Ian Johnston Engineering PDVS2 Скачать руководство пользователя страница 2

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INDEX

FUNCTIONS & FEATURES

SPECIFICATION SUMMARY

OPERATION OF INSTRUMENT

MAIN

PLAYBACK MODE

RAMP MODE

COMMS ON/OFF

2V/10V MODE

SETTINGS

CALIBRATION

BACKLIGHT ON/OFF

FIRMWARE UPGRADES

PDVS2 WINDOWS APPLICATION

HARDWARE

FREQUENTLY ASKED QUESTIONS

PRODUCT DISCLAIMER & WARRANTY

CALIBRATION RECORD

Содержание PDVS2

Страница 1: ...CE Model PDVS2 A multitude of uses as a calibrator reference and fully adjustable precision voltage source Handmade in Great Britain by Ian Johnston Manual Version 1 2 27 04 17 Ian Johnston Engineerin...

Страница 2: ...NSTRUMENT 3 MAIN 4 PLAYBACK MODE 5 RAMP MODE 6 COMMS ON OFF 7 2V 10V MODE 8 SETTINGS 9 CALIBRATION 10 BACKLIGHT ON OFF 11 FIRMWARE UPGRADES 12 PDVS2 WINDOWS APPLICATION 13 HARDWARE 14 FREQUENTLY ASKED...

Страница 3: ...uality 4mm banana sockets Calibration Settings test record supplied unique serial number Software function PLAYBACK mode Software function RAMP mode Software function Remote Operation via Windows app...

Страница 4: ...supplied cable Red Blk The battery terminals and the external DC input are reverse polarity protected Use only matched charged state batteries i e don t fit two batteries that are not charged to the...

Страница 5: ...ary encoder to select the digit to be modified which is noted by the underscore below the digit Output Protection The voltage monitor detects when the output has been overloaded or subject to a short...

Страница 6: ...to EEprom when existing playback mode LP ENABLE DISABLE LOOP MODE If loop mode is enable then when playback is running and line 5 finishes it will loop around to the start again automatically With loo...

Страница 7: ...ed to press ENTER 08 no need to press ENTER Changes made are saved to EEprom when existing playback mode LP ENABLE DISABLE LOOP MODE If loop mode is enable then when ramp is running and line 5 finishe...

Страница 8: ...n you connect via USB to a PC Windows the port will auto detect but no data will transfer until comms is enabled FTDI virtual serial port Baud 250k n 8 1 The simple bi directional ascii based serial d...

Страница 9: ...ustable output 4 dp s effective 38 146uV steps Note In this mode the 5th dp is presented and can be controlled but will not necessarily render a change to the voltage output as the resolution is 38 14...

Страница 10: ...r full The charging circuit is self contained but as an added extra the software can shutdown charging if the battery is approaching near full capacity This is done by monitoring the charge current an...

Страница 11: ...c Battery Ext power supply Vdc Span counts Calibration of the Battery external DC supply for the main screen Charge mA Charge current Span counts Calibration of the battery charging current monitor Us...

Страница 12: ...lighting will illuminate for 5 secs Press the rotary encoder switch at any time to illuminate the backlighting On power up the unit defaults to backlighting ON The backlighting intensity dynamically r...

Страница 13: ...that accompanies the HEX file for information and any additional instructions Remove the 4 screws on the back of the unit then locate the PWR BYPASS header and link it out with fresh batteries fitted...

Страница 14: ...ve loaded correctly then usually a COM port other than COM1 will be listed This is the virtual serial port Press CONNECT and the data will appear The Windows app basically mimics the LCD and operation...

Страница 15: ...e Schurter UMZ 250 series FUSE 2 1A time delay fuse Schurter UMZ 250 series J1 3 3Vdc supply to ICSP header Default open ICSP In Circuit Serial Programming header used for uploading new firmware JP1 P...

Страница 16: ...nt drops to 0mA To fix this remove the batteries from the PDVS2 and charge them separately in a standalone charger This will match them again and you can return them to the PDVS2 If this problem persi...

Страница 17: ...product may directly threaten life or injury The user of Ian Johnston Engineering Ltd products in life support aircraft applications or other such critical activities assumes all risks of such use an...

Страница 18: ...pan 10vMode Zero 10vMode Span FUNCTION COUNTS Out Vdc Batt Vdc Charge mA FUNCTION SETTING Batt Low Ind Batt Low Shutdown Batt Chg Enable Batt Chg O L mA Batt Chg Full mA B Light Enable boot FUNCTION U...

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