PCM-UIO48C-16 Universal 48-Point Digital I/O with Interruptible Event Sense

The PCM-UIO48C-16 is a highly versatile PC/104 input/output module providing 48 lines of digital I/O. The major feature of this card is its ability to monitor 24 lines for both rising and falling digital edge transitions, latch them, and then interrupt the host processor notifying that a change-of-input status has occurred. This is an efficient way of signaling the CPU of real-time events without the burden of polling the digital I/O points.

DATA SHEET PRODUCT INFO

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ROHS COMPLIANT

MADE IN THE USA

Features

Supports 48 digital I/O lines
Each line is capable of:
- Bidirectional operation
- Input, Output, or Output with Readback
- 12mA Sink Current
Generates an interrupt on signal change-of-state:
- Supports 24 event sense lines
- Software selectable edge polarity for each line
- Software-enabled interrupt for each line
- Change-of-state latched for each line
Write-protection mask register for each 8-bit port
Compatible with industry-standard I/O racks
Fused +5V logic supply for I/O modules
16-bit PC/104 interface
+5-volt only operation
-40ºC to +85ºC Operation
Direct replacement for PCM-UIO48B-G

Features
Electrical	PC/104 Bus, 16-bit, stackthrough Parallel Interface; 48 I/O lines, TTL compatible
Onboard I/O	48 Digital I/O lines, TTL compatible
Expansion Bus	PC104, 16-bit support, stackthrough
Power	+5V ±5% at 12mA (excluding rack power with no loads on the outputs)
Environmental	Operational from -40° to +85°C RoHS compliant
Mechanical	Dimensions – 3.6 x 3.8 inches (90 x 96mm) Weight: 2.33 oz. (66 gm)