Product contents

  • Binary acquisition card
  • USB to miniUSB cable


Binary acquisition card V3

  • ATmega32U4 microcontroller
  • 5V power supply through USB connector
  • Mini-USB connector
  • 3.81 mm block terminal connectors
  • 14 24V tolerant digital inputs with pull-up and pull-down selector
  • 5V output for powering external circuits
  • RS485 port with 120 Ω end-of-bus resistor selector switch
  • CAN Bus 2.0B port with 120 Ω end-of-bus resistor selector switch
  • Relay output


Binary acquisition card V3 conectors


Binary inputs 1-14 – General purpose digital inputs

Selector – Jumpers selector

Selector Function
1 Pull-up of digital inputs
2 Pull-down of digital inputs
3 RS485 bus terminating resistor
4 CAN bus terminating resistor (60Ω)
5 CAN bus terminating resistor (60Ω)

OUT – External power output

Pin Función
1 +5V
2 GND

RS485 – RS485 type output connector

Pin Función
1 A
2 B

CAN – CAN Bus type output connector

Pin Función
1 L
2 H

NPN – Relay output

Pin Función
1 +5V
2 Salida de relé

From the N4M Smart Control platform, each of the general purpose signals can be identified with a specific meaning.