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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
Input Lines
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Isolation
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 135 of 135 products meet your criteria. Show more options

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    Description  BusI/O LinesInputsOutputsCurrent SinkCountersShipping  Price   
ISA Digital I/O Board - 32 Channels of Isolated & 32 TTL Digital I/O with Counters ATDIO ISO32
ISA Digital I/O Board - 32 Isolated & 32 TTL Digital I/Os with Counters
ISA (16-bit, AT)
321616200mA1Same Day  $175.00 Add to Cart
ISA Digital I/O Board with 8 Isolated Digital Inputs & 8 Relay Outputs ATISO 08
ISA Digital I/O Board - 8 Isolated Digital Inputs, 8 Relay Outputs
ISA (8-bit, XT)
1688 - - Call  $145.00 Add to Cart
ISA Digital I/O Board - 16 Isolated Inputs, 16 Relay Outputs ATISO 16
ISA Digital I/O Board - 16 Isolated Inputs, 16 Relay Outputs
ISA (16-bit, AT)
321616 - - Same Day  $225.00 Add to Cart
ISA Digital I/O Board - 48 Channels of Digital I/O, Event Counter, Timer ATMFC 48H
ISA Digital I/O Board - 48 Channels of Digital I/O, Event Counter, Timer
ISA (16-bit, AT)
48484824mA3Same Day  $125.00 Add to Cart
CyMOD™ Remote Digital I/O Module with 15 Channels, 20 Screw Terminals CM 4050
CyMOD Remote Digital I/O Module - 15 Channels, 20 Screw Terminals
RS-422/485 serial
157830mA - Call  $160.00 Add to Cart
CyMOD Remote Digital Input Module with 8 Isolated Channels, 20 Screw Terminals CM 4052
CyMOD Remote Digital Input Module - 8 Isolated Channels, 20 Screw Terminals
RS-422/485 serial
8 - - - - Same Day  $160.00 Add to Cart
CyMOD™ Remote Contact/Digital Input Module with 16 Isolated Channels, 20 Screw Terminals CM 4053
CyMOD Remote Contact/Digital Input Module - 16 Isolated Digital Inputs, 20 Screw Terminals
RS-422/485 serial
1616 - - - Same Day  $160.00 Add to Cart
CyMOD™ Remote Digital Input Module with 15 Isolated Channels, 20 Screw Terminals CM 4054
CyMOD Remote Digital Input Module - 15 Isolated Digital Inputs, 20 Screw Terminals
RS-422/485 serial
1515 - - - Same Day  $160.00 Add to Cart
CyMOD™ Remote Digital Output Module with 15 Isolated Channels, 20 Screw Terminals CM 4056
CyMOD Remote Digital Output Module - 15 Isolated Digital Outputs, 20 Screw Terminals
RS-422/485 serial
15 - 15 - - Call  $160.00 Add to Cart
CyMOD™ Remote Relay Output/Digital Input Module with 28 Channels, 20 Screw Terminals CM 4058
CyMOD Remote Digital I/O Module - 28 Channels, 50-Pin SCSI II Connector, 9 Screw Terminals
RS-422/485 serial
282824 - - Same Day  $167.00 Add to Cart
 Showing 21 - 30 of 135 Products Prev 1 2 [3] 4 5 6 7 8 9 10 Next >>
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 Category Browse - Digital I/O Interfaces
Counter/Timer Products