TDK-Lambda Genesys Series User Manual
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TDK-Lambda Genesys Series User Manual

Optional interface: lxi compliant lan
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Summary of Contents for TDK-Lambda Genesys Series

  • Page 1 Optional Interface: Compliant LAN...
  • Page 2 USER MANUAL FOR LAN Interface GENESYS™ POWER SUPPLIES Applies To: This document applies to LAN cards with a firmware revision that ends in: LAN:2.1 Onwards This version adds TCP and UDP sockets. NOTE: Sections 6.5, 6.5.1, 6.5.2, 6.5.3, 6.5.4 and 6.5.5 are not compatible with web browsers using Java Plug-In version 7 update 51 and above.

  • Page 4: Table Of Contents

    Table of Contents 1. GENERAL INFORMA TION..........................6 1.1. Introduction ................................... 6 1.2. Feature Summary ................................7 2. SPECIFICATIONS ..............................8 2.1. Power Supply Specifications ............................8 2.2. LAN Specifications ................................8 2.3. LAN Command Speed ..............................10 3. SELECT THE CONTROL METHOD ........................11 3.1.
  • Page 5 10. CONNECTING OVER WAN .............................. 36 10.1. View Web Pages Over WAN ................................36 10.2. Use Sockets Over WAN ..................................36 11. SCPI COMMAND REFERENCE ............................37 11.1. Command Syntax ....................................37 11.2. Configuring the Output ..................................38 11.3. Measuring the Output ..................................39 11.4.

  • Page 6: General Information

    1. GENERAL INFORMATION 1.1. Introduction The Local Area Network (LAN) option for the Genesys™ series power supply allows the user to remotely program, measure and check status of the power supply. It uses an Ethernet connection like those used to connect computers to each other and to the Internet A computer’s web page browser may be used to operate the power supply through a built-in web page server.

  • Page 7: Feature Summary

    1.2. Feature Summary • Communicate over any standard TCP/IP network a. LAN (Local Area Network) b. WAN (Wide Area Network) c. Communicate across the world using the Internet • Web page viewable with any web page browser, such as Internet Explorer d.

  • Page 8: Specifications

    Multiple web pages can be open at once Identity Identify power supply model, serial number, revision etc. Configuration View and set LAN configuration Active Control GUI Program and read output settings Send Commands Send SCPI commands, read errors Help Link to TDK-Lambda web sites...
  • Page 9 SUPPLY CONFIGURATIONS Local Control Supply may be run from front panel even if LAN is monitoring LAN Remote Control Supply may be controlled and monitored through LAN RS-232/485 Control LAN may be disabled to use the standard RS-232/485 ports ‘J1’ Analog Control LAN may monitor supply while analog controller sets output Series / Parallel Supplies Rules for standard Genesys supplies apply to LAN supplies...

  • Page 10: Lan Command Speed

    2.3. LAN Command Speed The following communication speeds are typical values only. In addition to the variability in the Genesys™ LAN interface, there are timing variations within the controller and the network routing. The following speed specifications are subject to change without notice. VISA Drivers Speed Commands and queries sent using VISA drivers generally take 10 mSec longer than the same message sent using TCP sockets (in table below)

  • Page 11: Select The Control Method

    3. SELECT THE CONTROL METHOD 3.1. A Variety of Control Methods The Genesys™ power supply with LAN is very flexible. In addition to the LAN, there are other ways the supply can be used. See the Technical Manual for Genesys™ Power Supply for more details on the local (front panel), serial (RS- 232/485), or analog (J1) control.

  • Page 12: Lan Option Rear Panel View

    3.2.3. Select LAN Remote Mode Selecting the LAN mode will allow programming over the Ethernet cable. Any settings and measurements may be done from a remote computer using the power supply’s built-in web pages or using SCPI programming. To select the LAN mode: A.
  • Page 13 3.3.2. Link and Activity LED: this small LED, embedded in the RJ-45 socket, glows green when the connection is made to an active network and it blinks when any message packets are detected 3.3.3. Collision LED: this small LED, embedded in the RJ-45 socket, blinks amber when the LAN packets are corrupted by collisions 3.3.4.

  • Page 14: Connect To Network

    4. CONNECT TO NETWORK 4.1. LAN Cable The LAN cable must be supplied by the customer. It may be a standard straight “patch” CAT-5 (or better) network cable or it may be a “crossover” cable where the pins are reversed on one end. The cable type is auto-detected by the power supply.

  • Page 15: Power-Up The Lan Power Supply

    4.3. Power-up the LAN Power Supply The Genesys™ power supply LAN option will automatically detect if it is connected or disconnected from a network. It will also automatically look for a network server and it will get or create an IP address. It will also broadcast its IP address and hostname to all other devices on the network.

  • Page 16: Hostnames

    4.5. Hostnames The hostname is an address in the form of text instead of numbers (for example: ). This GEN30-25-125 address mode is less common than the IP address because the hostname cannot be viewed from it’s front panel, and because a naming service (such as NetBIOS) must be running in the LAN computer. A custom hostname can be created through the web pages (see section 6.6.2).

  • Page 17: Lan Setup

    5. LAN SETUP 5.1. View the IP and MAC Addresses When the power supply is running with the LAN enabled, the IP and MAC addresses may be viewed on the front panel by following these steps: 1. Press and hold the FOLD button for three seconds. The 7-segment displays will show something such as: IP-1 By turning the voltage encoder knob, the complete IP and MAC addresses may be seen.

  • Page 18: Change The Ip Address

    5.2. Change the IP Address from the The LAN with revision after 2.0 allows you change all four numbers (octets) of the IP address front panel. The IP address has four numbers (ex: “192.168.53.44”). Each number may be set to any value from 1 to 254.

  • Page 19: Lan Reset

    5.3. LAN Reset If it is necessary to reset the supply to the factory default LAN settings, use the front panel to: 1. Press and hold the OVP/UVL button for 2 seconds 2. The 7-segment displays will show: 3. Release the OVP/UVL button 4.

  • Page 20: Web

    6. WEB PAGES 6.1. Benefit of Web Pages The GenesysTM web pages are useful for: • Reading the supply’s model, identity, revision and LAN setup information • Configuring the LAN connection • Programming and reading the supply’s DC output This is all done graphically. There are no commands to look up 6.2.

  • Page 21: The Home Page

    6.3. The HOME Page The following page appears when the web page is first opened or when it is refreshed: Figure 6. Web HOME Page VISA Name Using IP Address: For automation programming, VISA is a type of communication driver. For LAN instruments, the IP address may be used in the VISA resource descriptor.

  • Page 22: Logging In

    Auto-Negotiate: The LAN will automatically adjust it’s speed to the fastest available 6.4. Logging In To change power supply output or the LAN settings, a user must first log in. Click the “Login” button at the top-left side of the web page and a pop-up window appears. The only acceptable user name, , is shown.

  • Page 23: Dc Power Page

    6.5. DC Power Page NOTE: Sections 6.5, 6.5.1, 6.5.2, 6.5.3, 6.5.4 and 6.5.5 are not compatible with web browsers using Java Plug-In version 7 update 51 and above. When the “DC Power” tab is clicked, the following web page opens. This page, and it’s sub-menus, allow you to operate the power supply and adjust it’s output settings.
  • Page 24 Measurements: This section displays the selected power supply’s actual output voltage and current and the operating mode (constant-voltage or constant-current or off). Also, faults are shown in the voltage display. Settings: This section displays the selected power supply’s voltage and current limit settings (as if they were set on the front panel encoders).
  • Page 25 6.5.5. DC Power ➞ Utility Page This page is used to send any SCPI command and see the response. It is a learning tool for SCPI operation and it allows commands which are otherwise not on the web pages. The SCPI commands are described in section 11.

  • Page 26: Lan Page

    6.6. LAN Page When the “LAN” tab is clicked, the following web page opens. This page, and it’s sub-pages, allow you to view and configure the power supply’s LAN settings 6.6.1. LAN ➞ Configure Page When the “LAN” tab is selected, the “Configure” panel opens: The following settings are shown on the “LAN ➞...
  • Page 27 Description: By default, this is “Genesys Power Supply”, but it may be changed in the “LAN ➞ Configure ➞ Modify” web page. Controller Access: The “One Client Only” setting is the default setting for the highest networking security. This setting allows only one TCP socket to be open at a time and it disables the connectionless UDP and Raw sockets.
  • Page 28 requirements of the network server. These settings do not change as the power supply is moved to different LAN connections. In this mode, there is no hostname connectivity so the hostname and DNS server fields are disabled (gray) Controller Access: Select the security feature for One Controller Only or Multiple Clients. The multiple client setting is needed to allow more than one controller connection at a time and to enable UDP socket connections.
  • Page 29 6.6.4. LAN ➞ Advanced ➞ Modify Page In the window below, you may enter new values for the LAN settings. Changes to these setting will take place when the “Apply” button is clicked. The web page does not have to be re-started after changing these settings The window’s fields are described in section 6.6.3 above 6.6.5.

  • Page 30: Help Page

    6.7. HELP Page A Help tab is available. This page is a set of Internet links to TDK-Lambda Americas Inc. website pages. Your network administrator must assign the power supply’s default gateway (see section 6.6.2) and give privileges to view and download from the internet.

  • Page 31: Programming Using Visa Drivers

    7. PROGRAMMING USING VISA DRIVERS 7.1. VISA Description In the test and measurement industry, Virtual Instrument Software Architecture (VISA) is a popular framework that includes hardware drivers, configuration utilities and connection managers. A variety of communication busses are supported. VISA drivers are available from several instrument vendors. Any programming language that supports Windows COM or DLL libraries can call the VISA functions.

  • Page 32: Programming Using Ivi Drivers

    • The IVI Foundation home page has good “Getting Started” tutorials for a variety of programming languages: http://www.ivifoundation.org/ • Pacific Mindworks is a leading developer of IVI technology. It offers several white papers on IVI: http://www.pacificmindworks.com/ • The “LambdaGenPS” IVI drivers and some “Getting Started” tutorials are available from the TDK-Lambda website: http://www.us.tdk-lambda.com/hp/register.htm...

  • Page 33: Programming Using Sockets

    The functions that a programming language uses to manage the socket is called the TCP stack. The basic socket calls for any language are: create, connect, send, read, and close. The exact functions depend on the programming language. Some socket examples can be found at the TDK-Lambda website: http://www.us.tdk-lambda.com/hp/register.htm There are two types of socket protocols which may be used, TCP and UDP.

  • Page 34: Input Buffer Requirements

    The rules for the One Client/Multiple Clients are: One Client Only Multiple Clients Web Page Multiple web pages may be open at any time. Not logged-in You may view but cannot change the power supply operation. Web Page You cannot log in if a VISA or socket port is already open. Logged-in as “admin”...

  • Page 35: Using Tcp Sockets

    9.7. Using TCP Sockets This is the most popular socket type. It features a managed connection, message acknowledgements, transmission error detection and correction. TCP socket port 8003 Open to send SCPI commands. Responses to queries are sent back automatically with a line-feed terminator appended. If the web page LAN controller access is set to “Multiple Clients”...

  • Page 36: Connecting Over Wan

    10. CONNECTING OVER WAN To connect over Wide Area Network (i.e.: the global internet ), the following settings must be made in the network server. 10.1. View Web Pages Over WAN The Genesys™ power supply LAN interface has two servers for running the web pages. One web server is listening in Port 80.

  • Page 37: Scpi Command Reference

    11. SCPI COMMAND REFERENCE 11.1. Command Syntax 11.1.1. General SCPI Rules Terminator: For VISA, no terminator is required. For sockets, a terminator is required. Acceptable terminators are line-feed, carriage-return, or semi-colon. Characters: commands are made of printable letters, numbers, spaces and some punctuations. Letters may be capital or small;...

  • Page 38: Configuring The Output

    11.1.3. Examples of Alternative Forms of SCPI Command For a command is described as: [SOURce]:VOLTage:PROTection:LEVel <nn.nn|MAX > The following are correct forms of the same command: (longest form of command) SOURCE:VOLTAGE:PROTECTION:LEVEL MAX (SOURCE is optional) :VOLTAGE:PROTECTION:LEVEL MAX (Abbreviate VOLTAGE) :VOLT:PROTECTION:LEVEL MAX (Shortest form of command) :VOLT:PROT:LEV MAX (Small letters acceptable)

  • Page 39: Measuring The Output

    11.2.3. Set the Output ON or OFF This command turns the power supply output on or off. The output on command may not work as expected. The latching power supply faults, including AC fault, over-temperature, J1-Enable and J1-Shut Off, will prevent turning the output on until the fault clears. For non-latching faults, including over-voltage and current fold-back, turning the output on will clear the fault.
  • Page 40 11.4.2. Setting Local or Remote Modes This command changes the power supply operation to local, remote or local-lockout. The parameter may be a number or text as described below While the power supply is in local mode, the LAN communication may be used to measure the power supply outputs and statuses.

  • Page 41: Output Protection

    11.5. Output Protection 11.5.1. Set Over-Voltage Protection This command sets the over-voltage protection level. If the power supply output exceeds this voltage at it’s output (or at a remote sense point), then the output will immediately turn off, the supply front panel will show “OUP”...

  • Page 42: Lan Specific Commands

    Errors: SYSTEM:ERROR? may return errors including: +302,”PV below UVL” +306,”UVL above PV” -222,”Data out of range” 11.5.4. Set Foldback Protection This command enables or disables the foldback protection. When the FB protection is enabled, if the power supply goes into constant-current (CC) mode for about a ½ second, then the output will turn off, the front panel will show “Fb”...
  • Page 43 11.6.2. Read the Hostname The hostname (see section 4.5) may be read with this query Syntax: SYSTem:COMMunicate:LAN:HOST? Example: SYST:COMM:LAN:HOST? Response: The hostname string, up to 15 characters long Example: is a typical default hostname GEN7p5-1000-123 11.6.3. Read the IP Address The IP address (see section 4.4) may be read with this query Syntax: SYSTem:COMMunicate:LAN:IP?

  • Page 44: Common Commands

    Example #1: will program the voltage limit to 25 volts DIAG:COMM:PASS PV 25 Response #1: will be returned by the above command, (or an error such as E01 may be returned) Example #2: will measure the output voltage DIAG:COMM:PASS MV? Response #2: is a sample response to the above query 24.983...

  • Page 45: Error And Status Commands

    This is query to launch a simple self-test. It verifies the basic connections between the LAN microcontroller and the control board microcontroller. The self-test result (pass or fail) is read from the message queue. If the self-test failed and it returns 1, contact TDK-Lambda Americas Inc. Customer Service for further instructions.
  • Page 46 queue regularly. When a faulty command is sent and the SYSTEM:ERROR is read, the error message could relate to an earlier command. The SYSTEM:ERROR queue may be cleared by: Sending the command (this also clears other registers) *CLS - Sending the command SYSTEM:ERROR:ENABLE - Reading the errors until the response is...
  • Page 47 USING THE ERROR AND STATUS REGISTERS The SCPI error and status registers report many conditions, statuses and events into short numeric codes. Momentary events may be latched so the remote computer can read about them at a later time. A “fan out”...

  • Page 48: Figure 7. Error And Status Registers

    THE IEEE-488.2 ERROR AND STATUS REGISTERS Figure 7. Error and Status Registers...
  • Page 49 11.8.5. Read the Status Byte Register The Status Byte register is a summary of all events that have been enabled. Figure 7 shows the commands that are used to enable events. The Status Byte is a condition register, that is, reading it will not clear the contents.
  • Page 50 Syntax: *ESR ? Response: , a number from 0 to 255 <nnn> Example: (an illegal command was received) 11.8.8. Set the Standard Event Status Enable Register When one or more bits in the Standard Event Status Event Register (*ESR, see above) are set, a bit can be set in the Status Byte (*STB,see section 11.8.5).
  • Page 51 Syntax: STATus:OPERation:CONDition? Example: STAT:OPER:COND? Response: , a number from 0 to 255 <nnn> Example: (local mode with the output off (because CV and CC both zero) 11.8.12. Set the Operational Condition Enable Register When one or more bits in the Operational Condition Condition Register (see 11.8.11 above) are set, a bit can be set in the Status Byte (*STB,see section 11.8.5).
  • Page 52 These are the bit assignments of the Questionable Condition Condition Register: VALUE SYMBOL DESCRIPTION ISUM In single LAN supply, bit is always 0. In Multi-drop system, is Instrument Summary bit. AC Fail fault Over-temperature fault Fold-back protection fault Over-voltage protection fault Shut-off fault, using the “J1”...
  • Page 53 11.8.17. Enable All the Event Registers This command that will enable some of the events for the operational (section 11.8.12) and all of the events for the questionable (section 11.8.15) registers. Sending this command is the same as sending: STAT:OPER:ENAB 132 STAT:QUES:ENAB 4095 Syntax: STATus:PRESet...

  • Page 54: Rs-485 Multi-Drop Commands

    12. RS-485 MULTI-DROP COMMANDS 12.1. Introduction The Genesys™ power supply LAN option allows you to control up to 29 other supplies which do not have the LAN option installed. All are controlled through one IP address from the supply with the LAN option This is called the Multi-drop configuration.

  • Page 55: Connect And Configure The Rs-485 Supplies

    12.2.2. To Set the RS-485 Address: In addition to the supply’s IP address, the multi-drop requires setting an RS-485 address. It is viewed on the front panel of the power supply by setting it to local mode (see section 3.2.1) and pressing and holding the REM/LOC button.
  • Page 56 After sending , it is recommended that you verify the command by sending INST:SEL INST:SEL? , otherwise the next commands will go to the wrong power supply. SYST:ERR? 12.4.2. Global Commands in a Multi-drop Chain The GLOBAL commands affect all of the chained supplies at the same time, including the LAN supply There are differences between a normal SCPI command (in section 11) and a global command.
  • Page 57 Parameter: is volts, the setting applied to all power supplies <nn.nn> Example: GLOB:VOLT 9.45 12.4.5. Global Set the Current Limit This is the global version of the: command in section 11.2.2 CURR Syntax: GLOBal:CURRent[:LEVel][:IMMediate][:AMPLitude] <nn.nn> Parameter: <nn.nn> is amps, the setting applied to all power supplies Example: GLOB:CURR 350 12.4.6.

  • Page 58: System:error? Messages

    13. SYSTEM:ERROR? MESSAGES These are the system error messages which may be returned from the query. “SYST:ERR?” See section 11.8.1 for a description of this system error queue ERROR ERROR MESSAGE ERROR DESCRIPTION “No error” No error reported -100 “Command error” LAN card receives command with unspecified error -101 “Invalid Character”...
  • Page 59 ERROR ERROR MESSAGE ERROR DESCRIPTION +326 “Output-Off shutdown” Output-Off occurred from front panel button +327 “Enable Open shutdown” Enable Open occurred from rear panel J1 +340 “Internal message fault” General non-specified Internal message fault +341 “Input overflow” LAN card input data buffer is too full. +342 “Internal overflow”...

  • Page 60: Sample Programs

    14. SAMPLE PROGRAMS 14.1. Web Downloads Refer to Lambda website for the latest support software at: http://www.us.TDK-Lambda.com/HP/product_html/drivers.htm Downloads include: • GUI program This is a “Graphical User Interface” program that gives you remote control of the power supply using the LAN network •...

  • Page 61: Troubleshooting

    15. TROUBLESHOOTING 15.1. Cannot See the IP Address, LAN Status LED Stays Red If you press and hold the front panel FOLD button for 3 seconds, the voltage display should show “IP-1“ (see section 5.1). If “IP-1” does not show, then the LAN enable switch has not been set. To fix this: A.

  • Page 62: Cannot View Web Pages Over A Peer-To-Peer Network

    C. Type “ping <IP address>” (IP from the supply front panel, see section 5.1). Verify the ping packets had successful responses If the “ping” does not get responses from the power supply, then there is a mismatch between the power supply and the computer LAN settings.

  • Page 63: Web Page "Refresh List" Does Not Find Slave Supplies

    Verify the “Use JRE…” checkbox IS checked 15.8. Web Page “Refresh List” Does Not Find Slave Supplies When you are using a LAN Multi-drop chain of supplies (see section 12), the web page Refresh List button should detect all the connected RS-485 slave supplies. If it does not: A.

  • Page 64: Web Page "Modify Settings" Does Not Work

    15.10. Web Page “Modify Settings” Does Not Work When using Internet Explorer 8 to view the web pages, the “Modify Settings” pop-up window could show empty boxes for the voltage and current settings. If values are typed into these boxes and “Apply” is clicked, then errors are returned.

  • Page 65: Glossary

    16. GLOSSARY Auto-IP: This is when the power supply configures it’s own settings because they cannot be obtained using a network server (DHCP). With auto-IP, the power supply will select a random address in the range of 169.254.xxx.xxx. Also called Link-Local addressing. Auto-MDIX: An connection that automatically detects either a patch (straight-through) or a cross-over LAN cable.

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