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AAEON PC/104 48-bit Digital I/O Module 48 TTL digital I/O lines Simulates mode 0 of 8255 PPI (port C0 and C1 are not separable) Buffer circuit for high driving capacity, TTL level Interrupt handling OPTO-22 compatible 50-pin connectors Output status readback
ApplicationsIndustrial AC/DC I/O module monitoring and control
Relay and switch monitoring and control
Parallel data transfer
Sensing the signals of TTL, DTL, CMOS logic
Driving indicator LEDs
The PCM-3724 is a PC/104-standard DIO module which attached 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, C0, A1, B1, 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.