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Summary of Contents for Kenwood PWR18-2
- Page 1 R E G U L A T E D DC POWER S U P P L Y PWR18-2 PWR36-1 INSTRUCTION MANUAL (Part of Power Supply Function) KENWOOD CORPORATION ©PRINTED IK P A N B63-0028-Q0(T) 91/12 1110 9 8 7 6 5 4 3 2 1...
- Page 2 WARNING: This equipment may generate or use radio frequency energy. Changes or modifications to this equipment cause harmful interference unless the modifications are expressly approved in the instruction manual. The user could lose the authority to operate this equipment if an unauthorized change or modification is made.
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Page 3: Table Of Contents
CONTENTS 1. OUTLINE 1 . Outline The P W R series C V / C C power supply units are the first in their 2. Features class with built-in microcomputers, making their multi- 3. Specifications functional capabilities second to none in the market. Their dual 4 . -
Page 4: Features
2. FEATURES supplies are turned off, the current values are saved to the Dual tracking function mode: Enables output voltage and . back-up memory. There is no need for the user to enter data current (negative and positive) to be changed at the same each time w h e n the s y s t e m is turned on. -
Page 5: Specifications
3. SPECIFICATIONS PWR18-2 - OUTPUT V O L T A G E 0 to + 1 8 V / - 1 8 V 0 to + 3 6 V / - 3 6 V Output voltage Setting resolution 10 m V... - Page 6 PWR18-2 PWR36-1 2.8 m V p-p Ripple peak (p-p) 5 0 fis typical Transient response 1 0 0 p p m / ° C typical Temperature coefficient C O N S T A N T C U R R E N T C H A R A C T E R I S T I C S 2 m A typical Input fluctuation (for surge of A C ±...
- Page 7 PWR18-2 PWR36-1 F U N C T I O N S ON/OFF s w i t c h . However, output cannot be ON w h e n M E M O R Y ON. Output O N / O F F Red L E D lights up w h e n ON.
- Page 8 PWR18-2 PWR36-1 O P E R A T I O N C O N D I T I O N S 0 to 4 0 ° C , 1 0 - 8 5 % RH Rated temperature/humidity range 0 to 4 0 ° C , 1 0 - 8 5 % RH Operation temperature/humidity range - 2 0 to 6 5 °...
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Page 9: Precautions For Use
4. PRECAUTIONS FOR USE negative terminals with each other. If a short is made, use Keep in mind the following w h e n reading this manual: the machine after setting the output voltage to rather a low T h e manual covers both t h e P W R 1 8 - 2 and P W R 3 6 - I level. - Page 10 In the case of normal switch-on w h e n the backup condenser (Display data of the after power is supplied) is charging the voltage and currents displayed will all be " 0 " (See Figure 1-a). T h e n , after 5 s e c o n d s , normal operation will begin.
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Page 11: Panel Explanation
5. PANEL EXPLANATION 5-1 Front Panel © POWER ON _ - l / OFF J L Switch This is the power s w i t c h . T h e power is turned on w h e n this s w i t c h is pressed. - Page 12 © V-Key / V-LED (Green) This key sets the output voltage value and the L E D lights to indicate w h e n the output voltage value can be set. Press this key to set the output voltage value. T h e V - L E D lights w h e n this key is pressed and the output voltage that is indicated on the voltmeter ©...
- Page 13 tracking status is canceled. T h e setting value remains at the warning. same value a s w h e n the tracking is performed and is not The L E D goes off w h e n the + 1 8 V key is pressed again. reset to the original value.
- Page 14 standby mode w h e n the setting values in the P R E S E T key © are recorded. If this key is pressed w h e n the O U T P U T key © is set O F F , the M E M O R Y L E D lights to indicate that the preset opera- tion c a n be'-performed.
- Page 15 © K E Y LOCK Switch / K E Y LOCK LED (Red) T h e setting conditions can be stored (only w h e n L O C A L Key / L O C A L LED (Green/Orange) M E M O R Y L E D ©...
- Page 16 @ Output Terminal ( - 1 T h i s terminal is used to output negative voltage and cur- rent for the C O M terminal. T h i s terminal is floating from the c a s e . @ COIWS Terminal T h i s is a common terminal w h i c h is used for both positive and negative voltage and current output.
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Page 17: Rear Panel
5-2 Rear panel © Power Input Connector T h e A C current is input by this connector. A l w a y s use the accessory power cord for connection to this terminal. © Heat Sink T h i s is a radiator for the transistors. Be careful not to touch it as it can be extremely hot from dissipating the heat from the components. -
Page 18: Operation Procedures
6. OPERATION PROCEDURE The following are the initial settings w h e n the unit is powered Make sure that the power source provides the rated vol- for the first time after purchase (or after it has not been used tage, before connecting the power cord (attached to the for a long period of time.) unit) to the power input connecter w h i c h is installed on... - Page 19 ' mode) and the Rotary Encoder knob is rotated slow- Note 2 ly, the voltage, current, and delay time settings will Upon turning on the power s w i t c h , if the V A R I A B L E K E Y ® change by the s a m e increments as for the "...
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Page 20: Power Supply
6-1 Using as a positive {+} stabilized power supply 6-2 Using as a negative ( - ) output as the stabilized power supply Fig. 7 Fig. 8 1) S e t the L E D s as s h o w n in the Figure 7. (Make sure that the 1) Set the L E D s as s h o w n in the Figure 8. -
Page 21: Tracking Power Supply Procedures
6-3 Tracking Power Supply Procedure Note that the current limiter may sometimes deviate several digits from the specified current limit value. If the current limiter is used within the smaller range of error, connect each output pin to the ground level and place the s y s t e m in the overload s t a t u s , and then use this products after setting a desired current limiter value. - Page 22 •6-4 PRESET feature The unit is tracking while the T R A C K I N G L E D © is lit. T h e P R E S E T feature is used to store the actually value The absolute value of both set voltage value and set cur- setting (displayed value) in one of the P R E S E T ( 1 , 2 , 3) rent limit value are identical, for both positive and nega-...
- Page 23 6-5 OUTPUT PROTECT Feature Perform the same procedure to store an arbitrary setting value in each of the other P R E S E T K E Y s . The unit is equipped with the V A R I A B L E K E Y and P R E S E T K E Y s (1,2,3) to change and set an output value.
- Page 24 (1) Perform the following procedure to make sure the OUT- Make sure not to turn on the O U T P U T K E Y immediately P U T P R O T E C T feature operates correctly. after the O U T P U T P R O T E C T feature is started up.
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Page 25: Rotary Encoder Lock Procedures
6-7 Rotary Encoder lock procedures 6-6 KEY LOCK feature If the selected V K E Y (or A K E Y ) is pressed, the corresponding T h i s feature is used to prevent the setting value of each func- L E D goes off. -
Page 26: Application
7. APPLICATIONS Serial Output Usage for homopolar double output Usage for serial output Usage for complimentary output I L + I : 2 A M a x . ( P W R I 8 - 2 ) , M a x . ( P W R 3 6 - l ) -
Page 27: Maintenance
8. MAINTENANCE 8-1 Removing the Case .8-2 Changing the. Power Voltage . T o remove the c a s e of the unit, remove the s c r e w s on the top T o change the rated input voltage, change the rated values of and sides of the unit and lift the case upwards. -
Page 28: Replacing The Fuse
. Table (Rated fuses) 2 2 0 V 2 4 0 V Model 100V 120V . 1.5A PWR18-2 2 A (TL) 2 A (TL) 1.5A • 2 A (TL) 2 A (TL) 1.5A 1.5A... -
Page 29: Trouble Shooting
9. TROUBLE SHOOTING Trouble C h e c k point Cause — T h e power cord is not connect- None of the L E D s light up within 5 ed or is broken. T h e unit cannot be turned on. minutes after the power turned ON. -
Page 30: External Dimensions Figure
1 0 . E X T E R N A L DIMENSIONS F I G U R E Fig. 19 Fig. 18... - Page 31 Fig. 20 Fig. 21 Dimentlons of the P W R 3 6 - 1 are Identical.
- Page 32 A product of KENWOOD C O R P O R A T E 17-5, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, J«*...