Advantech PCM-3724 48-channel Digital I/O Module | with Output status read back, Interrupt triggering, rising/falling edge, Channels simulate 8225 PPI mode 0
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Introduction
The PCM-3724 is a PC/104-standard DIO module which attaches to the piggyback connector on your CPU card or PC/104 CPU module.
The PCM-3724'S two Intel 8255 PPI compatible chips provide 48 bits of parallel digital input/output. Buffered inputs and outputs offer high driving capacity.
The Module's 48 bits are divided into six 8-bit I/O ports: A0, B0, A1, B1 and C1. You can configure each port as either an input or output in software. The module also offers two hardware interrupt lines to the PC.
The module offers two 50-pin OPTO-22 compatible connectors which can connect to a PCLD-7216 SSR I/O module carrier board, PCLD-885 power relay output board, PCLD-785B 24/16-channel relay output board or a PCLD-782B 24/16-channel opto-isolated D/I board.
Features
48 TTL digital I/O lines
Buffer circuit for high driving capacity, TTL level
Interrupt handling
OPTO-22 compatible 50-pin connectors
Output status readback
Simulates mode 0 if 8255 PPI (port C0 and C1 are not separatable)