• 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.)

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