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                                                                                                      WY Series

 User

s Manual 

 

Copyright 

©

 EVERFINE, Copy or spread without authorization is prohibited.

 

20

Sheet 1 Command Word

 

Command Word 

Meaning 

U

55H

 

CV working state 

I

49H

 

CC working state 

              F    (46H) 

Error 

G

47H

 

transferring data to PC 

R

52H

 

reset 

S

73H

 

Set protection voltage 

O

6F H

 

Source output   

N

6E H

 

Source output none 

A

41H

 

Read the source abnormity 

The transferred data comprises 14-byte ASCII codes. The numbers 0

9 can be 

expressed  as  ASCII  codes  30H

39H.  For example, 8  can  be  expressed as  38H,  the 

decimal point is expressed as 2EH, V is expressed as 56H, and A is expressed as 41H. 

For  example,  if  the  transferred  measurement  results  are  30H,  2EH,  31H,  32H,  33H, 

34H,  56H,  35H,  2EH,  36H,  37H,  38H,  39H,  30H,  41H,  the  result  should  be 

0.1234V5.67890A. 

Examples:

               

 

Received 

data 

Working state of the instrument 

U

5.0000

1.02500/ 

The  instrument  enters  into  CV  working  state.  The  voltage  is  5V  and  the  limit 

value  for  current  is  1.025A.  Then  the  instrument  will  transfer  the  16-digit 

measurement  result  to  PC.  The  received  data  is  set  mistakenly  so  that  the 

instrument  can

t  reach  CV  state  after  self-adjustment.  Then,  it  will  transfer 

F(46H)

 to PC. 

I

21.0200

3.00000/ 

The  instrument  enters  into  CC  working  state.  The  current  is  3A  and  the  limit 

value  for  voltage  is  21.02V.  Then  the  instrument  will  transfer  the  16-digit 

measurement  result  to  PC.  The  received  data  is  set  mistakenly  so  that  the 

instrument  can

t  reach  CC  state  after  self-adjustment.  Then,  it  will  transfer 

Summary of Contents for WY Series

Page 1: ...Y5015 EVERFINE PHOTO E INFO CO LTD ADD Bldg 1 669 Binkang Rd Binjiang Hi Tech Zone Hangzhou 310053 China Tel 86 571 86698333 Fax 86 571 86696433 E mail Sales everfine cn Service everfine cn http www e...

Page 2: ...formance and functions of its products therefore the contents of this manual may be changed without prior notice l Great effort has been made in preparation of this manual to ensure the accuracy of it...

Page 3: ...ting the whole or part contents of this manual by any company or personnel without the written permission of EVERFINE is prohibited Otherwise it will be treated as infringement and the infringer will...

Page 4: ...age it 6 To ensure good air ventilation and heat dispersion capability please don t block the vent holes in the rear panel and do not cover the instrument 7 When the remote sampling function is not us...

Page 5: ...t current power supply preset the Protect Voltage value then set a proper value of voltage and current press the output button to export power and then rotate the adjusting knob for voltage and curren...

Page 6: ...3 Specifications 8 3 1 Main specifications 8 Chapter 4 Panel Instructions 11 4 1 Front Panel 11 4 2 Rear Panel 15 Chapter 5 Operation Procedures 16 5 1 Preparations 16 5 2 Turn the power on 16 5 3 Adj...

Page 7: ...and so on The power supply has the following characteristics 1 Adopt numerical control NC adjustment with three adjusting levels COARE MIDDLE and FINE which has good reliability convenient adjustment...

Page 8: ...ltage CV automatically with relevant indicator so as to get high reliability When the instrument works in the CONSTANT VOLTAGE state the Error Correction Network receives and amplifies the error signa...

Page 9: ...tate 0 01 rdg 30mins preheat 10mins after arriving in full range state 7 Range of voltmeter 5V 10V 25V 50V WY605 5V 10V 25V 60V 8 Voltmeter resolution 0 0001V 0 0000V 50 0000V 9 Voltmeter accuracy Cla...

Page 10: ...5015 CV voltage ripple Vrms 0 5mV 0 5mV 0 5mV 1 5mV CC current ripple Irms 0 5mA 0 5mA 1 5mA 3 0mA Ammeter measuring range 0 5A 1A 2 5A 5A 0 5A 1A 2 5A 5A 1A 2A 5A 10A 1 5A 3A 7 5A 15A Max output powe...

Page 11: ...ve humidity 55 20 3 Power supply 220V 22V 4 Frequency 50Hz 60Hz 5 No mechanical vibration and electromagnetic to interfere with the test results 6 Dimension and weight as shown in Table 2 Table 2 Dime...

Page 12: ...G indicator lights otherwise it displays the measured value The window will display oV oT RVSF1 RVSF2 or MIX to show the abnormal situations of over voltage over temperature sampling voltage lower tha...

Page 13: ...t value is 5V When the voltage value exceeds the limit value the buzzer will give an alarm to prompt user to rotate the adjusting knob in reverse direction 9 Selection keys for adjusting level COARSE...

Page 14: ...the key again to complete the setup Press OUTPUT key to display the setting voltage and current value 13 OUTPUT Press the key to output voltage with the indicator OUTPUT lighting 14 RESET When the ind...

Page 15: ...Window displays RVSF1 the instrument will give RVSF1 alarm as the sampled voltage is less than 2V please check the connection For instance in exterior sampling state reverses the polarity of the four...

Page 16: ...4 2 Rear Panel of WY305 Fig 4 3 Rear Panel of WY605 WY3010 WY5015 1 Fan 2 Fuse holder 3 Power socket 4 Grounding terminal 5 output terminal of power supply red 6 output terminal of power supply black...

Page 17: ...0V and 50V respectively If needs to change firstly set the protection voltage according to the load characteristics If the load is damaged when the voltage exceeds 10V press DISPLAY OVP key to make th...

Page 18: ...e limited voltage value by turning the adjusting knob for voltage clockwise the instrument will turn into the constant current state simultaneously the indicator CV goes out and the indicator for CC l...

Page 19: ...onnections for remote sampling 5 4 Switch load 1 Before cutting off the load cut off the source output and make sure there is no voltage between the load 2 Remove the previous load and install the new...

Page 20: ...communication method a frame of 11bits the 0st is the start bit the following 8 bits are the data bits the 9th is the programmable bit and the last one is the stop bit The baud rate is 2400Bps The add...

Page 21: ...ment results are 30H 2EH 31H 32H 33H 34H 56H 35H 2EH 36H 37H 38H 39H 30H 41H the result should be 0 1234V5 67890A Examples Received data Working state of the instrument U 5 0000 1 02500 The instrument...

Page 22: ...1 F 46H to PC G Transfers the 16 digit measurement result to PC R Enters into reset state s 5 0000 Instrument s protection voltage is 5V o output voltage n no output A Transfers 5 abnormalities to PC...

Page 23: ...WY Series User s Manual Copyright EVERFINE Copy or spread without authorization is prohibited 22 Fig 6 1 Serial flow chart...

Page 24: ...t current measurement 0 1 standard impedance should be adopted if the output current is less than 2 5A while a 0 01 standard impedance is recommended if the output current is over 2 5A l Load the load...

Page 25: ...of output current Wiring as shown in Figure 7 2 the instrument works in the constant current state CC indicator lights up adjusted the output current to the test points within the limited range of DC...

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