Bk-precision 1737 - Manual User Manual

Model 1737 Dual Range DC Power Supply INSTRUCTION MANUAL

8 4 Operating Instructions Safety Precautions Use only a polarized 3-wire AC outlet. This assures that the power supply chassis, case, and ground te

9 4.1 Instrument Hook-Up 1. Turn off the power supply and the equipment to be powered during hook-up. 2. Connect the positive polarity of the devic

10 Figure 3 (A and B) - Grounding Possibilities Figure 3 (C and D) - Grounding Possibilities

11 4.2 Typical Constant Voltage Operation 1. Before connecting the device to be powered to the power supply, determine the maximum safe load current

12 4.3 Setting Current Limit 1. Determine the maximum safe current for the device to be powered. 2. Temporarily short the (+) and (-) terminals of

13 4.4 Typical Constant Current Operation 1. Before connecting the device to be powered to the power supply, determine the maximum safe voltage to b

14 4.5 Constant Voltage/Constant Current Characteristic The working characteristic of this power supply is called a constant voltage/constant current

15 4.6 Saving the Power Supply’s Current State The current state of the power supply is saved after 2 seconds from the last adjustment or after the “

16 4.8 Connecting Two Power Supplies in Parallel Two power supplies may be connected in parallel to double the maximum load current. In this configur

17 If the current equalizing resistors are not well matched, it is preferable that the voltages be slightly unbalanced to achieve current balance. Be

18 5.1 RS232 Configuration Overview Baud Rate 9600 bps Parity Bits none Data Bits 8 Start Bits 1 Stop Bits 1 Flow Control Xon / Xoff Terminatio

19 3. SAVE<CR> The programmed values of the output current and voltage are saved. If the power supply is restarted, the values of the output cur

20 6 Maintenance WARNING The following instructions are for use by qualified personnel only. To avoid electrical shock, do not perform any servicing

21 6.3 Calibration Calibration is a procedure that ensures that the power supply will work properly, with parameters specified within the Specificati

22 1. Turn on the power supply in calibrating mode a) Turn off the power supply. Disconnect the power cord and all loads connected to the power sup

23 2. Zero voltage calibration a) Turn the current coarse knob to select “U 0” for zero voltage calibration and turn the voltage coarse knob. Th

24 A hexadecimal number between 0 and FFFFh will be shown on the current display. During the zero voltage calibration, the CV LED is lit. b) Connect

25 A hexadecimal number between 0 and FFFFh is shown on the current display. c) Use the current coarse and fine knobs to adjust the value displayed

26 A hexadecimal number between 0 and FFFFh is shown on the current display. c) Use the current coarse and fine knobs to adjust the value displayed

27 7 Error Messages The following types of errors may occur: • Self-test errors • Calibration errors • Command errors The first two types of err

1 1 Safety Summary The following safety precautions apply to both operating and maintenance personnel and must be observed during all phases of oper

28 Full voltage calibration errors: Er 30: CC not high Er 31: CV not low Er 32: DAC out of range Er 33: ADC out of range Er 34: ADC system calibration

29 8 Specifications 1737 Output Ratings ( 0 °C~40 °C) Voltage 0-60 V Current 0-3 A (0-30 V), 0-2 A (30-60 V) Load Regulation ±(% of output+offset)

30 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)

31 9 Service Information Warranty Service: Please go to the support and service section on our website at www.bkprecision.com to obtain an RMA #. Re

32 10 Limited Two-Year Warranty B&K Precision Corp. warrants to the original purchaser that its products and the component parts thereof will

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Printed in Taiwan v063011 22820 Savi Ranch P

2 WARNINGS AND CAUTIONS WARNING and CAUTION statements, such as the following examples, denote a hazard and appear throughout this manual. Follow all

3 Compliance Statements Disposal of Old Electrical & Electronic Equipment (Applicable in the European Union and other European countries with sepa

4 Contents 1 Safety Summary ... 1 2 Introduction ...

5 2 Introduction Description The B&K Precision model 1737 is a general purpose dual range DC power source. This power supply can output more vol

6 3 Quick Reference 3.1 Front Panel Figure 1 - Front Panel INDICATORS Either the CV or CC LED indicators will be lit whenever the unit is operati

7 CURRENT CONTROL 7) Current Coarse Control. Coarse adjustment of current limit. Read value on the red LED display. 8) Current Fine Control. Fine ad