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märklin #658530 MAXI-Delta decoder

This is a result of my study for 658530 MAXI-Delta decoder on my E69(#54201). If you know any other version(pin assign, act something ) please let me know about it.

Pin assigns of the decoder are:

  1. Lr(Light rear)
  2. Rail
  3. Motor
  4. NC(internal common gnd)
  5. L(internal common gnd)
  6. Motor(internal common gnd)
  7. Rail
  8. Lf(Light front)

 

Combination of 'direction arrow' on 6021 CU and output.

Direction

#3(motor)

#1(Lr)

#8(Lf)

/\

+0~ +20V

0V

+0~+20V

\/

-0~ -20V

-0V~-20V

0V

All voltages are measured between internal ground.

Voltages of #1(Lr) and #8(Lf) are depends on #6(motor) voltage.

 

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