USB-4751

48-ch Digital I/O USB Module

The USB-4700 series consists of true Plug & Play data acquisition devices. No more opening up your computer chassis to install boards-just plug in the module, then get the data. It’s easy and efficient. USB-4751/4751L is a 48/24-bit digital I/O module for the USB bus. Its 48/24 bits are divided into six/three 8-bit I/O ports and users can configure each port as input or output via software. USB-4751/USB-4751L also provides one event counter and three 16-bit timers, which can be cascaded to become a 32-bit timer.

Main Features :

  • Compatible with USB 1.1/2.0
  • Portable
  • Bus-powered
  • 48 TTL digital I/O lines
  • Emulates mode 0 of 8255 PPI
  • Buffered circuits for higher driving capacity than 8255
  • Interrupt handling
  • Timer/Counter interrupt capability
  • Supports both dry and wet contact
  • 50-pin Opto-22 compatible box header
  • Suitable for DIN-rail mounting
  • One lockable USB cable for secure connection included

 

 

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Datasheet

 

Specifications
Digital Input Channels 48/24 (shared with output)
Compatibility 5 V/TTL
Input Voltage Logic 0: 0.8 V max.
Logic 1: 2 V min.
Digital Output Channels 48/24 (shared with input)
Compatibility 5 V/TTL
Output Voltage Logic 0: 0.5 V max.
Logic 1: 3.8 V min.
Output Capability Sink: 12 mA @ 0.5 V
Source: 12 mA @ 3.8 V for single Channels
5 mA @ 3.8 V for all Channels in High status
Counter/Timer Channels 2
Resolution 32-bit
Max. Input Frequency 8 MHz
General Bus Type USB 1.1/2.0
I/O Connectors 50-pin IDC male connectors, pin assignments are fully
compatible with Opto-22 I/O module racks
Dimensions (L x W x H) 132 x 80 x 32 mm
Power Consumption Typical: 200 mA @ 5 V
Max.: 500 mA @ 5 V
Operating Temperature 0 ~ 60° C (32 ~ 140° F) (refer to IEC 68-2-1, 2)
Storage Temperature -20 ~ 70° C (-4 ~ 158° F)
Storage Humidity 5 ~ 95% RH, non-condensing (refer to IEC 68-2-3)

 

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