PNP I/O

PNP Schematic   

PNP I/O is a high speed optically isolated digital Input/Output node with PNP format.

Hardware Features

• 10 Optically isolated Digital Inputs/Outputs.
• Fully protected.
• PNP format (Output driven to 24V when active).
• Nominal 24V operation.
• Individual I/O can be used as either Inputs or Outputs

Software Features provided by Control-C

• Digital I/O Outputs set instantly. Inputs read every 0.0005 sec.
• Digital I/O timed output pulses
  (period = 0.0005 to 60 sec. resolution = 0.0005 sec).
• Digital I/O input filtering (preventing false signalling).
• Digital I/O edge triggered software interrupts on all inputs.
• Interrupts fully software configured and controlled.
• Software induced interrupts by pulsing outputs.
• Edge counting facility on all inputs.

Front Panel Indicators

• 8 Segment Display - Status, programming progress and Communications indicator.
• Digital I/O Status - Red LED. On = when I/O is in the active state (0V).

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