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产品介绍：?48口PCI Express总线DIO卡

产品特点：Supports PCI Express x 1 for PEX-D48
48 channels of digital I/O
Bi-direction programmable I/O ports under software control
All I/O lines buffered on the board
Six 8-bit bi-direction I/O ports
SMD, short card
Connects directly to DB-24PR, DB-24PD, DB-24RD, DB-24PRD, DB-16P8R,?
DB-24POR, DB-24SSR, DB-24C or any OPTO-22 Compatible daughter boards.
One 32-bit programmable internal timer
One DB37 connector, one 50-pin box header
One 16-bit event counter
Interrupt source: 4-channel
Card ID function for PEX-D48
Pull-up or pull-down resistors on I/O lines
Emulate two industrial-standard 8255 PPI ports (mode 0)
Buffer output for higher driving capability
DIO response time is about 0.77 μs (1.3 MHz max.)

产品规格：Programmable Digital I/O
Channels
48
Digital Input
Compatibility
5 V/TTL
Input Voltage
Logic 0: 0.8 V max. Logic 1: 2.0 V min.
Response Speed
1.2 kHz/MHz (Typical)
Digital Output
Compatibility
5 V/TTL
Output Voltage
Logic 0: 0.4 V max. Logic 1: 2.4 V min.
Output Capability
Sink: 64 mA @ 0.8 V Source: 32 mA @ 2.0 V
Response Speed
1.2 kHz/MHz (Typical)
Timer/Counter
Channels
2 (Event Timer x 1/32-bit Timer x 1)
Resolution
16-bit
Compatibility
5 V/TTL
Reference Clock
Internal: 4 MHz
General
Bus Type
PCI Express x 1
Data Bus
8-bit
Card ID
Yes (4-bit)
I/O Connector
Female DB37 x 1 50-pin box header x 1
Dimensions (L x W x D)
172 mm x 112 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