Meech 977HL Operating Manual Download Page 1

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Model 977HL

Operating

Manual

Current Monitoring

Pulsed DC Controller for

Hazardous Location Ionisers

Summary of Contents for 977HL

Page 1: ...Model 977HL Operating Manual Current Monitoring Pulsed DC Controller for Hazardous Location Ionisers...

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Page 3: ...rols 6 Connections 7 Installation 8 Operation 10 Setting the Start Voltage and Ion Output Set Point 10 To set the Start Voltage and Ion Output Set Point 10 Setting the Rate 11 Setting the Balance 12 S...

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Page 5: ...ered with an in built switch mode power supply to allow its use on all mains voltages and frequencies Display is via a LCD panel with adjustment made by 4 push buttons The Pulsed DC output has a maxim...

Page 6: ...m together with outputs for data logging etc The Model 977HL Pulsed DC controller was carefully packed at our factory in a container designed to protect it from accidental damage Nevertheless we recom...

Page 7: ...5 3 Remote ON OFF jack plug Option 1 Interface cable mini DIN Features Display In normal operation the LCD display will look similar to the following...

Page 8: ...the most accurate neutralisation 4 Ion Output Graphical display of system performance with percentage value Without Feedback sensor bar connected See Feedback section on page 18 for further informatio...

Page 9: ...s 1 Mains On Off Switch 2 Mains Inlet Socket IEC C13 3 Output Signals 8 Way Mini DIN 4 Remote On Off 3 5mm Jack Socket 5 Feedback Sensor Bar inlet 2 5mm Jack Socket 6 Positive and Negative HT Outputs...

Page 10: ...hed via the mains cable Failure to do so can result in damage to the unit 1 Locate the 977HL in a dry well ventilated area outside the EX zone Allow sufficient space for the cables on the right hand s...

Page 11: ...9 4 Connect IEC mains cable Input voltages from 100 to 240V 50 or 60Hz are acceptable...

Page 12: ...ould be set to 9 6kV 2 Ion Output Set Point This is the target Ion Output as measured when the system is clean The 977HL self adjusts to try to maintain the output at this level This value should only...

Page 13: ...amples of Meech user interface icons and mples of Meech user interface icons to select option 2 Rate 3 Use Samples of Meech user interface icons and Samples of Meech user interface icons to set the re...

Page 14: ...and negative ions produced by the ioniser With the help of a static locator the balance can be adjusted for more accurate neutralisation of the target material To set the balance 1 Press Samples of M...

Page 15: ...m The lock code is a user selected three digit code A different code can be chosen each time the unit is locked 13 As the ionisers become contaminated the Ion Output will slowly start to decrease and...

Page 16: ...controls Note that when locked a Padlock icon will appear at the top of the screen To unlock the controls 1 Press Samples of Meech user interface icons to enter menu 2 Select option 5 Unlock and press...

Page 17: ...he Feedback gain and audible Alarm operation 1 Press Samples of Meech user interface icons to enter menu 2 Select option 6 Setup using the down button and press Samples of Meech user interface icons 3...

Page 18: ...5V mimics the Ion output bargraph on the LCD display 5V 100 Alarm The alarm relay changes state when the system detects an alarm condition including low ion output A pre wired 2 metre output cable is...

Page 19: ...ial after it has passed the ionising bar can be measured Ideally the Ion balance of the output can be adjusted by the operator to remove all the charge on the material In reality changes in running co...

Page 20: ...splay will now display an additional bargraph that represents the voltage being detected by the sensor bar 3 Use the front panel controls to set the correct output voltage page 9 and the rate page 11...

Page 21: ...n appropriate Feedback Gain setting Comparing actual readings of voltage on the material with the bargraph will provide an approximate calibration of the system When an alarm condition is met the alar...

Page 22: ...ur local distributor All products returned to the factory MUST be accompanied by a return authorisation number and must be shipped prepaid For prompt service ship the unit to the factory with the retu...

Page 23: ...977HL Case and Mounting Detail 21...

Page 24: ...onformity for this product exists in respect of the Low Voltage Directive 72 23 EEC LVD Electromagnetic Compatibility Directive 89 336 EEC EMCD Health and Safety Emission of Ozone Considerably below i...

Page 25: ...om Declaration of Conformity Equipment Model A977HL Limited kV Pulsed DC Controller Applicable Harmonised standards LVD EN 61010 1 2010 EMCD EN 61000 6 4 2001 EN61000 6 2 1999 EC Council Directives Lo...

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Page 28: ...232 4210 Fax 1 330 564 2005 email info meech com Meech Shavotech 29 2 Kharadi Off Pune Nagar Road On Old Kharadi Mundhwa Road Pune 411014 Maharashtra India Tel 91 0 703 093 8211 91 0 741 000 4817 Fax...

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