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PCM-372448-channel DIO Module

48-channel DIO Module

48-channel digital I/O module with fully buffered I/O lines.


  • 48 programmable I/O lines
  • Fully buffered high-current TTL lines
  • Rising/falling edge interrupt triggering
  • Output status readback
  • Opto 22 I/O rack plug compatible
  • Jumper selectable interrupts

Software Expertise: Reference & Software Expertise

Embedded PC/104 ModuleRoHS-compliant


The PCM-3724 provides 48 fully buffered digital input/output lines. It features Intel 8255 Mode 0 software compatibility for use with all popular software drivers.

The two 50-pin I/O connectors are plug compatible with Opto 22 type I/O racks.The PCM-3724 provides the reliability of fully buffered inputs and outputs and high drive capacity at a cost comparable with non-buffered boards.

The module’s 48 bits are divided into six 8-bit I/O ports. Each port is software configurable as an input or an output. Two hardware interrupt lines are also available.

VersaLogic products are designed for use by OEMs working in a variety of market applications: Aerospace, Defense, Energy, Industrial, Security, Medical, Military, Robotics, and Transportation. Anywhere that the need for superb quality and high-performance embedded computing exists, applications include: automation, avionics, gateway, in-vehicle, monitoring, simulation, and vision.

VersaLogic delivers extremely reliable standard and customized embedded computers backed with unsurpassed service and the highest availability in the market. VersaLogic exists to exceed customers' product, service, support and delivery needs - whenever and wherever the need arises.


General Board Size 3.55" x 3.775" (PC/104 standard)
Compatibility PC/104 Opto 22 type I/O racks
Mechanical Connectors Two Opto 22 compatible 50-pin .1" headers
Digital input Logic level 0: 0.8V max.
Logic level 1:
2.0V min.
Digital output Logic level 0: 0.5V max. (@ 24 ma sink)
Logic level 1:
2.0V min. (@ 15 ma source)
Storage Temperature -20° to +85° C
Free Air Operating Temperature 0° C to +60° C
Power requirement +5V @ 90 ma typ.
Data represents information that is subject to change without given notice.

Software Support Packages

Operating System Compatibility

Win 10 - Meets Specifications
Win 8 - Tested & Compatible
Win 7 - Tested & Compatible
Win XP - Tested & Compatible
Win Std 7 - Tested & Compatible
Win XPe - Tested & Compatible
Win CE - Tested & Compatible
Debian - Tested & Compatible
Ubuntu - Tested & Compatible
Knoppix - Meets Specifications
VxWorks - Meets Specifications
Neutrino - Tested & Compatible
DOS - Tested & Compatible


Part Number Description Photo
VL-HDW-101Standoff package, 4x screws, 4x standoffs, 15mm, Metric thread
VL-HDW-203PC/104 extractor tool (metal)

Ordering Information

Model Description Digi-Key logo
PCM-3724 48-Channel Digital I/O Module

Export Information

Description Value
SCHEDULE B:8471.60.7000