking
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www.tek.com.keithley
Model 2701 Ethernet-Based
DMM / Data Acquisition System
Instrument Networking
Instruction Manual
2701-904-01 Rev. D / February 2016
*P2701-904-01D*
2701-904-01D
A G re a t er Me a s ur e o f Co n f id e n c e

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  • Page 1 Model 2701 Ethernet-Based DMM / Data Acquisition System Instrument Networking Instruction Manual 2701-904-01 Rev. D / February 2016 *P2701-904-01D* 2701-904-01D A G re a t er Me a s ur e o f Co n f id e n c e...
  • Page 2 Model 2701 Instrument Networking Instruction Manual ©2016, Keithley Instruments All rights reserved. Cleveland, Ohio, U.S.A. Document Number: 2701-904-01 Rev. D / February 2016...

  • Page 3: Safety Precautions

    Service personnel are trained to work on live circuits, perform safe installations, and repair products. Only properly trained service personnel may perform installation and service procedures. Keithley Instruments products are designed for use with electrical signals that are rated Measurement Category I and Measurement Category II, as described in the International Electrotechnical Commission (IEC) Standard IEC 60664.
  • Page 4 (note that selected parts should be purchased only through Keithley Instruments to maintain accuracy and functionality of the product). If you are unsure about the applicability of a replacement component, call a Keithley Instruments office for information.

  • Page 5: Table Of Contents

    IS/IT department ................ Direct connection (isolated network) ......... Address restrictions ............. Selecting an address ............Changing Model 2701 TCP/IP addresses ........Front panel ................Check or set TCP/IP address over Ethernet ......Configuring a Network Interface Card (NIC) ......3-10 Configuration in Windows 98/ME ........
  • Page 6 Software and Drivers Keithley Integra Series Software Architecture ......Built-in web diagnostic tool (free) ........Provided software ............... TestPoint runtime start-up software package ...... KE2700 VISA Based IVI Instrument Driver ...... Additional software applications ..........ExceLINX-1A ..............TestPoint Application Development Package .....
  • Page 7 List of Illustrations Introduction Figure 1-1 Model 2701 rear panel ............Network Connection Figure 2-1 PC to Single Model 2701 ............Figure 2-2 Hub to Model 2701 ..............Figure 2-3 Dual NIC to Model 2701 ............Figure 2-4 Corporate network connections ..........

  • Page 8: Introduction

    Introduction...

  • Page 9: General Information

    Windows socket interface. The requirement for network topology is a functioning Ethernet. This can be a direct connection between a PC and a single 2701 through a cross over cable or over a corporate LAN. This manual provides user information for isolated network connections.

  • Page 10: Software

    Model 2701 Instrument Networking Instruction Manual Introduction Software Control software and software drivers for the Model 2701 are available on the Keithley website: www.tek.com/keithley. Contact information Worldwide phone numbers are listed at the front of this manual. If you have any questions, please contact your local Keithley representative or call a Keithley Application Engineer at 1-800-348-3735 (U.S.

  • Page 11: Introduction

    Introduction Model 2701 Instrument Networking Instruction Manual Figure 1-1 Model 2701 rear panel Immediate alarm notification independent of the PC Fast and convenient 10/100BaseTX provided by built-in Ethernet with TCP/IP protocol. open-collector digital I/O lines for control, external triggering, and HI/LO alarm/limit ouputs.
  • Page 12 Model 2701 Instrument Networking Instruction Manual Introduction Status LEDs Two status LEDs are located at the top of the RJ-45 connector (Figure 1-1). Refer to Table 1-1 for a description of LED status descriptions. Table 1-1 LED status descriptions State...

  • Page 13: Network Connection

    Network Connection...

  • Page 14: Overview

    Model 2701 Instrument Networking Instruction Manual Overview Keithley’s Model 2701 is a multipoint measurement and control system that fully integrates instrument quality resolution and sensitivity in an Ethernet-based data acquisition (DAQ) system. The Model 2701 is designed for a 10/100BaseTX network using standard RJ-45 connectors.

  • Page 15: Direct Connection

    2-1) using an Ethernet cross over cable. This setup provides a one-to- one connection between the PC and the Model 2701. When using this connection scheme, the TCP/IP settings for the PCs Ethernet card and the Model 2701 will need to be set manually (see Section...

  • Page 16: Hub Connection

    2-2) or switch that is not part of a larger local area network using Ethernet straight through cables. When using this connection scheme, the TCP/IP set- tings for the PCs Ethernet card and the Model 2701 will need to be set manually (see Section...

  • Page 17: Procedure

    Connect one end of a CAT 5 Cable to ETHERNET port on the Model 2701 rear panel. Connect other end of the CAT 5 Cable to an available RJ-45 connector in hub. (Do not connect to uplink connector, the uplink connector is used when connecting hubs together.)

  • Page 18: Dual Interface Card Connection

    Use this type of scheme when it is desirable to have the same PC used for connection to the Model 2701 while retaining the capabilities of connection with the corporate network (such as for email or intranet applications). This scheme maximizes the performance of the network connections to the instruments by isolating corporate network traffic from the 2701 and the PC (i.e., when the instruments are connected to...

  • Page 19: Figure 2-3 Dual Nic To Model 2701

    Model 2701 Instrument Networking Instruction Manual Network Connection Figure 2-3 Dual NIC to Model 2701 Straight through cable Building Network Connection through hub Increased security using dual NICs in computer Building Network Straight through cable Direct connection Cross over cable Table 2-4 Additional component requirements—dual NIC connection through hub...

  • Page 20: Corporate Network Connection

    NOTE Although this is the most commonly used Ethernet connection scheme to implement it requires IT/IS support. This section contains information on connecting the Model 2701 to one or more devices using an Ethernet hub or switch (Figure 2-4) that is part of larger local area network (LAN).

  • Page 21: Configuring Tcp/Ip Addresses

    Configuring TCP/IP addresses...

  • Page 22: Communication Protocol

    DHCP server. The network parameters acquired from the DHCP can be viewed from the Model 2701 front panel menu or queried over the bux. If no DHCP server is available, the Network (LAN) administrator must assign these values to ensure proper operation of the device and to avoid conflicts with other devices on the network.
  • Page 23 Dashes will be displayed for Address, Subnet, and Gateway until the unit gets them from the DHCP server. To set the Model 2701 to use DHCP over the Ethernet, use the internal web page (refer to “Check or set TCP/IP address over Ethernet” on page...

  • Page 24: Direct Connection (Isolated Network)

    Ethernet interface card and to each Model 2701. Keep in mind that when creating and assign- ing an address, the one assigned to the Model 2701 has to be of the same class as the network. For example, if you want the Model 2701’s IP address to be 192.168.0.2 (the default), the Sub- net mask should be 255.255.255.0.

  • Page 25: Selecting An Address

    Model 2701 Instrument Networking Instruction Manual Configuring TCP/IP addresses Selecting an address Pick a network class. Although most isolated networks are class C type, any class can be selected (see Table 3-2). Use Table 3-3 as a guide to make sure all the required infor- mation is available.

  • Page 26: Figure 3-1 Ip Address Byte Location Sample

    (see Figure 3-1). Select the Subnet mask for the network class (see Table 3-2). Set the Model 2701 address(es) as required. (See “Changing Model 2701 TCP/IP addresses” on page 3-7. NOTE Since the network scheme in Figure 3-1 does not connect to a corporate LAN, the gateway address selected does not matter (it can be set to 0.0.0.0).

  • Page 27: Changing Model 2701 Tcp/Ip Addresses

    255.255.255.000 DHCP If the instrument is not recognized by the network, check the TCP/IP settings and make any changes required. Each Model 2701 ships with a unique MAC address—see the Glossary for a detailed definition. Front panel Check the TCP/IP address Press Shift.

  • Page 28: Check Or Set Tcp/Ip Address Over Ethernet

    Check or set TCP/IP address over Ethernet NOTE This procedure requires that the Model 2701 is properly connected and configured with the PC over and Ethernet connection. Make sure you can check the TCP/IP address over the Ethernet before installing 2701 drivers or software.

  • Page 29: Figure 3-2 Internal Web Page

    Model 2701 Instrument Networking Instruction Manual Configuring TCP/IP addresses Figure 3-2 Internal web page...

  • Page 30: Configuring A Network Interface Card (Nic)

    In each version of the Windows operating systems, this is done differently. After determining the network cards (installed in the PC) address and subnet, change the Model 2701’s IP address and subnet information to be compatible with the PC’s Ethernet card’s information. See “Changing Model 2701 TCP/IP addresses”...

  • Page 31: Configuration In Windows 98/Me

    Model 2701 Instrument Networking Instruction Manual Configuring TCP/IP addresses 3-11 Configuration in Windows 98/ME Refer to Figure 3-4. Click on the Windows Start button. Select Settings, then Control Panel. Open the folder named Network. Look for a TCP/IP entry. If you are configuring a computer with two network cards, there should be two entries, one for each card.

  • Page 32: Configuration In Windows Nt4

    3-12 Configuring TCP/IP addresses Model 2701 Instrument Networking Instruction Manual Configuration in Windows NT4 Refer to Figure 3-5. Click on the Windows Start button. Select Settings, then Control Panel. Open the folder named Network. Select the Protocols Tab. If there is no entry for TCP/IP, click Add, then select TCP/IP and follow on-screen directions.

  • Page 33: Configuration In Windows 2000

    Model 2701 Instrument Networking Instruction Manual Configuring TCP/IP addresses 3-13 Configuration in Windows 2000 Refer to Figure 3-6. Click on the Windows Start button. Select Settings, then Control Panel. Click on Network and select Dial-Up Connections. Right click on Local Area Connection, then select Properties.

  • Page 34: Configuration In Windows Xp

    3-14 Configuring TCP/IP addresses Model 2701 Instrument Networking Instruction Manual Configuration in Windows XP Refer to Figure 3-7. Click on the Windows Start button. Select Network and click Internet Connections. Under “or pick a control panel icon”, select Network Connections.

  • Page 35: Troubleshooting

    Incorrect cable type (cross over cables should not be web page. used to connect to hub, straight through cables should not be used to connect directly to the Model 2701 with- out a hub). IP address conflict. Make sure each node (interface card and 2701) has a unique IP address, but share the same Subnet mask and network ID.
  • Page 36 (network design dependent). Make sure you specifically tell the IS/IT where you are going to connect the 2701 to the network as location may determine the 2701’s correct subnet. If you have an instrument connected to a router or a switch, the MAC address is usually cached with the IP address for a period of time.

  • Page 37: Software And Drivers

    Software and Drivers...

  • Page 38: Keithley Integra Series Software Architecture

    Keithley Integra Series Software Architecture Figure 4-1 illustrates how Keithley's powerful software tools integrate to provide a full range of application solutions. The individual components are described later in this section. Installation and configuration details are provided at the end of this section.

  • Page 39: Built-In Web Diagnostic Tool (Free)

    MAC address (read only), calibration dates, and other data stored in the Model 2701. It also takes readings from the instrument and allows the user to send command strings and receive data. (Refer to the Model 2701 User’s Manual for additional information on...

  • Page 40: Provided Software

    Data from multiple channels of a single 2701’s can be saved to disk; up to eight channels of data can be graphed automatically and multiple configurations can be saved to disk.
  • Page 41 Model 2701 Instrument Networking Instruction Manual Software and Drivers Table 4-1 TestPoint runtime start-up software—supported features Feature Description Supported Instrument 2700, 2701, 2750 Supported DC volts and current Measurement Types AC volts and current Resistance (2-wire and 4-wire) Frequency and period...

  • Page 42: Ke2700 Visa Based Ivi Instrument Driver

    Model 2701 Instrument Networking Instruction Manual KE2700 VISA Based IVI Instrument Driver The KE2700 Instrument Driver is provided free with the 2700, 2701, and 2750 instruments. All of Keithley's Integra Series software uses the KE2700 Instrument driver to communicate with the instrument. For experienced programmers who prefer to build fully custom systems from scratch, the KE2700 driver can be used with Application Development environments such as LabView, LabWindows CVI, Visual Basic, C/C++, and TestPoint.
  • Page 43 Model 2701 Instrument Networking Instruction Manual Software and Drivers Table 4-2 KE2700 VISA Based IVI Instrument Driver—supported features Feature Description Supported Instruments 2700, 2701, 2750 Supported All types and ranges supported by the instrument. Measurement Types Supported Plug-in All modules supported by the instrument.

  • Page 44: Additional Software Applications

    Model 2701 Instrument Networking Instruction Manual Additional software applications Keithley has the software needed to get the most performance from a Model 2700 or 2750 Multimeter/Switch System. Our broad range of software solutions makes it easy to get R&D, quality assurance, and production applications “Up & Running” quickly and economically. The following programs for the Model 2700/2701/2750 are available separately.

  • Page 45: Testpoint Application Development Package

    Model 2701 Instrument Networking Instruction Manual Software and Drivers Table 4-3 ExceLINX—supported features Feature Description Supported 2700, 2701, 2750 Instrument Types Supported All types and ranges supported by the instrument. Measurement Types Supported Plug-in 7700, 7701, 7702, 7703, 7705, 7706, 7707, 7708, 7709, 7710, Switch Modules 7711, 7712.

  • Page 46: Provided Software And Driver Installation

    Ethernet. It is recommended that you use the built-in web page to verify your system set-up and configuration before installing the start-up software and/or instrument driver (if the web page displays and is able to control the Model 2701, the Ethernet is functioning correctly).

  • Page 47: Figure 4-4 Keithley Configuration Wizard Window

    Model 2701 Instrument Networking Instruction Manual Software and Drivers 4-11 Procedure to start Keithley configuration wizard To start the configuration utility and wizard, open the “Keithley Configuration Panel”. From the Start Menu, select: Programs>>Keithley Instruments>>Keithley Configuration Panel Follow the wizard’s prompts.

  • Page 48: Figure 4-5 Select Operation Window

    4-12 Software and Drivers Model 2701 Instrument Networking Instruction Manual Figure 4-5 Select operation window Figure 4-6 Select communication bus type window...

  • Page 49: Figure 4-7 Select Ip Address Window

    Model 2701 Instrument Networking Instruction Manual Software and Drivers 4-13 Figure 4-7 Select IP address window Figure 4-8 Select instrument driver window...

  • Page 50: Figure 4-10 Summary Window

    4-14 Software and Drivers Model 2701 Instrument Networking Instruction Manual Figure 4-9 Assign instrument name window NOTE Change the name to anything that will help you identify your instrument. Figure 4-10 Summary window...
  • Page 51 NOTE Specify the IP address of your instrument as determined earlier in this guide. Leave the IP Port set to 1394 for use with the Model 2701. Once you have completed configuring your instrument, you may exit the configuration utility. If you want to run the wizard again, you may select Help>>Show Wizard to reopen the wizard.

  • Page 52: Figure 4-11 Advanced Configuration Window—Select Instrument

    4-16 Software and Drivers Model 2701 Instrument Networking Instruction Manual Procedure to set QueryInstrStatus attribute to False If not already running, access the configuration utility (See “Procedure to start Keithley configuration wizard” on page 4-11.). Close the wizard and use the configuration panel as shown Figure 4-11.

  • Page 53: Figure 4-12 Attribute Setting

    Model 2701 Instrument Networking Instruction Manual Software and Drivers 4-17 Figure 4-12 Attribute setting Figure 4-13 Advanced configuration window—view changed attribute...

  • Page 54: Cable Diagrams

    Cable diagrams...

  • Page 55: Ethernet Cables

    Cable diagrams Model 2701 Instrument Networking Instruction Manual Ethernet cables For 10BaseT and 100BaseTX Ethernet connections, use standard category five (CAT 5) twisted pair patch cables with RJ-45 connectors, not to exceed the standard maximum segment length of 100 meters. The equipment that the device is being attached to will determine whether a straight-thru or cross over cable configuration is required.

  • Page 56: Cross Over Cables

    Model 2701 Instrument Networking Instruction Manual Cable diagrams Cross over cables Standard Ethernet cross over cables are required when connecting the device directly to the Ethernet port of a PC. NOTE Cross over cables are typically labeled (cross over or XO) at one or both ends.
  • Page 57 It can also act as a translator between two different network protocols. Host — Defined as anything on the network that can transmit and receive IP packets on a network. This would include workstations, servers, and the Model 2701.
  • Page 58 MAC Address — Media access control is the hosts unique identity. It is a 6 Byte hexadecimal number that can be represented in HEX or decimal. The Model 2701 uses a decimal number, much like an IP address structure to represent the MAC address. The MAC address is usually assigned to the HOST at the factory.
  • Page 59 Model 2701 Instrument Networking Instruction Manual Glossary TCP/IP — Transmission Control Protocol/Internet Protocol. A set of network protocols and associated tools that originated in the UNIX and internet environments. It has become the stan- dard protocol used when configuring networks.
  • Page 60 General information Glossary Address restrictions Hub connection Built-in web diagnostic tool Instrument Driver Interchangeable Virtual Instruments Internal Web Page Changing Model 2701 TCP/IP addresses IP address byte location sample classes ipconfig 3-10 Communication Protocol IS department Configuration in Windows 2000...
  • Page 61 Keithley Instruments Corporate Headquarters • 28775 Aurora Road • Cleveland, Ohio 44139 • 440-248-0400 • Fax: 440-248-6168 • 1-800-935-5595 • www.tek.com/keithley A G r e a t e r M e a su r e o f C o n f i d e n c e...

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