Expansion Remote I/O Modules

Expansion I/O extends the channel count of various Sealevel I/O, including digital I/O, analog I/O, TTL I/O, relays and open collectors whilst lowering the overall cost.

We have been supplying remote I/O modules for over 20 years. Our comprehensive range includes Ethernet, USB, serial, wireless and fieldbus I/O modules offering analog, digital and relay acquisition and control.

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In stock [38]
Ethernet I/O [90]
Serial I/O [71]
Wireless I/O [28]
Fieldbus I/O [7]
Expansion I/O [12]
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Showing 12 Expansion Remote I/O Modules
410N
16 Optically Isolated Digital Input/16 Reed Relay Output SeaI/O Expansion Module (SeaI/O-410N)
  • Bus: Expansion I/O
  • I/O type: Digital Input, Relay - Form A ...
420N
16 Optically Isolated Digital Input/8 Form C Relay Output SeaI/O Expansion Module (SeaI/O-420N)
  • Bus: Expansion I/O
  • I/O type: Digital Input, Relay - Form C
430N
32 Optically Isolated Digital Input SeaI/O Expansion Module (SeaI/O-430N)
  • Bus: Expansion I/O
  • I/O type: Digital Input
440N
32 Reed Relay Output SeaI/O Expansion Module (SeaI/O-440N)
  • Bus: Expansion I/O
  • I/O type: Relay - Form A / Reed
450N
16 Form C Relay Output SeaI/O Expansion Module (SeaI/O-450N)
  • Bus: Expansion I/O
  • I/O type: Relay - Form C
462N
96 Channel TTL (DB78) Digital Interface SeaI/O Expansion Module (SeaI/O-462N)
  • Bus: Expansion I/O
  • I/O type: TTL - I/O
463N
96 Channel TTL (50-Pin) Digital Interface SeaI/O Expansion Module (SeaI/O-463N)
  • Bus: Expansion I/O
  • I/O type: TTL - I/O
470N
16 Analog Input/2 Analog Output, 8 Isolated Digital Input/8 Digital Output SeaI/O Expansion Module (SeaI/O-470N)
  • Bus: Expansion I/O
  • I/O type: Analog Output, Digital Input, ...
520N
8 Optically Isolated Input/8 High-Current Form C Relay Output SeaI/O Expansion Module (SeaI/O-520N)
  • Bus: Expansion I/O
  • I/O type: Digital Input, Relay - Form C
IN STOCK
530N
16 Isolated Digital Input/16 Open-Collector Output SeaI/O Expansion Module (SeaI/O-530N)
  • Bus: Expansion I/O
  • I/O type: Digital Input, Digital Output,...
540N
32 Open-Collector Output SeaI/O Expansion Module (SeaI/O-540N)
  • Bus: Expansion I/O
  • I/O type: Digital Output, Open Collector
570N
8 Analog Input, 8 Isolated Digital Input/8 Form C Relay Output SeaI/O Expansion Module (SeaI/O-570N)
  • Bus: Expansion I/O
  • I/O type: Analog Output, Relay - Form C
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+44(0)1782 337 800
Happy Holidays from Impulse! Please note that we will be closed for the holiday period from 20th December, and will reopen on 2nd January. Our last shipping date of the year to customers will be 18th December 2024.
+44(0)1782 337 800