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USB-4751/4751L
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: 0.4 V max.
Logic 1: 2.4 V min.
Output Capability Sink: 0.4 V @ 8 mA
Source: 2.4 V @ 4 mA
Counter/Timer
Channels 3
Resolution 2 x 16-bit counters, or 1 x 32-bit counter
1 x 16-bit event counter
Compatibility 5 V/TTL
Max. Input Frequency 10 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: 5 V @ 200 mA
Max: 5 V @ 300 mA
Operating Temperature 0 ~ 60° C (32 ~ 140° F) (refer to IEC 68-2-1, 2)
Storing Temperature -20 ~ 70° C (-4 ~ 158° F)
Storing Humidity 5 ~ 95% RH, non-condensing (refer to IEC 68-2-3)
Ordering Information
USB-4751 48-ch TTL Digital I/O USB Module
USB-4751L 24-ch TTL Digital I/O USB Module
Introduction
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.
Compatible with USB 1.1/2.0
Portable
Bus-powered
48/24 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
Lockable USB cable for rigid connection
48/24-ch TTL DI/O USB Modules
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
(71 pages)
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