Xantrex XFR 100-28 Operating Manual Download Page 34

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Features and Specifications

Specifications

Operating Manual for XFR 2.8kW Series Power Supply

Environmental

Specifications

Operating Temperature Range

0 °C to 50 °C.

Storage Temperature Range

-20 °C to +70 °C

Humidity Range

up to 90% RH non-condensing

Operating Altitude

Up to 6,500 feet (2000 m)

Storage Altitude

Up to 50,000 feet (15 000 m)

Installation Category

Pollution Degree

Summary of Contents for XFR 100-28

Page 1: ...Operating Manual XFR 2800 Watt Series Programmable DC Power Supply XFR 7 5 300 XFR 12 220 XFR 20 130 XFR 33 85 XFR 40 70 XFR 60 46 XFR 100 28 XFR 150 18 XFR 300 9 XFR 600 4 ...

Page 2: ......

Page 3: ...Operating Manual for XFR 2800 Watt Series Programmable DC Power Supply ...

Page 4: ...he right to use parts or products of original or improved design in the repair or replacement If Xantrex repairs or replaces a product its warranty continues for the remaining portion of the original Warranty Period or 90 days from the date of the return shipment to the customer whichever is greater All replaced products and all parts removed from repaired products become the property of Xantrex X...

Page 5: ...he product exchanged under warranty What does this warranty not cover This Limited Warranty does not cover normal wear and tear of the product or costs related to the removal installation or troubleshooting of the customer s electrical systems This warranty does not apply to and Xantrex will not be responsible for any defect in or damage to a the product if it has been misused neglected improperly...

Page 6: ... WILL XANTREX BE LIABLE FOR ANY SPECIAL DIRECT INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES LOSSES COSTS OR EXPENSES HOWEVER ARISING WHETHER IN CONTRACT OR TORT INCLUDING WITHOUT RESTRICTION ANY ECONOMIC LOSSES OF ANY KIND ANY LOSS OR DAMAGE TO PROPERTY ANY PERSONAL INJURY ANY DAMAGE OR INJURY ARISING FROM OR AS A RESULT OF MISUSE OR ABUSE OR THE INCORRECT INSTALLATION INTEGRATION OR OPERATION OF ...

Page 7: ...our product user manual for limitations on uses of the product Specifically please note that this power supply is not intended for use in connection with life support systems and Xantrex makes no warranty or representation in connection with any use of the product for such purposes Xantrex Technology Inc 8999 Nelson Way Burnaby British Columbia Canada V5A 4B5 Information About Your Power Supply Pl...

Page 8: ...rous energy for some time after power is removed CAUTION Operate the power supply in an environment free of flammable gases or fumes To ensure that the power supply s safety features are not compromised use the power supply as specified in this manual and do not substitute parts or make any unauthorized modifications Contact the service technician for service and repair help Repairs must be made b...

Page 9: ...iques while making supply or pin connections and any changes in switch settings Main Sections Section 1 Features and Specifications Describes the power supply and lists its features and specifications Section 2 Installation Goes through basic setup procedures Describes inspection cleaning shipping and storage procedures Includes AC input connection basic functions testing and load and sense lines ...

Page 10: ...g Manual for XFR 2 8kW Series Power Supply Power Supply Safety Markings Alternating Current Off Supply Earth Ground Terminal Caution Hot Surface Protective Conductor Terminal Caution Check manual for additional information On Supply ...

Page 11: ...ons 33 Section 2 Installation Introduction 35 Basic Setup Procedure 35 Inspection Cleaning and Packaging 36 Initial Inspection 36 Periodic Cleaning 36 Returning Power Supplies to the Manufacturer 37 Return Material Authorization Policy 37 Packaging for Shipping or Storage 38 Location Mounting and Ventilation 39 Rack Mounting 39 Ventilation 39 AC Input Power 40 AC Input Connector and Voltage Select...

Page 12: ...ies for Parallel Operation 66 Configuring Multiple Supplies for Split Supply Operation 67 Over Temperature Protection OTP 70 User Diagnostics 71 Emergency Shutdown 71 Unusual or Erratic Operation 71 Troubleshooting for Operators 71 Section 4 Remote Operation Introduction 73 Remote Analog Programming of Output Voltage and Current Limit 74 Remote Programming Options 74 Remote Analog Programming Proc...

Page 13: ...oad Connection Hardware 48 Figure 2 6 Output Voltage Connector 49 Figure 2 7 Single Load with Local Sensing Default 50 Figure 2 8 Single Load with Remote Sensing 50 Figure 2 9 Multiple Loads with Local Sensing 51 Figure 2 10 Multiple Loads with Remote Sensing 52 Figure 2 11 J10 Sense Connector 54 Figure 2 12 Connecting Remote Sense Lines 56 Figure 3 1 Operating Modes 58 Figure 3 2 Series Operation...

Page 14: ...List of Figures xii Operating Manual for XFR 2 8kW Series Power Supply ...

Page 15: ...nge and Frequency 40 Table 2 3 AC Wire Specification 41 Table 2 4 Current Carrying Capacity for Load Wiring 45 Table 2 5 Rear Panel J10 Sense Connector Terminals and Functions 54 Table 3 1 Shipped Configuration Local Control Mode 59 Table 3 2 Switch Settings for Shutdown Circuit Logic 64 Table 3 3 Switch Settings for Over Temperature Recovery Options 70 Table 3 4 User Diagnostics 72 Table 4 1 Remo...

Page 16: ...List of Tables xiv Operating Manual for XFR 2 8kW Series Power Supply ...

Page 17: ...pies only 3 5 in 2 U of vertical rack space Designed for continuous use in standalone or systems applications this power supply is typically used to power DC equipment control magnets or burn in components See Table 1 1 for the list of available models Table 1 1 Available Voltage and Current Ranges Features and Options Simultaneous digital display of both voltage and current Ten turn front panel v...

Page 18: ...connected in parallel or in series to provide increased current or voltage Over temperature protection OTP shutdown latches or automatically resets Remote analog voltage and current limit programming with selectable programming ranges External monitor signals for output voltage and current Isolated analog remote programming control of the output voltage or current and isolated readback of output v...

Page 19: ... Preview Switch V I CHECK See page 43 for more information Return to Local Programming LOCAL for units with digital programming interface installed AC Power Switch Remote Programming LEDs For units with digital programming interface installed Voltage Mode LED Output Voltage Control Knob Current Mode LED Output Current Control Knob Shutdown LED S D OVP Shutdown LED OVP OVP Adjust Potentiometer OVP ...

Page 20: ... Monitoring and Shutdown Select switch and the rear panel J2 Programming and Monitoring connector to choose among several remote programming and monitoring options See Figure for switches and connectors available at the rear panel See Rear Panel SW1 Switch on page 20 and Rear Panel J2 Connector on page 22 for a list of switches and connector functions and procedures for using them ...

Page 21: ...Do not block AC Input Connector See page 40 for more information J10 Sense Connector See page 53 for more information 1 Return Sense 2 Negative Output Return 3 No connection N C 4 Positive Output 5 Positive Sense J2 Programming and Monitoring Connector See page 22 for more information 1 Remote Output Voltage Programming Select 2 Remote Output Current Limit Programming Select 3 Control Ground 4 N C...

Page 22: ...ming scales Output voltage and current monitor scales Remote shutdown circuit logic Over temperature shutdown mode Figure 1 3 Programming and Monitoring SW1 Switch Switch is shown in factory default configuration Table 1 2 shows the functions assigned to each SW1 switch 1 Resistive Programming of Output Voltage 2 Resistive Programming of Output Current 3 Selects Output Voltage Programming Source R...

Page 23: ... to close contact Switch Function Open1 1 Factory defaults underlined Closed SW1 1 1 mA current source for resistive programming of output voltage Voltage source programming Resistive programming 0 5 k 0 10 k SW1 2 1 mA current source for resistive programming of output current limit Voltage source programming Resistive programming 0 5 k 0 10 k SW1 3 Output voltage programming source range select ...

Page 24: ...urrent Remote control of the shutdown function using a 2 5 V to 15 V signal Figure 1 4 Programming and Monitoring J2 Connector See Table 1 3 for the list of the J2 connector terminal numbers their references and corresponding functions 1 Remote Output Voltage Programming Select 2 Remote Output Current Limit Programming Select 3 Control Ground 4 No connection 5 Voltage Program Signal Return 6 Outpu...

Page 25: ...e program signal J2 6 VPGM Output Voltage Programming Input Input for voltage programming signals from an analog device J2 7 IPGM Current Program Signal Return Return for current program signal J2 8 IPGM Output Current Limit Programming Input Input for current limit programming signals from an analog device J2 9 VMON Voltage Monitor Signal Return Return for voltage monitor signal J2 10 VMON Output...

Page 26: ...m monitor signal return J2 terminals 5 7 9 and 11 relative to the supply output because control ground J2 3 and the program monitor signal returns are at the same potential as the power supply return in a standard unit Use the Isolated Programming ISOL Interface option to allow control from a programming source at a different potential relative to the supply s output CAUTION To maintain the isolat...

Page 27: ...ions These specifications are warranted over a temperature range of 0 C to 50 C Nominal ambient temperature assumed is 25 C Nominal line voltage is 208 Vac 60 Hz See Table 1 4 and Table 1 5 for maximum values for model dependent specifications Specifications are subject to change without notice ...

Page 28: ...utput Ripple rms Voltage Current 5 10 mV 1600 mA 10 mV 1200 mA 10 mV 400 mA 15 mV 300 mA 15 mV 200 mA Drift 30 minutes 6 Voltage 0 07 of Vmax Current 0 7 of Imax For Resistive Programming Voltage 0 6 of Vmax Current 0 6 of Imax 3 75 mV 2100 mA 45 mV 1800 mA 6 mV 1540 mA 72 mV 1320 mA 10 mV 910 mA 120 mV 780 mA 16 5 mV 595 mA 198 mV 510 mA 20 mV 490 mA 240 mV 420 mA Drift 8 hours 7 Voltage 0 05 of ...

Page 29: ...range with constant rated load 4 For 0 100 load variation with constant nominal line voltage 5 Current mode noise is measured from 10 to 100 of rated output voltage full current 6 Maximum drift over 30 minutes with constant line load and temperature after power on 7 Maximum drift over 8 hours with constant line load and temperature after 30 minute warm up 8 Change in output per C change in ambient...

Page 30: ... 500 mV Output Ripple rms Voltage Current 5 15 mV 100 mA 25 mV 80 mA 25 mV 40 mA 40 mV 20 mA 100 mV 10 mA Drift 30 minutes 6 Voltage 0 05 of Vmax Current 0 7 of Imax For Resistive Programming Voltage 0 6 of Vmax Current 0 6 of Imax 30 mV 322 mA 360 mV 276 mA 50m V 196m A 600 mV 168 mA 75 mV 126 mA 900 mV 108 mA 150 mV 63 mA 1800 mV 54 mA 300 mV 28 mA 3600 mV 24 mA Drift 8 hours 7 Voltage 0 05 of V...

Page 31: ...range with constant rated load 4 For 0 100 load variation with constant nominal line voltage 5 Current mode noise is measured from 10 to 100 of rated output voltage full current 6 Maximum drift over 30 minutes with constant line load and temperature after power on 7 Maximum drift over 8 hours with constant line load and temperature after 30 minute warm up 8 Change in output per C change in ambient...

Page 32: ... Measured with stepped 0 10 V analog programming source and a resistive load 2 Time for the output voltage to recover within 0 5 of its rated value after a step change in load current of 10 to 90 of rated output with an output setpoint between 50 100 of rated value Load slew rate 6 A ms Rated AC Input Voltage 200 208 220 230 240 Vac nominal Maximum AC Input Power 5000 VA Operational AC Input Volta...

Page 33: ...pedance 2 k in series with one diode drop Remote Analog Programming Full Scale Input Voltage and current programming inputs source must be isolated 0 5 k 0 10 k resistances 0 5 V 0 10 V default voltage sources Input impedance V and I approximately 100 k Remote Monitoring Output voltage and current 0 5 V 0 10 V default Output impedance V and I approximately 221 Ω Output short circuit current approx...

Page 34: ...r Supply Environmental Specifications Operating Temperature Range 0 C to 50 C Storage Temperature Range 20 C to 70 C Humidity Range up to 90 RH non condensing Operating Altitude Up to 6 500 feet 2000 m Storage Altitude Up to 50 000 feet 15 000 m Installation Category II Pollution Degree 2 ...

Page 35: ... 1 0 197 in 5 0 mm D 2 150 V to 600 V models 4 terminal right angle PC mount wire clamp connector with removable strain relief cover Sense Connector 5 terminal wire clamp connector 2 piece Analog Programming Connector 15 terminal wire clamp connector 2 piece Chassis Ground One chassis ground screw located on rear panel for bonding connections or for wire shield grounding Maximum penetration into u...

Page 36: ...pecifications Specifications 34 Operating Manual for XFR 2 8kW Series Power Supply Figure 1 6 Dimensional Drawings Dimensions given are nominal 3 45 87 63 mm 20 975in 533 mm 17 475in 444 mm 16 9in 429 mm 19in 483 mm ...

Page 37: ... Section 3 Local Operation for instructions about front panel operation OVP OTP shutdown and using multiple supplies You will find remote programming and monitoring described in Section 4 Remote Operation Step Description Action Reference 1 Inspection Perform an initial physical inspection of the supply Inspection Cleaning and Packaging on page 36 2 Installation Install the supply bench or rack mo...

Page 38: ...service technician check the printed circuit board and its components if you suspect internal damage If the unit is damaged save all packing materials and notify the carrier immediately See packing instructions on page 38 Periodic Cleaning No routine servicing of the power supply is required except for periodic cleaning Whenever a unit is removed from operation clean metal surfaces with naphtha or...

Page 39: ...ures on page 38 preferably using the original box and packing materials Please ensure that your product is shipped fully insured in the original packaging or equivalent This warranty will not apply where the product is damaged due to improper packaging 2 Include the following The RMA number supplied by Xantrex Technology Inc clearly marked on the outside of the box A return address where the unit ...

Page 40: ...the power supply in its original container If the original container is not available seal the unit in a plastic bag and then pack it in a 200 lb 90 kg test corrugated cardboard carton large enough to allow 2 inches 5 cm of cushioning material to surround the unit Use a material such as foam slabs or chips 3 Label the carton as shown in Figure 2 1 4 If shipping mark the address of the service cent...

Page 41: ...e support bar To install the power supply with rack mount slides use a commercially available slide kit Follow the manufacturer s instructions to install the slides Add a 1 8 in 3 0 mm spacer between the chassis and the slides Ventilation Whether you place the power supply in a rack or on a bench allow cooling air to reach the ventilation inlets on the sides of the unit and allow 4 in 10 cm of unr...

Page 42: ...connected to an electrical ground via the safety ground in the AC input connector Ensure that the power supply is connected to a grounded AC outlet with the recommended AC input connector configured for the available line voltage as described in this section WARNING Disconnect AC power from the unit before removing the cover Even with the front panel power switch in the OFF position live line volt...

Page 43: ...ix shaped body onto the AC cable Insert the stripped wires through the strain relief base until the outer cable jacket is flush with the edge of the base Tighten the body to the base while holding the cable in place The cable is now securely fastened inside the strain relief 4 Route the AC wires to the input connector terminals as required For input connector terminal locations see lower inset in ...

Page 44: ...kW Series Power Supply Figure 2 2 AC Input Cover and Strain Relief Screw on Locknut Stripped Wire Installed in Strain Relief Connector Terminal Locations Cover Assembled Strain Relief Flat Washer 2 places Lock Washer 2 places Screw 2 places Chassis Ground Screw ...

Page 45: ... connector as shown on the rear panel diagram in Figure 3 Turn the voltage and current controls fully counter clockwise 4 Connect the unit to an AC outlet 5 Turn the front panel AC power switch to ON After a short power on delay the front panel digital meters light up and the green voltage mode LED turns on Both voltmeter and ammeter displays read zero Voltage Mode Operation Check 1 Ensure the vol...

Page 46: ...ully clockwise Push the STANDBY switch to its IN position and check that the voltmeter reading falls to zero and the red S D Shutdown LED turns on Push the STANDBY switch once again to reset it to its OUT position The S D LED turns off and the voltmeter reading returns to its previous value 3 Press the STANDBY switch to its IN position 4 Press the OVP CHECK switch and check that the voltmeter disp...

Page 47: ...a minimum load wiring must have a current capacity greater than the output current rating of the power supply This ensures that the wiring will not be damaged even if the load is shorted Table 2 4 shows the maximum current rating based on 450 A cm2 for various gauges of wire rated for 105 C operation Operating at the maximum current rating results in an approximately 30 C temperature rise for a wi...

Page 48: ...nel mounting screw Where shielding is impossible or impractical simply twisting the wires together will offer some noise immunity When using local sense connections use the largest practical wire size to minimize the effects of load line impedance on the regulation of the supply Making Load Connections Make load connections at the rear of the power supply at the positive and negative output bus ba...

Page 49: ... 16 in Phillips pan head screws 6 x 0 288 in lock washers and 6 x 5 16 in flat washers 3 places from the top cover 2 Pull up on the top cover to remove it 3 Undo 6 32 x 1 4 in Keps nuts and 6 x 5 16 in flat washers from the chassis mounted PEM studs 3 places to remove the chassis cover Figure 2 4 Output Strain Relief and Cover Screw Lock Washer and Flat Washer 3 places KepsNutand Flat Washer 3 pla...

Page 50: ...f strain relief Do not disassemble the strain relief 4 Insert load wire in strain relief 5 Install connectors to load wiring 6 Fasten connectors to bus bars with 5 16 in x 5 8 in M8 x 16 mm screws 5 16 in M8 flat washers lock washers and hex nuts as shown in Figure 2 5 7 Tighten the strain relief clamp 8 Replace the top cover Note Bus bar hole sizes are one of 0 343 in 8 7 mm D two of 0 197 in 5 0...

Page 51: ...ble the strain relief 4 Insert load wire in strain relief 5 To connect the wiring loosen each terminal screw insert a stripped wire into the terminal and tighten the screw securely 6 Tighten the strain relief clamp 7 Replace the top cover Figure 2 6 Output Voltage Connector For 150 V to 600 V models WARNING To protect personnel against accidental contact with hazardous voltages ensure that the loa...

Page 52: ...or a varistor across the output to protect the power supply The breakdown voltage rating for the transorb or varistor must be approximately 10 higher than the rated supply output Connecting Single Loads Figure 2 7 and Figure 2 8 show recommended load and sensing connections for single loads Local sense lines shown are default connections at the rear panel J10 sense connector as identified on Figur...

Page 53: ...l Power Distribution Method To connect distributed loads we recommend that you use radial power distribution With this method you connect power to each load individually from a single pair of terminals designated as the positive and negative distribution terminals These terminals may be the power supply output terminals the terminals of one of the loads or a distinct set of terminals especially es...

Page 54: ...Installation Load Connection 52 Operating Manual for XFR 2 8kW Series Power Supply Figure 2 10Multiple Loads with Remote Sensing ...

Page 55: ...he output voltage is regulated at the output terminals or bus bars This method does not compensate for voltage losses in the load lines so it is recommended only for low current applications or applications for which precise load regulation is not essential Note When using local sense connections use the largest practical load wire size to minimize the effects of line impedance on the regulation o...

Page 56: ...ector Terminals and Functions Terminal Name Function J10 1 Return Sense SNS Remote negative sense connection Default connection to terminal 2 J10 2 Negative Output Return or RTN Connected internally to negative bus bar J10 3 N C No connection J10 4 Positive Output OUT Connected internally to positive bus bar J10 5 Positive Sense SNS Remote positive sense connection Default connection to terminal 4...

Page 57: ... terminal 2 power supply return 3 Connect the positive remote sense lead to J10 mating connector terminal 5 positive sense and the negative lead to terminal 1 return sense Ensure that the mating connector is plugged securely into the rear panel sense connector Connect the other ends of the sense wires to the corresponding sense points at the load WARNING There is a potential shock hazard at the se...

Page 58: ... If you operate the power supply with remote sense lines connected to the load and with either of the positive or negative load lines not connected the power supply shutdown circuit will activate causing the output voltage and current to fall to zero 2 If you operate the power supply without remote sense lines or local sense jumpers in place the supply will continue to work but supply regulation w...

Page 59: ...n to Section 4 Remote Operation for descriptions of remote programming options and remote monitoring of the power supply Standard Operation This power supply has two basic operating modes Constant Voltage Mode and Constant Current Mode and two control modes Local Control Mode default setting and Remote Programming Mode Both operating modes are available regardless of which control mode is used Ope...

Page 60: ...ed value ISET while the load voltage varies with the load requirements Automatic Mode Crossover This feature allows the power supply to automatically switch operating modes in response to changing load requirements If for instance the power supply was operating in Constant Voltage Mode IL ISET and the load changed so that the load current IL became equal to the current limit setting ISET the power...

Page 61: ...rogramming interface installed See Section 3 for front panel operation See Section 4 for remote analog programming procedure s The supply s sense point is at the rear panel J10 sense connector terminals See Local and Remote Sensing on page 53 for how to change from local to remote sensing The OVP set point is adjusted at the front panel to approximately 110 of rated output voltage See Using Over V...

Page 62: ...tion to disable the power supply output The red Shutdown S D LED turns on 4 Press and hold the V I CHECK button to display the voltage and current control settings on the voltmeter and ammeter displays 5 Adjust the voltage control to the desired voltage the compliance voltage for applications using current mode operation 6 Adjust the current control to the desired current limit setting 7 Release t...

Page 63: ...ulating the line drop then adding this value to the desired OVP setpoint Front Panel OVP Operation In local control mode check the OVP set point at any time by pressing the OVP CHECK switch The OVP set point is the value displayed on the digital voltmeter To set the trip level from the front panel 1 Disconnect any loads Turn the power supply ON 2 Adjust the power supply output voltage to any volta...

Page 64: ... below the OVP set point 2 Press the STANDBY switch IN The red S D LED on the front panel turns on The OVP LED turns off 3 Press the STANDBY switch again to return power to the load and resume normal operation OR 1 Reduce the power supply s output voltage setting to below the OVP set point 2 Turn the power supply OFF using the AC power switch wait until the front panel displays go out then turn th...

Page 65: ... current fall to zero and the red S D Shutdown LED turns on Push the switch once more to reset it to its OUT position and resume normal power supply operation Controlling the Shutdown Function via the J2 Connector The shutdown circuit accepts a 2 5 V to 15 V signal to disable or enable the power supply output Make connections for signals at connector J2 located on the unit s rear panel Set rear pa...

Page 66: ...urns on and the power supply will not provide an output until the HIGH signal level is applied 2 Any of the eight switches on SW1 is OFF OPEN when it has been flipped up to break contact ON CLOSED when flipped down to close contact Switch SW1 7 Setting Source Signal Signal Level Supply Output S D LED OFF OPEN Active low default 2 15 V HIGH OFF ON 0 0 4 V LOW ON OFF ON CLOSED Active high 2 15 V HIG...

Page 67: ...tal voltage available is the WARNING There is a shock hazard at the load when using a power supply with a rated or combined output greater than 40 V To protect personnel against accidental contact with hazardous voltages created by series connection ensure that the load including connections has no live parts which are accessible Also ensure that the insulation rating of the load wiring and circui...

Page 68: ...Set all of the outputs to the same voltage before connecting the positive output terminals and negative output terminals in parallel See Figure 3 3 The total current available is the sum of the maximum currents of each supply When operating multiple supplies in parallel the operating mode of each supply depends on the load current being drawn For example with two 40 V 70 A power supplies operating...

Page 69: ...se remote sensing at the load for better voltage regulation one supply always operates in current limit mode and supplies most of the power Figure 3 3 Parallel Operation of Multiple Supplies Local sense lines shown are default J10 connections Configuring Multiple Supplies for Split Supply Operation Split supply operation uses two power supplies to obtain two positive voltages with a common ground ...

Page 70: ...ive Supply To obtain a positive negative supply connect the negative output terminal of one supply to the positive output terminal of the second supply The positive output terminal of the first supply then provides a positive voltage relative to the common connection while the negative output terminal of the second supply provides a negative voltage You can set the current limits independently The...

Page 71: ...Local Operation Using Multiple Supplies Release 2 1 69 Figure 3 5 Split Supply Operation of Multiple Supplies Positive negative Supply Local sense lines shown are default J10 connections ...

Page 72: ...ut the switch The OTP shutdown circuit activates before the internal components can exceed their safe internal operating temperatures When an OTP shutdown occurs the front panel OTP LED turns on Table 3 3 Switch Settings for Over Temperature Recovery Options Switch SW1 8 OTP Shutdown Selection Description OFF OPEN Auto Reset Default The supply recovers to normal operation when the over temperature...

Page 73: ...FF immediately 2 Disconnect the power supply from the load 3 Test the power supply with no load running the tests in Functional Tests 4 If the tests show that the power supply is functioning normally check all load programming and monitoring connections and circuits 5 Check the AC input for correct voltage and frequency If the problem is not solved after following this procedure or if the unit fai...

Page 74: ...specified range See page 40 Internal circuit See your service technician Output not adjustable Is unit in current limit mode Red Current Mode LED turned on Turn current knob clockwise to increase current limit Reduce load if current is at maximum See page 57 Is unit in remote mode Green REM LED turned on If using remote analog control check your analog programming source Section 4 If not refer to ...

Page 75: ...nector and switch settings when using calibrated readback signals for output voltage and output current with selectable 0 5 V or 0 10 V scales Isolated Programming The four channel Isolated ISOL Programming Interface is an internal card which is ordered as an option It allows remote programming and readback of the power supply s output voltage and current limit with 0 5V analog signals at a differ...

Page 76: ... for programming output voltage and current limit using an analog source Table 4 1 Remote Programming Options Remote Analog Programming Procedure 1 Turn the power supply OFF 2 Using Table 4 2 set switches SW1 1 SW1 2 SW1 3 and SW1 4 according to the selected programming sources See the Notes at the end of this procedure for more information about switch settings 3 Install any J2 connector jumpers ...

Page 77: ...ss otherwise specified in Table 4 2 Switches SW1 5 SW1 6 SW1 7 and SW1 8 are not required for remote programming They can remain at the settings you have selected for your application 2 Resetting switches SW1 3 or SW1 4 the programming scale selection switches may require that you recalibrate the programming circuit to maintain programming accuracy See Section 5 Calibration 3 Any of the eight swit...

Page 78: ...o 3 SW1 set 2 closed 4 open J2 jumper 1 to 3 and 2 to 3 SW1 set 2 closed J2 jumper 1 to 3 and 2 to 3 SW1 default settings J2 jumper 1 to 3 0 5 k Resistor SW1 set 1 closed 3 and 4 open J2 jumper 1 to 3 and 2 to 3 SW1 set 1 closed 3 open J2 jumper 1 to 3 and 2 to 3 SW1 set 1 and 2 closed 3 and 4 open J2 jumper 1 to 3 and 2 to 3 SW1 set 1 and 2 closed 3 open J2 jumper 1 to 3 and 2 to 3 SW1 set 3 open...

Page 79: ...Remote Operation Remote Analog Programming of Output Voltage and Current Limit Release 2 1 77 Figure 4 1 Connecting Programming Sources to J2 Connector ...

Page 80: ...4 3 for the required J2 connections and switch settings for remote monitoring of readback signals with 0 5 Vdc or 0 10 Vdc outputs Use shielded pair wiring 20 to 24 AWG and ground the shield to J10 sense connector terminal 1 return sense or to the chassis Table 4 3 Power Supply Settings for Remote Monitoring of Readback Signals Note Check the readback accuracy any time you reset switches SW1 5 and...

Page 81: ... following equipment when calibrating your power supply 5 1 2 digit true RMS voltmeters DVMs 0 05 accuracy with test leads Current shunt 1 mV A 0 25 and connecting wire The recommended current ratings for the DC shunt and connecting wire must be at least 10 greater than the power supply s output current rating Please see Table 2 4 Current Carrying Capacity for Load Wiring on page 45 Non conducting...

Page 82: ...to locate the potentiometers WARNING Disconnect AC power from the unit before removing the cover Even when the front panel power switch is in the OFF position live line voltages are exposed when the cover is removed Repairs and adjustments must be made by experienced service technicians only WARNING Use a non conducting straight blade screwdriver to adjust the trim pots CAUTION Follow established ...

Page 83: ...ers Tool Required Phillips 2 screwdriver 1 Turn OFF the power supply Disconnect AC Power Remove the cover 2 Remove 4 screws from their standoffs inside the power supply to release the option card 3 Remove 2 screws at the rear panel to release the option card s sub plate 4 Unplug the ribbon cable connectors from the option card Lift out card Figure 5 1 Programming and Monitoring Calibration Locatio...

Page 84: ... steps in the sequence given Voltage Programming Circuit Calibration 1 Ensure that the power supply is turned OFF Disconnect any load 2 Connect the program source between J2 connector terminals 6 output voltage program input and 5 voltage program signal return 3 Connect the DVM across the power supply output 4 Turn the power supply ON 5 Apply 1 of program voltage 6 Adjust the voltage program offse...

Page 85: ...r supply ON 5 Apply 1 of program voltage 6 Adjust the current limit program offset R469 until the shunt DVM indicates 1 of the model rated output current See Note 7 Apply 100 of program voltage 8 Adjust the current limit program range R459 until the shunt DVM indicates the model rated output current See Note Repeat this procedure until output levels are adjusted to power supply specifications see ...

Page 86: ...t 0 5 V output voltage monitor range CLOSED for 0 10 V 3 Connect a DVM across the power supply output to read the output voltage Connect a second DVM between the rear panel J2 connector terminals 10 output voltage monitor and 9 voltage monitor signal return 4 Turn the power supply ON 5 Set the power supply output voltage to 1 of the model rated output 6 Adjust the output voltage monitor offset R39...

Page 87: ... 5 Set the power supply s output current to 1 of the model rated output See Note 6 Adjust the output current monitor offset R394 until the monitor DVM indicates 1 of the readback scale 50 mVdc for 0 5 V readback or 100 mVdc for 0 10 Vdc readback 7 Set the power supply output current to the model rated output 8 Adjust the output current monitor range R383 until the monitor DVM indicates 100 of the ...

Page 88: ...Calibration Calibrating for Readback Accuracy 86 Operating Manual for XFR 2 8kW Series Power Supply ...

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