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© 2012 Power-Tronics, Inc. 

 
 
 

The Power-Tronics AFM500X Automatic 
Flashing Module is a convenient and 
compact optional build up module for all 
Power-Tronics UVR and XR series 
Universal Voltage Regulators.  The 
AFM500X offers an automatic flash or 
battery flash mode on the same module for 
added versatility. 
 
The AFM500X is a unique, automatic 
flashing module designed specifically for 
generators with very low AC residual 
voltage, brush-type generators, and for any 
installation where guaranteed buildup is 
required.  Operation is completely automatic 
and installation into a Power-Tronics 
regulating system is quick and easy. 
 
The two modes offered by the AFM500X are 
automatic flashing and battery flashing.  
Automatic flashing uses the existing residual 
AC voltage of the generator as a flashing 
source, while the battery flashing mode uses 
an external battery for it's flashing source.  
All inputs are fused to protect any connected 
equipment! 
 
Like the rest of our professional line of 
products, the AFM500X is fully repairable!  
None of the major electronic components 
are encapsulated to facilitate prompt repair!  
The entire unit is coated in a protective film 
to insulate it from any contamination and 
moisture that may be present. 
 
The AFM500X Automatic Flashing Module is 
compatible with all previous UVR and XR 
series Universal Voltage Regulators as well 
as select VR series voltage regulators.  The 
AFM500X is also a very simple upgrade for 
installations using older Power-Tronics 
BU120/240 or BU500 series buildup 
modules! 

Specifications 

 

Input Voltage: 

 

 

 

120 / 208 or 240vac 

Frequency: 

 

 

 

50-400Hz 

Buildup Pullout Voltage: 

 

 

85-100vac 

Maximum Continuous Output: 

 

5adc 

Minimum Field Resistance: 

 

21

Ω

  

Min Residual Build up Voltage: 

 

2vac 

Under Frequency Protection: 

 

Yes, VPH reduction 

Physical Size: 

 

 

 

3 x 4 x 1 in. 

Weight:   

 

 

 

7 oz 

Repairable: 

 

 

 

Yes 

Internal Protection: 

 

 

Fuses, cartridge type 

 

AFM500X 

Automatic Flashing Module 

 

Содержание AFM500X

Страница 1: ...l battery for it s flashing source All inputs are fused to protect any connected equipment Like the rest of our professional line of products the AFM500X is fully repairable None of the major electronic components are encapsulated to facilitate prompt repair The entire unit is coated in a protective film to insulate it from any contamination and moisture that may be present The AFM500X Automatic F...

Страница 2: ...ation to Use 4 Use With Power Tronics Optional Static Exciter Modules 5 Automatic Flashing Configuration 6 Battery Flashing Configuration 7 Initial Setup and Commissioning 8 Internal Fuse Replacement 9 Application Troubleshooting 10 Bench Check Procedures 11 Installation Warranty Form 12 Product Warranty Certificate 13 ...

Страница 3: ...500X provides a very compact automatic flashing or battery flashing source to any Power Tronics voltage regulating system quickly easily and safely When the generator is first energized the voltage regulator typically begins it s buildup mode where it brings the generator up to a given point before it goes into it s regulation mode Sometimes however the generator may have extremely low residual AC...

Страница 4: ... To determine the proper connection for your generator you need to know the residual AC voltage of your generator and which type of generator you have To determine the residual AC voltage of your generator run engine with the voltage regulator turned off and measure the voltage produced at the AC input terminals of the voltage regulator then refer to the selection chart below When you have determi...

Страница 5: ...r Tronics SE350 SE450 SE900 and SEM100A Static Exciter Modules When installing the AFM500X in one of these conditions you must follow the instructions in this manual precisely to prevent damage to the AFM500X The AFM500X should NEVER be connected directly to the exciter field when using an optional Static Exciter Module Damage to the AFM500X will result ...

Страница 6: ...input voltage to the AFM500X Automatic Flashing Module is 240VAC DO NOT input 277VAC into the AFM500X Severe damage to the unit will result For use on 480V systems either connect the regulator to the winding center taps T7 and T8 or use a 480 240V step down transformer NOTE Wiring from the AFM500X must ALWAYS be connected to the voltage regulator terminal board regardless of any other optional mod...

Страница 7: ... 277VAC into the AFM500X Severe damage to the unit will result For use on 480V systems either connect the regulator to the winding center taps T7 and T8 or use a 480 240V step down transformer NOTE Wiring from the AFM500X must ALWAYS be connected to the voltage regulator terminal board regardless of any other optional modules in use Refer to your instructions that came with your Universal Voltage ...

Страница 8: ...ns of your voltage regulator as shown in the voltage regulator s instruction manual except energize or turn on the switch to the AFM500X when you plan to energize the generator during setup 4 Observe the buildup operation and verify there is no excessive voltage overshoot and that the voltage regulator is operating properly 5 If using the Battery Flash configuration always remember to open the swi...

Страница 9: ... GDB 5A Fuse Replacement Procedure Refer to the image above for easy reference Visually Check each fuse for signs of failure A melted fuse link or darkened window will indicate failure Check each of the 3 fuses for continuity with a multimeter They will conduct if good but will not if open Replace open fuses with exact replacement fuses Fuse size is 20mm x 5mm 5A 250VAC DO NOT REPLACE WITH ANY OTH...

Страница 10: ... field 5 Open diode in exciter or shorted rotor in generator 6 Loose component in voltage regulator 7 Loose wiring connections 8 Input voltage to regulator is too low 9 Exciter field is grounded 10 Non linear load or wrong selection for regulator hookup 11 Exciter fields are reversed 12 Wrong selection of regulator wiring configuration 13 Defective voltage regulator 14 SCR or Inverter drive effect...

Страница 11: ...Observation The light bulb should increase in brightness until you reach approximately 85 100VAC At no more than 100VAC the AFM500X should open the connection to the light bulb and it should go out NOTE Relay chatter during this test is normal 5 Turn off power to the AFM500X and remove the light bulb from terminals 4 and 3 6 Connect up the AFM500X as shown in Figure B and perform all of the previo...

Страница 12: ...ation will result in a cancellation of your warranty coverage Filling out this form takes only minutes but will save hours or days later on if your product should require service Product Other options Serial Number Date of Installation Type of Generator Model Brush type Brushless AC Stator Information Wired for Volts Phase Hz Generator Configuration Lead Exciter Rotor Information Exciter field res...

Страница 13: ... the defective part A repair request form must be sent in with the product before repairs will begin You can obtain this form by contacting Power Tronics Inc Send repairs to Power Tronics Inc 2802 Cobbler Ln Kerrville Texas USA 78028 Send in repairs only by UPS or FedEx USPS will NOT deliver to our facility Any one of the following conditions will void the warranty Overheating of the power supply ...

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