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Lambda GENESYS 10KW Technical Manual

Programmable dc power supplies
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TECHNICAL MANUAL FOR
GENESYS
Programmable DC Power Supplies
Document: 83-530-000 Rev B
LAMBDA AMERICAS
405 Essex Road, Neptune, NJ 07753
Tel:
Fax:
Web: www.lambda-hp.com
10KW/15KW
TM
(732) 922-9300
(732) 922-9334

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  • Page 1 TECHNICAL MANUAL FOR GENESYS 10KW/15KW Programmable DC Power Supplies Document: 83-530-000 Rev B LAMBDA AMERICAS 405 Essex Road, Neptune, NJ 07753 Tel: (732) 922-9300 Fax: (732) 922-9334 Web: www.lambda-hp.com...

  • Page 2: Warranty

    QA seal has been removed or altered by anyone other than Lambda Americas authorized personnel. Lambda Americas does not warrant the buyer’s circuitry or malfunctions of Lambda Americas products resulting from the buyer’s circuitry.

  • Page 3: Safety Instructions

    PARTS SUBSTITUTIONS & MODIFICATIONS Parts substitutions and modifications are allowed by authorized Lambda Americas service personnel only. For repairs or modifications, the instrument must be returned to an authorized Lambda Americas service facility. Page: 83-530-000 Rev B...
  • Page 4 SAFETY INSTRUCTIONS ENVIRONMENTAL CONDITIONS The Genesys power supply series safety approval applies to the following operating conditions: *Indoor use *Ambient temperature: 0°C to 50°C *Maximum relative humidity: 80% (no condensation) *Altitude: up to 3000m *Pollution degree 2 ATTENTION Observe Precautions for handling Electrostatic Sensitive Devices. CAUTION Risk of Electrical Shock Instruction manual symbol.

  • Page 5: Table Of Contents

    WARRANTY ......................1 CHAPTER 1 GENERAL INFORMATION ............. 6 1.1 USER MANUAL CONTENT .................6 1.2 INTRODUCTION ....................6 1.3 ACCESSORIES....................8 1.4 MODEL NUMBER FORMAT.................9 CHAPTER 2 SPECIFICATIONS ............... 10 CHAPTER 3 INSTALLATION................14 3.1 GENERAL ......................14 3.2 PREPARATION FOR USE..................14 3.3 INITIAL INSPECTIONS..................14 3.4 RACK MOUNTING .....................14 3.5 LOCATON, MOUNTING AND COOLING ............15 3.6 AC SOURCE REQUIREMENTS .................15...
  • Page 6 CHAPTER 7 RS232 & RS485 REMOTE CONTROL ........46 7.1 INTRODUCTION ....................46 7.2 CONFIGURATION .....................46 7.3 REAR PANEL RS232/485 CONNECTOR ............47 7.4 CONNECTING POWER SUPPLIES TO RS232 BUS ........48 7.5 COMMUNICATION INTERFACE PROTOCOL ..........49 7.6 ERROR MESSAGES ..................50 7.7 COMMAND SET DESCRIPTION...............50 7.8 GLOBAL OUTPUT COMMANDS...............53 7.9 SINGLE BYTE COMMANDS ................53 7.10 STATUS, ERROR AND SRQ REGISTERS............58...

  • Page 7: Chapter 1 General Information

    CHAPTER 1 GENERAL INFORMATION 1.1 USER MANUAL CONTENT This User’s Manual contains the operating instructions, installation instructions and specifications of the Genesys 15KW and 10KW power supply series. The instructions refer to the standard power sup- plies, including the built-in RS232/485 serial communication. For information related to operation with the optional IEEE programming, refer to User’s Manual for Power Supply IEEE/IEMD Programming In- terface.
  • Page 8 1.2.3 Control via the serial communication port The following parameters can be programmed via the serial communication port: 1. Output voltage setting. 2. Output current setting. 3. Output voltage measurement. 4. Output On/Off control. 5. Output current measurement. 6. Foldback protection setting 7.

  • Page 9: Accessories

    1.3 ACCESSORIES 1.3.1 General Accessories are delivered with the power supply or separately upon ordering. The list below shows the possible accessories and ordering numbers. 1.3.2 Serial Link Cable Serial link cable for linking power supplies by RS485 communication can be purchased separately. 1.3.3 Misc.

  • Page 10: Model Number Format

    1.4 MODEL NUMBER FORMAT The model numbering system for Genesys power supply includes symbols for features and op- tions. They are separated by dashes. The following chart explains the model number for the GEN Power Supply Family. Note 1: See Specifications for Input Range. Note 2: CE Mark with IEMD to 400VDC Output, without IEMD to 600VDC Note 3: All 3φ...

  • Page 11: Chapter 2 Specifications

    CHAPTER 2 SPECIFICATIONS All specifications are subject to change without notice. Contact factory for specific model availability. 1. OUTPUT RATING (Duty Cycle Continuous Duty). 1.1 STANDARD MODELS - 10kW 1.Rated output voltage 12.5 2.Rated Output Current 1000 1000 3.Rated output power 10.0 10.0 10.0...
  • Page 12 5. DYNAMIC CHARACTERISTICS 12.5 1. Up-prog. response time, 0~Vomax full-load 2. Down-prog response time full-load 3. Transient response time (cv mode) Time for the output voltage to recover within 2% of its rated output voltage for a load change of 50~100% or 100~50% of rated output set-point:10~100% less than 3.
  • Page 13 8. SOFTWARE SPEC. 1. Functions: 1. Voltage/current setting 2. OVP/UVL setting 3. Actual voltage/current readback 4. Voltage/current setting readback 5. OVP/UVL setting readback 6. Output On/Off 7. Foldback protection setting 8. Status readback (cc/cv , ovp , otp , foldback, ac fault) 9.
  • Page 14 1. Electrolytic capacitors life Yrs. More than 3yrs at 40C ambient , 100% load 2. Grade G-2 , Lambda Group derating criteria & EIAJ RCR-9102A 3. MTBF Hrs. 40,000 minimum based on reliability estimation per MIL-HDBK-217F,Section 5.2, ground benign GB,Parts (EIAJ RCR-9102A) count Reliabililty, Generic FaIlure rates, 25C 4.

  • Page 15: Chapter 3 Installation

    Keep all packing material until the inspection has been completed. If damage is detected, file a claim with carrier immediately and notify the Lambda sales or authorized service facility nearest you. 3.4 RACK MOUNTING The Genesys power supply series is designed to fit in a standard 19”...

  • Page 16: Locaton, Mounting And Cooling

    3.5 LOCATON, MOUNTING AND COOLING This power supply is fan cooled. The air intake is at the front panel and the exhaust is at the rear panel. Upon installation allow cooling air to reach the front panel ventilation inlets. Unrestricted air space at the front and the rear of the unit is necessary for proper cooling of power supply.
  • Page 17 Input Rating Label Input Terminal Block Input Terminal Block with cover. NOTE: The figure shows input connection from left side. For connection from right side reverse the input cover. Figure 3.1 3.7.1 Recommended Cable Size for Input Connection INPUT VOLTAGE CURRENT RMS AMPS RECOMMENDED PER PHASE...

  • Page 18: Turn-On Checkout Procedure

    3.8 TURN-ON CHECKOUT PROCEDURE 3.8.1 General The following procedure ensures that the power supply is operational and may be used as a basic in- coming inspection check. Refer to Fig. 4-1 and Fig. 4-2 for the location of the controls indicated in the procedure.
  • Page 19 7. Remove the shunt from the power supply output terminals. 3.8.5 OVP Check Refer to Section 5.3 for explanation of the OVP function prior to performing the procedure below. 1. Turn the front panel AC power switch to On position and turn on the output by pressing OUT pushbutton.

  • Page 20: Connecting The Load

    3.9 CONNECTING THE LOAD WARNING Turn Off the AC input power before making or changing any rear panel connection. Ensure all live circuits are discharged and that all connections are securely tightened before applying power. There is a potential shock hazard when using a power supply with a rated output greater than 40V.
  • Page 21 3.9.2 Noise and Impedance Effects To minimize the noise pickup or radiation, the load wires and remote sense wires should be twisted pairs to the shortest possible length. Shielding of sense leads may be necessary in high noise envi- ronments. Where shielding is used, connect the shield to the chassis via a rear panel Ground screw. Even if noise is not a concern, the load and remote sense wires should be twisted-pairs to reduce cou- pling, which might impact the stability of power supply.
  • Page 22 Fig. 3-11: Remote sensing, single load Fig. 3-12: Multiple loads connection, radial distribution, local sense 3.9.6 Multiple load connection with distribution terminals If remotely located output distribution terminals are used, the power supply output terminals should be connected to the distribution terminals by pair of twisted and/or shielded wires. Each load should be separately connected to the remote distribution terminals (see Fig.3-13).

  • Page 23: Local And Remote Sensing

    Fig. 3-13: Multiple loads connection with distribution terminal WARNING There is a potential shock hazard at the sense connector when using a power supply with a rated output voltage greater than 40V. Local sense and remote sense wires should have a minimum insulation rating equivalent or greater than the maximum output voltage of the power supply.
  • Page 24 Terminal Function J2-1 Remote positive sense (+S) J2-2 Local positive sense. Connected internally to the positive output terminal (+LS). J2-3 Not connected (NC) J2-4 Local negative sense. Connected internally to the negative output terminal (-LS). J2-5 Remote negative sense (-S). Table 3-4: J2 terminals 3.10.3 Remote sensing WARNING...
  • Page 25 3.11 REPACKAGING FOR SHIPMENT To ensure safe transportation of the instrument, contact the Lambda sales or service facility near you for Return Authorization and shipping information. Please attach a tag to the power supply describing the problem and specifying the owner, model number and serial number of the power supply. Refer to Warranty Information for further instructions.

  • Page 26: Chapter 4 Front And Rear Panel Controls And Connectors

    CHAPTER 4 FRONT AND REAR PANEL CONTROLS AND CONNECTORS 4.1 INTRODUCTION The Genesys Power Supply series has a full set of controls, indicators and connectors that allow the user to easily setup and operate the unit. Before starting to operate the unit, please read the following sections for explanation of the functions of the controls and connectors terminals.
  • Page 27 Number Control/Indicator Description Section 5.2.1 VOLTAGE control High resolution rotary encoder for adjusting the Output 5.3.1 Voltage. Also adjusts the OVP/UVL levels and selects the 5.4.1 Address 7.2.2 VOLTAGE indicator Green LED, lights for constant-Voltage mode operation. VOLTAGE display 4 digit, 7-segment LED display. Normally displays the out- put voltage.
  • Page 28 Over Voltage Protection and Under Voltage limit setting. -Press once to set OVP using VOLTAGE encoder (the cur- OVP/UVL button rent display shows “OUP”) -Press again to set the UVL using VOLTAGE encoder (the current display shows “UUL”). Main function: Press PREV to display the output voltage and current limit setting.

  • Page 29: Rear Panel Controls And Indicators

    Platform A Output Range 7.5V - 80V Safety (PE) GND must be connected. Platform B Output Range 100V - 300V SW 1 Safety (PE) GND must be connected. Platform C Output Range 400V - 600V Safety (PE) GND must be connected.

  • Page 30: Rear Panel Sw1 Setup Switch

    Section Number Item Description 3.7.1 AC input M6 Stud terminal suitable for ring lugs. 3.7.2 connector Bus-bars up to 300V models. DC output 3.9.6 Stud terminals for models above 300V. RJ-45 type connector, use for connecting power supplies to RS232 or RS485 port of computer for remote control purposes.
  • Page 31 Fig. 4-3: SW1 setup DIP switch 4.4.1 SW1 position function Refer to Table 4-3 for description of SW1 position functions. The factory default setting is Down for all positions. Observe ESD precautions when setting switch positions. Table 4-3: SW1 positions functions Position Function DOWN (Factory default)

  • Page 32: Rear Panel J1 Programming And Monitoring Connector

    4.5 REAR PANEL J1 PROGRAMMING AND MONITORING CONNECTOR The J1 Programming and Monitoring connector is a DB25 subminiature connector located on the power supply rear panel. Refer to Table 4-4 for description of the connector functions. The power supply de- fault configuration is Local operation, which does not require connections to J1.
  • Page 33 Table 4-4: J1 connector terminals and functions Signal contact name Function Reference J1-1 ENA_IN Enable/Disable the power supply output by dry-contact Sec. 5.8 (short/open) with ENA_OUT. J1-2 IF_COM Isolated Interface Common. Return for the SO control, Sec.5.7, 5.10 J1-3 PS_OK signal and for the optional IEEE interface. J1-4i7 No Connection J1-8...

  • Page 34: Chapter 5 Local Operation

    CHAPTER 5 LOCAL OPERATION 5.1 INTRODUCTION This Chapter describes the operating modes that are not involved in programming and monitoring the power supply via its serial communication port (RS232/RS485) or by remote analog signals. Ensure that the REM/LOC LED on the front panel is Off, indicating Local mode. If the REM/LOC LED is On, press the front panel REM/LOC button to change the operating mode to local.

  • Page 35: Over Voltage Protection (Ovp)

    -Enabled output, power supply in Constant Voltage mode: Press the PREV button and then ro- tate the CURRENT encoder knob. The CURRENT meter will show the programmed current limit for 5 seconds after the adjustment has been completed, and then will return to show the actual load current.

  • Page 36: Under Voltage Limit (Uvl)

    5.4 UNDER VOLTAGE LIMIT (UVL) The UVL prevents adjustment of the output voltage below a certain limit. The combination of UVL and OVP functions, allow the user to create a protection window for sensitive load circuitry. 5.4.1 Setting the UVL level Setting the UVL can be made when the power supply output is Enabled (On) or Disabled (Off).

  • Page 37: Enable/Disable Control Via Rear Panel J1 Connector

    When the unit is shut-off by J1 signal, the VOLTAGE display will show “SO” to indicate the unit state. J1 contact 15 is the SO signal input and contacts 2 and 3, IF_COM, are the signal return (connected internally). Contacts 2, 3 and 15 are optically isolated from the power supply output.

  • Page 38: Safe Start And Auto-Restart Modes

    *Foldback *IEEE failure (With optional IEEE interface) *AC fail *Output Off 5.11 SAFE START AND AUTO-RESTART MODES When turning on the power supply, it can start to its last setting of Output Voltage and Current limit with the output enabled (Auto-restart) or start with the output disabled (Safe mode). Press and hold the OUT button to select be- tween Safe start and Auto-restart modes.
  • Page 39 CAUTION Do not connected power supplies from different manufacturers in series or in parallel. 5.14.1 Series connection for increased output voltage In this mode, two units are connected so that their outputs are summed. Set the current limit of each power supply to the maximum that the load can handle without damage.
  • Page 40 3. Programming by external resistor: Programming by external resistor is possible. Refer to Sec- tion 6-5 for details. 4. Programming via the Serial The communication port is referenced to the IF_COM Communication port (RS232/RS485): which is isolated from the power supply output potential. Therefore power supplies connected in series can be chained using the Remote-In and Remote-Out connectors.

  • Page 41: Parallel Operation

    5.15 PARALLEL OPERATION Up to three units of the same VOLTAGE and CURRENT rating can be connected in parallel to provide up to three times the output current capability. One of the units operates as a master and the remaining units are slaves.

  • Page 42: Daisy-Chain Connection

    With local sensing it is important to minimize the wire length and resistance. Also the positive and negative wire resistance should be as close as possible to each other to achieve current balance between power supplies. 5.16 DAISY-CHAIN CONNECTION It is possible to configure a multiple power supply system to shut down all the units when a fault condition occurs in one of the units.

  • Page 43: Chapter 6 Remote Analog Programming

    CHAPTER 6 REMOTE ANALOG PROGRAMMING 6.1 INTRODUCTION The rear panel connector J1 allows the user to program the power supply output voltage and current limit with an analog device. J1 also provides monitoring signals for output voltage and output current. The programming range and monitoring signals range can be selected between 0-5V or 0-10V using the setup switch SW1.
  • Page 44 6.4 REMOTE VOLTAGE PROGRAMMING OF OUTPUT VOLTAGE AND CURRENT LIMIT CAUTION To maintain the isolation of power supply and prevent ground loops, use an isolated programming source when operating the power supply via remote analog programming at J1 connector. Perform the following procedure to set the power supply to Remote Voltage programming: 12.

  • Page 45: Resistive Prog Of Output Voltage And Current Limit

    6.5 RESISTIVE PROGRAMMING OF OUTPUT VOLTAGE AND CURRENT LIMIT For resistive programming, internal current sources, for output voltage and/or output current control, supply 1mA current through external programming resistors connected between J1-9 & 22 and J1-10 & 23. The voltage across the programming resistors is used as a programming voltage for the power supply.
  • Page 46 REMOTE MONITORING OF OUTPUT VOLTAGE AND CURRENT The J1 connector, located on the rear panel provides analog signals for monitoring the output voltage and output current. Selection of the voltage range between 0-5V or 0-10V is made by setup switch SW1-4.

  • Page 47: Chapter 7 Rs232 & Rs485 Remote Control

    CHAPTER 7 RS232 & RS485 REMOTE CONTROL 7.1 INTRODUCTION This chapter describes the operation of the Genesys 10kw and 15kw power supplies via the serial communication port. Details of the initial set-up, operation via RS232 or RS485, the command set and the communication protocol are described in this chapter.

  • Page 48: Rear Panel Rs232/485 Connector

    2. There are two Remote modes: 1. Remote: In this mode, return to local can be made by the front panel REM/LOC or via serial port command RMT 0. Set the unit into Remote mode via serial port RMT 1 command. 2.

  • Page 49: Connecting Power Supplies To Rs232 Bus

    7.4 CONNECTING POWER SUPPLIES TO RS232 BUS 7.4.1 Single power supply 1. Select the desired interface RS232 or RS485 using rear panel setup switch SW1-6 (Section 4-4). -RS232: Down position -RS485: Up position 2. Connect rear panel IN connector to the controller RS232 or RS485 port using a suitable shielded ca- ble.

  • Page 50: Communication Interface Protocol

    Refer to Figure 7-5 for typical connection. - Set rear panel setup switch SW1-6 to its UP position. - Using the Linking cable (refer to Fig. 7-6), connect each unit OUT connector to the next unit IN connector. 7.5 COMMUNICATION INTERFACE PROTOCOL RS232/RS485 RS485 RS485...

  • Page 51: Error Messages

    7.5.7 Error message If an error is detected in command or query, the power supply will respond with an error message. Re- fer to section 7.6 for details. 7.5.8 Backspace The backspace character (ASCII 8) clears the last character sent to the power supply. 7.6 ERROR MESSAGES The power supply will return error messages for illegal commands and illegal programming parameters.
  • Page 52 ID control commands Command Description IDN? Returns the power supply model identification as an ASCII string: LAMBDA, GENX-Y REV? Returns the software version as an ASCII string. Returns the unit serial number. Up to 12 characters. DATE? Returns date of last test. Date format: yyyy/mm/dd 7.7.5...
  • Page 53 7.7.5 Output control commands-cont. Display Voltage and Current data. Data will be returned as a string of ASCII char- acters. A comma will separate the different fields. The fields, in order, are: Meas- DVC? ured Voltage, Programmed Voltage, Measured Current, Programmed Current, Over Voltage Set Point and Under Voltage Set Point.

  • Page 54: Global Output Commands

    7.8 GLOBAL OUTPUT COMMANDS 7.8.1 GENERAL All supplies, even if not the currently addressed supply, receiving a global command will exe- cute the command. No response to the PC issuing the command will be returned to the PC. The PC issuing the command will be responsible to delay and any other communications until the command is execute.
  • Page 55 All Single Byte commands will be executed in 1 ms or less. This does not include any response sent to the HOST/IEEE Board, which is dependent upon the response length and the serial transmission speed (Baud rate). 7.9.2 Global commands without response 7.9.2.1 Disable MD Mode (MD MODE OPTION REQUIRED) Disable is the default condition upon power up.
  • Page 56 register data, a single dollar sign, $, will be added to signal the end of data and the start of a checksum. The checksum will be the sum of all register data and will be represented in two Hex bytes. The transmission will end with the CR character. If repetitive sending of SRQs was active and the supply was sending them, the supply will stop sending repetitive SRQs but leave the function active.
  • Page 57 Global Commands Disable MD Mode 1010 0000 None Set supplies out of MD Mode (de- fault) Enable MD Mode 1010 0001 None Set supplies into MD Mode Disable SRQ Disable retransmission of SRQs by 1010 0010 None retransmission supplies (default) Enable SRQ Enable retransmission of SRQs by 1010 0011...

  • Page 58: Status Control Commands

    7.5-1000 1000.0 10-1000 1000.0 12.5-800 800.0 20-500 500.0 25-400 400.0 30-333 333.0 40-250 250.0 50-200 200.0 60-167 167.0 80-125 125.0 100-100 100.0 125-80 80.0 150-66 66.0 200-50 50.0 250-40 40.0 300-33 33.0 400-25 25.0 500-20 20.0 600-17 17.0 NOTE: The power supply can accept values higher 5% than the table values, however it is not recommended to program the power supply over the rated values.

  • Page 59: Status, Error And Srq Registers

    STT? Reads the complete power supply status. Returns ASCII characters representing the following data, separated by commas: MV<actual (measured) voltage> PC<programmed (set) current> PV<programmed (set) voltage> SR<status register, 2-digit hex> MC<actual (measured) current> FR<fault register, 2-digit hex> Example response: MV(45.201),PV(45), MC(4.3257), PC(10), SR(30), FR(00) FLT? Reads Fault Conditional Register.
  • Page 60 Voltage supply in CV. Constant Output is ON and the Output is ON and the supply is not in Current supply in CC. The power supply is No Fault NFLT One or more faults are active and fault operating normally or reporting is enabled (using “FENAxx”).
  • Page 61 The Fault Event will set a bit if a condition occurs and it is enabled. The register is cleared when FEVE?, CLS or RST commands are received. Table 7-13: Fault Event Register Enable Fault symbol Bit Set condition Bit reset condition bit name 0 (LSB) Spare bit...

  • Page 62: Serial Communication Test Set-Up

    Changes in status 0 (LSB) Constant Voltage occurs and it is enabled. Constant Current The change can Entire Event Register is NFLT No Fault set a bit, but when cleared when user sends the change clears “SEVE?” command to read Fault active the bit remains the register.

  • Page 63: Status Registers

    PC write: PVn Power supply response: “OK” PC write: PCn (for values of n see Tables 7-4, 7-5 and 7-6) Power supply response: “OK” The power supply should turn on and the display will indicate the actual output voltage and the actual output current. Command Error (”Cnn”) One response for every command or query received.

  • Page 64: Chapter 8 Isolated Analog Programming Option

    CHAPTER 8 ISOLATED ANALOG PROGRAMMING OPTION 8.1 INTRODUCTION Isolated Analog Programming is an internal option card for analog programming of the Genesys power supply series. The option is factory installed and cannot be obtained with GPIB (IEEE-488) Inter- face. Output Voltage and Current Limit can be programmed and readback through optically isolated signals which are isolated from all other ground references in the power supply.

  • Page 65: Isolated Programming & Monitoring Connector

    8.3 ISOLATED PROGRAMMING & MONITORING CONNECTOR Refer to Table 8-1 for detailed description of the rear panel Isolated Programming & Monitoring connector. To provide the lowest noise performance, it is recommended to use shielded-twisted pair wiring. Refer to Fig.8-1 for description of the connector. Isolated programming plug P/N: MC1.5/8-ST-3.81, Phoenix.
  • Page 66 8.4.1 Setting up the power supply for 0-5/0-10V Isolated Programming and Monitoring Perform following CAUTION procedure To prevent damage to the unit, do not program the output voltage and configure the current to higher then the power supply rating. power supply: 1.

  • Page 67: Chapter 9 Maintenance

    In case of failure, unusual or erratic operation of the unit, contact a Lambda Americas sales or service facility nearest you. Please refer to the Lambda Americas sales offices addresses listing on the back cover of this user manual.
  • Page 68 SYMPTOM CHECK ACTION Output voltage will not adjust. Is the unit in constant Check current limit 5.2.1 Front panel CC LED is on. current mode? setting and load current. 5.2.2 Output voltage will not adjust Check if output voltage is Set OVP or UVL so they Front panel CV Led is on.

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