Cuav x7 tradheli 4.1 rpm sensor issue

Hello, I have issue with x7, I can’t get the reading from my rpm sensor.
With the same params cube black works perfectly rpm_type to 2 and rpm_pin 54 and brd_pwm to 4 on the cube black and brd_pwm to 14 on the x7.
Also I check with oscilloscope, signal is perfect 0-3,3v square wave……

Please let me know how to set it.

Kind regards

This is what works for me

BRD_PWM_COUNT,8

RPM_MAX,100000
RPM_MIN,10
RPM_MIN_QUAL,0.5
RPM_PIN,58
RPM_SCALING,0.25 # I run four magnets
RPM_TYPE,2

PWM AUX channels - Arducopter X7 Pin Mapping

PH10 TIM5_CH1 TIM5 PWM(1) GPIO(50)
PH11 TIM5_CH2 TIM5 PWM(2) GPIO(51)
PH12 TIM5_CH3 TIM5 PWM(3) GPIO(52)
PI0 TIM5_CH4 TIM5 PWM(4) GPIO(53)
PD12 TIM4_CH1 TIM4 PWM(5) GPIO(54)
PD13 TIM4_CH2 TIM4 PWM(6) GPIO(55)
PD14 TIM4_CH3 TIM4 PWM(7) GPIO(56)
PD15 TIM4_CH4 TIM4 PWM(8) GPIO(57)

PE9 TIM1_CH1 TIM1 PWM(9) GPIO(58)
PE11 TIM1_CH2 TIM1 PWM(10) GPIO(59)
PA10 TIM1_CH3 TIM1 PWM(11) GPIO(60)
PE14 TIM1_CH4 TIM1 PWM(12) GPIO(61)
PH6 TIM12_CH1 TIM12 PWM(13) GPIO(62) NODMA
PH9 TIM12_CH2 TIM12 PWM(14) GPIO(63) NODMA