ESC Connection
ESC Parameter
Trouble Shooting
Model
BEC
PWM Input Signal Voltage
Online Update
Throttle Loss Protection
Phase Short
Size(L*W*H)
Power Line
Battery Section
Recommended Battery
Compatible Signal Frequency
Current Protection
AMPX ESC 120A
No
3.3V/5V (compatible)
not available
available
available
117.5 * 56.3 * 42.8mm
8AWG
12~24S
24S
50-500Hz
available
Stall Protection
Error Signal Output
Protection Grade
Motor Line
Continuous Current
Instant Current
Throttle Pulse Width
Voltage Protection
Temperature Protection
Speed Signal Output
Weight(without lines)
Working Environmental
Temperature
available
available
IP67 (sealing with resin)
8AWG
120A (under good cooling conditions)
180A (under good cooling conditions)
default 1050us-1940us, throttle calibration needed.
available
available
not available
315g
-20~65°C
MAD COMPONENTS 2023.02.28 V1.0
WWW.MAD-MOTOR.COM
Motor
Battery
ESC
PWM
Cause
Alarm
Problem
Solution
Adjust throttle bottom
Check sender and receiver
co-work condition, check throttle
control lines.
Change full power battery.
Change proper full power battery.
Please cool down the ESC in a
ventilated place
Replace the propeller with
appropriate one
Beep, beep, beep...
every 1 second.
Quick noise of beep
beep beep...
Beep beep, beep beep...
every 1 second.
Beep beep, beep beep...
every 1 second.
Beep beep beep, beep...
every 1 second.
Beep beep beep beep、
beep,beep, beep,
(Each interval is 1 second)
Receiver has not throttle
output signal.
Throttle is not made zero.
Battery voltage is too low.
Battery voltage is too high
ESC’s temperature is too high
Overload
Motor can't start after
powering on.
Motor can't start after
powering on.
Voltage is less than 40V.
Voltage is more than 105V.
Temperature is higher than 80
centigrade degree.
The power-on current or
short-circuit protection is
abnormal
Black wire:
ground wire
White cable:
throttle signal cable
Yellow cable:
error signal cable
Orange cable:
RPM signal cable
RPM conversion formula:
M_ RPM=E_ FRE*60/P
M_ _RPM: motor speed
E_ FRE: Electrical frequency of motor
Namely RPM signal frequency
P: Number of motor magnets
