Tenma 72-7675 Quick Start Manual
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Tenma 72-7675 Quick Start Manual

Tenma 72-7675 Quick Start Manual

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Table of Contents

Contents
1. SAFETY TERMS AND SYMBOLS ......................................1
2. INSTALLATION.....................................................................2
3. OPERATION...........................................................................5
4. PANEL DESCRIPTION .......................................................10
5. CIRCUIT PRINCIPLE.........................................................13
6. BLOCK DIAGRAM .............................................................14
7. SPECIFICATIONS ...............................................................15
8. MAINTENANCE ..................................................................17
72-7675
1. SAFETY TERMS AND SYMBOLS
These terms may appear in this manual or on the product
WARNING
： ： ： ：
W arning statements identify condition or
practices that could result in injury or loss of life.
Caution
： ： ： ：
C aution statements identify conditions or
practices that could result in damage to this product or
other property.
The following symbol may appear in this manual or on the
product
： ： ： ：
Attention refer to Manual.
1
72-7675
： ： ： ：

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Summary of Contents for Tenma 72-7675

  • Page 1: Table Of Contents

    72-7675 72-7675 1. SAFETY TERMS AND SYMBOLS Contents 1. SAFETY TERMS AND SYMBOLS ........1 ： ： ： ： These terms may appear in this manual or on the product 2. INSTALLATION..............2 WARNING ： ： ： ： W arning statements identify condition or 3.

  • Page 2: Installation

    1) Before installation, please make sure the AC input voltage is Voltage correct. 150/300 The AC input voltage of 72-7675 is either 115V or 230V, which 120/240 can be selected. The select switch is located on the rear panel. 100/200...

  • Page 3: Operation

    72-7675 72-7675 The size of input wire and output wire. 3. OPERATION Input Wire Size Voltage Setting: Model Output Wire Size 115V 230V Voltage setting contents “110V”, “220V”, “ ▲ ” and “ ▼ ” four 72-7675 AWG#14 0.75mm AWG#18 keys.
  • Page 4 Alarm Reset: Press the key of “RANGE”, if the indicator lights, the output If an over current event occurs, the 72-7675 will shut down and voltage would be setting on the high voltage range, otherwise, the buzz immediately. You must press “ALARM RESET” to clear. In system would be setting on low voltage range.
  • Page 5 72-7675 72-7675 Memory Function: The 72-7675 is equipped with EEPROM, the latest setting will be memorized after the unit is turned off. When the unit is turned on again, the latest setting will be displayed. Save/Recall Function: Press the key of “S/R”, if the indicator of SAVE/RECALL doesn’t light.

  • Page 6: Panel Description

    72-7675 72-7675 4. PANEL DESCRIPTION (10) High/Low Range Indicator of Output Voltage If this indicator lights, the output voltage is in the range 0~300V. (1) “ALARM RESET” Key If this Indicator does not light, the output voltage is in the range Reset key to cease the buzz and reset the output.

  • Page 7: Circuit Principle

    This power supply is controlled by CPU and operated via (20) Power Switch keyboard. The unit is fully digital controlled. To turn on /off 72-7675. The input isolation transformer has been applied to isolate the city (25) “COARSE” Key power and step down the input voltage for appropriate applications.

  • Page 8: Block Diagram

    Amplifier Control Low voltage range: 0.0 ~ 150Vac Output Capacity High voltage range: 0.0 ~ 300Vac Sine wave Synthesizer Output Power 500VA(72-7675); Maximum Frequency 72-7675: 4.2A(0~150V), 2.1A(0~300V) Control Current Line Voltage Output ±0.1% Regulation Transformer Load Regulation ±(0.5%+0.1V) Frequency Protection...

  • Page 9: Maintenance

    72-7675 72-7675 8. MAINTENANCE Specification Description Measuring Range: 0.0~360W(<2A) 320~3500W Cleaning Resolution: 0.1W Wattage Meter Use a soft cloth moistened with a small amount of water or mild Accuracy ： ± 1.5% rdg+5digits detergent, Do not spray cleaner directly onto the instrument as it may ±1.5% rdg+20digits(...

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