4030 - 48 Channel TTL Digital I/O ISA Card (PIO-48)
CE is a mandatory standard for products on the market in the European Economic Area. By CE marking a product, the manufacturer ensures that the item meets the essential safety requirements set out in the applicable CE directive.
This product fully adheres to the Restriction of Hazardous Substances Directive 2002/95/EC, RoHS for short.  The directive covers the restriction of use of certain hazardous substances in electrical and electronic equipment and was adopted in February 2003 by the European Union.
This product has a lifetime warranty against product failure (excludes user or enviromental damage).
4030 Digital IO ISA Card
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Version information
Lead time*
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48 Channel TTL Digital I/O ISA Card (MOQ 25 pieces)
Peripheral information
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50-Pin IDC to 50-Pin IDC Ribbon Cable, 40" in Length
Terminal Block - 50-Pin Header - Relay Rack Simulation Module
Single Point Discrete 24V DC Input Module
The Digital I/O Handbook - A Practical Guide to Industrial Input and Output Applications
Quad Solid State Relay, AC Input
Quad Solid State Relay, AC Output
Quad Solid State Relay, DC Output
Discrete 16-Position Relay Rack
Discrete 24-Position Relay Rack
* Lead time is indicative and is subject to change at time of ordering. Next business day delivery on in-stock products only (when ordered before 3pm).
** Contact us for quantity or project pricing.
† Additional delivery charge may be incurred for certain postcodes (calculated at checkout)

4030 overview

  • 48 channels of buffered TTL I/O
  • Each 8-bit port individually configurable as input or output
  • Built around true dual 8255 parallel I/O chips
  • Power (+5V and +12V) and ground provided on connectors
  • Two industry standard 50-pin solid-state relay rack connectors
  • SeaI/O Classic software supports Windows 98, ME, NT, 2000, XP and Vista operating systems
  • Software support for DOS, Linux, Windows 3.1 and Windows 95 available
  • (MOQ 25 pieces)
The 4030 ISA digital I/O interface is designed around two 8255 chips, each providing 24 I/O lines. The board has a Dip-switch for flexible I/O addressing, IRQ jumpers for interrupts and two sets of connectors for each port. A standard 50-pin solid state relay I/O module connector and a 40-pin connector with power and IRQ signals is provided.

The 50-pin connects (through an optional cable) to industry standard PB-8, -16 or -24 solid state relay I/O modules. The 40-pin connector, terminated in an optional DB-37 cable, matches the pin-out of "Generic" PIO-12 boards.

Sealevel's SeaI/O Classic software drivers and utilities make installation and operation easy using Windows 98, ME, NT, 2000, XP and Vista operating systems.

(MOQ 25 pieces)
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