Overview

The DIGIplate is an eight channel digital input board with surge protection on each input. It includes channel to channel isolation as well as input to the Raspberry Pi isolation to prevent noise producing ground loops. Each input can be individually configured to support IEC 61131-2 Type 2 and Type 3 current sinking or a standard digital logic profile. All inputs are 30 volt tolerant and can be driven with both PNP and NPN output devices.

Features

  • Eight, digital inputs with settable sink current profiles
  • All channels isolated from each other and from Raspberry Pi
  • All inputs include transient protection
  • At-a-Glance Input Status LEDs for each channel visible from the front
  • Pluggable terminal blocks for simplified setup and quick changes
  • Up to eight DIGIplates can be stacked together to provide a maximum of 64 channels
  • Onboard programmable LED

General

  • 100% Tested and Calibrated
  • Dedicated onboard processor
  • Pluggable 3.5mm screw terminal connections
  • Minimum RPi pins required:  15, 16, 22, and 26 while sharing pins 19, 21, and 23.
  • All features accessible via Python command set
  • Supported by Node-RED
  • Compatible with all 40 pin versions of the Raspberry Pi
  • Can be used in combination with all members of the Pi-Plates family
  • Onboard bootloader for firmware updates.
  • Detailed Online Users Guide with Examples
  • Dimensions (with all terminal block plugs attached): 100mm long x 85mm wide x 25mm high

DIGIplate

A versatile digital input plate with eight isolated and protected channels.

$74.99Add to cart

Add a DINplate

Our low cost scalable enclosure to mount your Pi-Plate stack to a DIN rail.

$29.99Add to cart

Specifications

Documentation

Suggested Accessories

CASEplate

DIGIplate Specifications

General

  • Max Operating Temperature: 60C
  • Maximum Read Rate: 2Khz - (as measured on an RPi4)

DIGITAL Inputs

  • Input Count: 8
  • Input Range: 0 to 30V
  • Input Status LEDs on Each Channel (visible from the front)
  • Compatibility
    • IEC 61131-2 Type 2 (high current)
    • IEC 61131-2 Type 3
    • 5V Digital Logic
    • PNP and NPN Sensor Outputs
  • Input Characteristics: See Plots Below
  • Logic Level Switching:
    • Low to High Threshold: 2.75V
    • High to Low Threshold: 2.50V
    • Hysteresis: 0.25V
    • Input current at 5V in: 2.2mA
  • Transient Protection Threshold: +/-33V

Isolation

  • 1400Vpeak between each input and the Raspberry Pi
  • 500VDC channel to channel

Raspberry Pi Interface Signals

  • SPI signals
    • CE1: pin 26 / GPIO07
    • CLK: pin 23 / GPIO11
    • MOSI: pin 19 / GPIO10
    • MISO: pin 21 / GPIO09
  • Pi-Plate Handshake Signals
    • FRAME: pin 22 / GPIO25
    • ACK: pin 16 / GPIO23
    • EVENT: pin 15 / GPIO22

Verification Data