ioBLOC 20

I/O Expansion Module

View Specifications

A rugged J1939 I/O module designed for harsh mobile equipment environments


The ioBLOC 20 Expansion Module offers a large number of outputs for expansion on 12 or 24V nominal systems at 3A per output (up to 5A surge per output). This module provides a space efficient way of controlling and connecting to multiple machine outputs via the J1939 protocol.

Key Features

  • For 12 or 24V nominal systems
  • Each output has short circuit, overload, and open load detection and protection
  • Optional PWM output capable


  • SAE J1939 communication protocol
  • Also available in CANopen version


  • 3A per output continuous
  • 5A surge per output (30A max total module)


  • Simple mounting
  • IP67 Rated (with properly mated connectors)
  • LED Status Indicators

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