Tektronix PS280 - Manual

Table of Contents:

• Page 3 – WARRANTY
• Page 5 – Table of Contents
• Page 6 – ii; List of Figures
• Page 7 – General Safety Summary; Injury Precautions
• Page 8 – Product Damage Precautions; To prevent product overheating, provide proper ventilation.; Safety Terms and Symbols; These terms may appear in this manual:
• Page 9 – Terms on the Product; These terms may appear on the product:; Symbols on the Product; The following symbols may appear on the product:; Certifications and Compliances; CSA Certified Power Cords
• Page 11 – Getting Started; Front panel switches select one of three modes of operation:
• Page 12 – Preparing the Power Supply for Use; Figure 1: Line Voltage Selectors, Power Input, and Fuse Locations; To prevent damage to the instrument, set the line voltage; Set the line voltage selectors to the input line voltage. These; between the supply conductors or; Check that the correct line fuse is installed. The line fuse
• Page 13 – Connect the input power cord. Use only the power cords specified
• Page 14 – Front Panel
• Page 16 – Output Terminals. These terminals for the left, variable power; supply allow you to plug in the test leads as follows:; VOLTAGE Knob. Allows you to set the output voltage for the
• Page 17 – Output Terminals. These terminals for the right, variable power; VOLTAGE Knob. Allows you to set the output voltage for the; The overload indicator lights when the current on the 5 V FIXED; power supply becomes too large.
• Page 18 – Turning On the Instrument; To avoid damaging the PS280 or PS283, do not use it; Ensure that the POWER button is disengaged (out) and that the; instrument is turned off.; Plug the power cord into an appropriate power source.
• Page 19 – Reference; Constant Voltage/Constant Current Crossover
• Page 20 – Figure 3: Constant Voltage/Constant Current Crossover; Setting the Current Limit; In order to avoid damaging your device with a current; Determine the maximum safe current for the device to be; output terminals of the power supply together.
• Page 21 – Rotate the VOLTAGE knob away from zero sufficiently to light; current limit. Do not increase the current control setting.; Remove the short between the positive and negative output; You are now ready to power your device.; Test Modes; Independent Modes
• Page 22 – Figure 4: Independent Floating Application
• Page 23 – Plug one of the test leads into the positive output terminal.; shows either voltage or current, as you want.
• Page 24 – Figure 5: Independent Common Ground-Referenced Application; V when the output is –5 V; Connect the outputs as shown in Figure 5.
• Page 25 – Figure 6: Independent Ground-Referenced Split Application
• Page 26 – Figure 7: Three Ground-Referenced Negative Power Supplies
• Page 27 – Figure 8: Three Ground-Referenced Positive Power Supplies; In the independently stacked mode, the variable power
• Page 28 – Figure 9: Independent Positive Stacked Application; is the sum of both voltage readings.
• Page 29 – Figure 10: Independent Negative Stacked Application
• Page 30 – Tracking Modes; In series mode, the positive output terminal of the master; To test a circuit in the series tracking mode, follow these steps:
• Page 31 – Connect the outputs as shown in Figure 12.; Figure 12: Series Tracking Application; NOTE; Set the slave CURRENT knob fully clockwise.
• Page 32 – Adjust the output voltage to the desired level using the master; voltages if necessary.
• Page 33 – Figure 13: Parallel Tracking Inside the PS280 or PS283; To test a circuit in the parallel tracking mode, follow these steps:; Connect the outputs as shown in Figure 14 on page 24.; both tracking buttons.; Set the master AMPS/VOLTS switch to the voltage metering; Set the current limit using the master CURRENT knob. (Refer to
• Page 34 – Figure 14: Parallel Tracking Application; positive master terminal.
• Page 35 – Appendix A: Specifications
• Page 36 – Characteristic
• Page 37 – Table 4: Electrical Characteristics
• Page 39 – Appendix B: Maintenance; Cleaning; Do not use abrasive cleaners on any portion of the power supply.; Preparing for Shipment; Use a corrugated cardboard shipping carton having inside; dampness and loose packing material.; Place the instrument into the box and firmly stabilize it with
• Page 40 – Troubleshooting; Check the output terminals with a voltmeter.
• Page 41 – Verify that the line settings on the rear panel match the line; The power switch is on. A variable output power supply is; Yes; Check the circuit you have been testing for a short or low
• Page 43 – Appendix C: Replaceable Parts; Standard Accessories; Optional Accessories; The following items are available as optional accessories:
• Page 44 – Table 8: Accessory Power Cords