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Digital I/O
Digital I/O  
Digital I/O cards and modules let you sense and control binary (on/off, high/low) signals. Most models are commonly used to control devices and sense switch closures, while others provide high-speed pattern generation, timing and event counting. Models with current sink capacity of 8mA or more can be used to directly switch solid-state relays, while other models have built-in relays for direct connection to field voltages.  
  135 of 135 products meet your criteria. Show more options
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I/O Lines
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 135 of 135 products meet your criteria. Show more options

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    Description  BusI/O LinesInputsOutputsCurrent SinkCountersShipping  Price   
You Can Easily Panel-Mount, DIN Rail-Mount, or Piggyback-Mount Modules ADAM 4053
ADAM Remote Contact/Digital Input Module - 16 Wet/Dry Contact Inputs, 20 Screw Terminals
RS-422/485 serial
1616 - - - 1-2 weeks  $185.00 Add to Cart
ADAM Remote Digital I/O Module - 16 Channels of Isolated DIO, with LED Indicators ADAM 4055
ADAM Remote Digital I/O Module - 16 Channels of Isolated DIO, with LED Indicators
RS-422/485 serial
1688 - - 1-2 weeks  $210.00 Add to Cart
ADAM Remote Digital I/O Module - 12 Channels of Isolated Digital Output (Sink), accepts ASCII or Modbus characters on RS-485 bus. ADAM 4056S
ADAM Remote Digital I/O Module - 12 Channels of Isolated Digital Output (Sink), accepts ASCII or Modbus characters on RS-485 bus.
RS-422/485 serial
12 - 12200mA - Call  $195.00 Add to Cart
ADAM Remote Digital I/O Module - 12 Channels of Isolated Digital Output (Source), accepts ASCII or Modbus characters on RS-485 bus. ADAM 4056SO
ADAM Remote Digital I/O Module - 12 Channels of Isolated Digital Output (Source), accepts ASCII or Modbus characters on RS-485 bus.
RS-422/485 serial
12 - 12 - - Call  $230.00 Add to Cart
You Can Easily Panel-Mount, DIN Rail-Mount, or Piggyback-Mount Modules ADAM 4060
ADAM Remote Relay Output Module - 2 SPST (Form A) Relays, 2 SPDT (Form C) Relays, 15 Screw Terminals
RS-422/485 serial
4 - 4 - - 2+ weeks  $200.00 Add to Cart
ADAM Remote Digital Output Module - 8 Relay Outputs ADAM 4068
ADAM Remote Digital Output Module - 8 Relay Outputs
RS-422/485 serial
8 - 8 - - 2+ weeks  $245.00 Add to Cart
ADAM Remote Relay Output Modules with Modbus - 8 Power Relay Outputs ADAM 4069
ADAM Remote Relay Output Modules with Modbus - 8 Power Relay Outputs
RS-422/485 serial
8 - 8 - - Call  $315.00 Add to Cart
You Can Easily Panel-Mount, DIN Rail-Mount, or Piggyback-Mount Modules ADAM 4080
ADAM Remote Relay Counter/Frequency Input Module - Two 32-bit Counter Inputs, 2 Digital Outputs, 20 Screw Terminals
RS-422/485 serial
4 - 230mA2Call  $270.00 Add to Cart
ISA Digital I/O Board - 10 Channels of C/T, 24 Channels of Digital I/O ATCTM 10
ISA Digital I/O Board - 10 C/Ts, 24 Digital I/Os
ISA (16-bit, AT)
2416824mA10Same Day  $195.00 Add to Cart
ISA High-Density Digital I/O Card - 144-bit ATDIO 144H
ISA High-Density Digital I/O Card - 144 Channels, Opto 22 Compatible
ISA (16-bit, AT)
144144144 - - Call  $245.00 Add to Cart
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 Category Browse - Digital I/O Interfaces
Counter/Timer Products