> ACE4 Controller

ACE4 Controller


The ACE4 inverter is a controller suitable for AC Induction motors, in the range from 15 to 25 kW continuous power, used in a variety of battery powered material handling trucks.

It can be supplied in two configurations:

  • standard version, with a 23 poles connector
  • premium version, with a 35 poles connector, enhanced I/O.

The high number of I/O accommodates a large number and wide range of vehicle controls and sensors.

It can easily interface with a wide range of external device via CAN Bus.

Double microcontroller reduntant safety architecture.

Typical applications include, but are not limited to: Counterbalanced trucks with load up to 8 tons, HLOP (Vna), GSE, Tow tractors and airport ground support vehicles, Aerial (telescopic boom and scissor lift) access equipment.

Power section

Power supply: 36V, 48V, 80V
Maximum current ACE4:
  • (36V) 900 Arms (2’)
  • (48V) 875Arms (2’)
  • (80V) 750Arms (2’)
Ambient Temperature range: -40° +40°C
Maximum heatsink temperature: 85°C (starts to reduce current)


BLE4 dimensions: 204x235x103 mm

General Features

  • 16 bits microcontroller for main functions
  • 576+ Kbytes embedded Flash memory
  • 16 bits microcontroller for safety functions,
  • 320+ Kbytes embedded Flash memory
  • Up to 8 active high digital inputs
  • Up to 4 analog inputs (range 0÷10V) with 10 bit resolution
  • 3 active low digital inputs
  • 1 analog motor thermal sensor input
  • 1 incremental encoder interfaces
  • 1 CAN communication port that allow interconnection to a wide range of devices
  • Standard communication: CIA, CANopen
  • Communication speed up to 500Kbit/sec
  • 11 and 29 bits communication supported
  • +12V / +5V output supply (up to 150mA)
  • 1 power low side output with precise current feedback to control proportional hydraulic valves (up to 1,5A continuous)
  • Up to 4 PWM voltage control low side outputs
  • Up to 2 ON/OFF voltage control low side outputs
  • Built-in freewheeling diodes
  • Different built-in programmable levels for dither amount & frequency
  • Overload protection, short circuit protection and open load protection
  • ESD protection
  • Operating ambient temperature range from -40°C to + 40°C
  • Sealed connector (23 or 35 pins Ampseal)
  • IP65 rated
  • Easy access to service, status and diagnostic information

Other features

double microcontroller architecture