The DIO-48 provides 48 TTL digital I/O lines, and one 16- bit counter . The DIO-48 emulates 8255 mode 0 and has an increased output current of 15 mA (source) and 64 mA (sink) , allowing it to control LED, relay, etc. The DIO-48 consists of six 8-bit bi-directional ports and 3 input lines for interrupt enable and counter. The 8-bit ports are named port A(PA),port B(PB) and port C(PC). The port C can be split into two four bit. All ports are configured as inputs as inputs upon power-up or reset. The base address is selectable from 200 to 3FF hex. The interrupt signal can be connected to any of the interrupt levels 2 through 7 . back •Connects directly to DB-24P,DB-24R,DB-24PR,DB-885B ,or any OPTO-22 compatible daughter board •48 digital I/O lines •One 16-bit counter •IRQ Level : IRQ3 ~ IRQ15 •Interrupt Trigger by Event / Timer / Port C3 , C7 •Clock Source can be setting : RTC (32.768 k)/1 M/2 M/4 MHz •Emulate two industrial-standard 8255 mode 0 •Two 50-pin flat cable connector •Output status read back back •Factory automation •Product test •Test automation•Digital I/O control •Alarm monitoring •4-channel SSR Output Daughter Board back •DOS sample program(with source codes) •DLL and OCX SDK for Windows 98/NT/2000 •DLL and OCX SDK for 32-bit Windows XP/2003/Vista/7 •VB/VC/Delphi/BCB sample programs with source codes are included •LabVIEW toolkit for Windows •Driver for Linux and DasyLab back Digital Input Channels 48 (OPTO-22 compatible) Compatibility 5 V/TTL Input Voltage Logic 0: 0.8 V max.Logic 1: 2.0 V min. Response Speed 1.0 MHz (Typical) Digital Output Channels 48 (OPTO-22 compatible) Compatibility 5 V/TTL Output Voltage Logic 0: 0.4 V max.Logic 1: 2.4 V min. Output Capability Sink: 0.8 mA @ 0.8 VSource: -2.4 mA @ 2.0 V Response Speed 1.0 MHz (Typical) Timer/Counter Channels 3 independent Resolution 16-bit Input Frequency 10 MHz max. Clock Source 32.768 kHz/2 MHz/4 MHz General Bus Type ISA I/O Connector 50-pin box header x 2 Dimensions (L x W x D) 159 mm x 120 mm x 22 mm Power Consumption 900 mA @ +5 V Operating Temperature 0 ~ 60 °C Storage Temperature -20 ~ 70 °C Humidity 5 ~ 85% RH, non-condensing back DIO-48 CR 48-channel Digital I/O Board (RoHS) back CA-5002 50-pin flat cable 20 cm CA-5015 50-pin flat cable 1.5 M DB-24P 24-channel Photo Couple Isolated Digital Input Daughter Board DB-24R 24-channel Relay Output Daughter Board DB-24C 24-channel Open Collector Output Daughter Board DB-16P8R 16-channel Isolated Digital Input And 8-channel Relay Output Daughter Board DB-24POR 24-channel Photo Mos Relay Output Daughter Board DB-24PR 24-channel Power Relay Output Daughter Board back

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