BK Precision 1737 Instruction Manual Download

Page: 31 / 31

Storage Humidity

85% R.H.

Mechanical Specifications

Weight

10.5 lbs (4.8 kg)

Dimensions (W x H x D)

5.5” x 6.2” x 12.5"

(140 x 158 x 318 mm)

Supplied Accessories

Power cord, instruction manual,

RS-232 cable, shorting bar

NOTE:

All specifications apply to the unit after a temperature stabilization time of 30

minutes. Specifications and information are subject to change without notice.

Summary of Contents for 1737

Page 1: ...Model 1737 Dual Range DC Power Supply INSTRUCTION MANUAL 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com...

Page 2: ...NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE Do not operate the instrument in the presence of flammable gases or fumes Operation of any electrical instrument in such an environment constitutes a definite s...

Page 3: ...ARNING To avoid electrical shock hazard disconnect power cord before removing covers Refer servicing to qualified personnel CAUTION Before connecting the line cord to the AC mains check the rear panel...

Page 4: ...of the European Parliament and the Council of the European Union on waste electrical and electronic equipment WEEE and in jurisdictions adopting that Directive is marked as being put on the market af...

Page 5: ...Saving the Power Supply s Current State 15 4 7 Connecting Two Power Supplies in Series 15 4 8 Connecting Two Power Supplies in Parallel 16 5 Remote Operation 17 5 1 RS232 Configuration Overview 18 5 2...

Page 6: ...ics Its mechanical configuration conserves bench space and allows for easy portability Additionally the power supply can be operated locally from the front panel or remotely through the RS 232 interfa...

Page 7: ...ge at the value set by voltage controls 2 CC Constant Current Indicator The red LED is lit in constant current mode Unit regulates output current at the value set by current controls 3 Green LED Displ...

Page 8: ...ent of current limit Read value on the red LED display POWER CONTROLS 9 Power ON OFF Switch OUTPUT TERMINALS 10 Terminal Black Negative polarity output terminal 11 GND Terminal Earth and chassis groun...

Page 9: ...ions Never float the power supply to a potential greater than 100 volts peak with respect to earth ground Equipment Precautions Avoid using the power supply in ambient temperatures above 40 C Always a...

Page 10: ...o the green terminal as shown in Figure 3B c If an earth ground reference is not required the configuration of Figure 3C may be used The scheme in Figure 3C should also be used where it is not known w...

Page 11: ...10 Figure 3 A and B Grounding Possibilities Figure 3 C and D Grounding Possibilities...

Page 12: ...wer supply and connect it to the device to be powered see Instrument Hook Up procedure in this section 4 Turn on the power switch The CV indicator should light 5 Increase the voltage setting until the...

Page 13: ...st lead 3 Adjust the coarse and fine current control for the desired current limit Read the current value on the current LED display 4 The current limit overload protection has now been preset Do not...

Page 14: ...ed 5 Turn on the power supply The CC indicator should light 6 Increase the coarse and fine current control setting until the desired constant current value is read on the display or set the current li...

Page 15: ...ant and the output voltage drops in proportion to further decreases in load The crossover point is indicated by the front panel LED indicators The crossover point is reached when the CV indicator goes...

Page 16: ...A or 120 V 2 A See Figure 8 for the connection scheme When connected in series the voltage controls of each power supply exercise control over a 0 60 V range Add the LED display readings together or c...

Page 17: ...e if current is temporarily unbalanced during set up When connected in parallel and operating in the constant voltage mode determine the total load current limit and preset the current limiting for ea...

Page 18: ...5 Remote Operation The power supply can be connected to the RS232 interface using the 9 pin DB 9 serial connector on the rear panel The 1737 uses a null modem RS232 cable The cable pin diagram for the...

Page 19: ...CR This command sets the output voltage value The output voltage takes the programmed value only if the power supply is in Constant Voltage mode Example The output voltage is set at 5 V VOLT 05 00 CR...

Page 20: ...put terminals of the power supply x xxxA CR The current value returned is the same as the one displayed on the current display 6 STAT CR The power supply responds to this command with one of the follo...

Page 21: ...Voltage Fuse Type 120 Vac 10 50 60 Hz 2 5A Slow Blow 220 Vac 10 50 60 Hz 1 25A Slow Blow Table 2 Fuse Values Line Voltage Conversion International Units The primary winding of the power transformer is...

Page 22: ...nd turn it on Let the power supply be turned on for 1 hour with no loads connected before you start the calibration procedure Calibration ambient temperature must be 25 C Ambient relative humidity mus...

Page 23: ...Current display U 0 You can browse the calibration menu by turning the current coarse knob Using the voltage coarse knob you can select one of the following calibration procedures U 0 Zero voltage ca...

Page 24: ...knobs to adjust the value displayed by the power supply until the voltmeter indicates the closest value to 0 V d Turn the voltage coarse knob to finish the calibration While performing the zero voltag...

Page 25: ...current display for 1 sec Then the power supply returns to the Calibration menu 4 Zero current calibration a Select I 0 for zero current calibration and turn the voltage coarse knob When you initiate...

Page 26: ...ust select the full current calibration option after the zero current calibration a Select I F for full current calibration and turn the voltage coarse knob When you initiate the full current calibrat...

Page 27: ...ration menu a After turning off the power supply disconnect the power cord b Remove power supply s cover c Remove the calibration jumper d Reassemble the power supply e Connect the power cord f When t...

Page 28: ...2 CV not high Er 03 CV not low Er 04 CC not high Er 05 CC not low Er 06 ADC does not respond Er 07 ADC not ready Er 08 No reference voltage Er 09 ADC conversion error Er 10 ADC AVdd 3 0V Er 11 ADC AVd...

Page 29: ...ration failed Er 45 DAC zero current constant checksum failed Er 46 ADC zero current constant checksum failed Full current calibration errors Er 50 CC not low Er 51 CV not high Er 52 DAC out of range...

Page 30: ...Hz Voltage 1 mVrms Current 3 mArms Recovery Time 100 s Meter Resolution Voltage 10 mV Current 1 mA Metering Accuracy Voltage 0 5 9 digits Current 0 5 9 digits General Power Requirements 120 220 VAC 10...

Page 31: ...W x H x D 5 5 x 6 2 x 12 5 140 x 158 x 318 mm Supplied Accessories Power cord instruction manual RS 232 cable shorting bar NOTE All specifications apply to the unit after a temperature stabilization...

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BK Precision 1737, Instruction Manual

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