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USB 40 - 20
DIGITAL INTERFACE

USB

USB 1.1 or USB 2.0 PC Windows based. Requires Windows 98SE, ME, XP, 2000.

40 general purpose I/O lines are available which will be typically connected to Switches, LEDs, Relays, BCD Data channels, Pushbuttons etc.


USB 40 20 DIGITAL INTERFACE

1u I/O unit for PC based Process Control / Test Equipment applications

RELAY DRIVES

INPUT / OUTPUT

The 20 high current relay drive outputs are intended for driving relays, contactors, solenoids, lamps etc. Each output may sink up to 250mA DC from an external power source of up to 30V. Outputs are open circuit transistors and fitted with protection diodes. Any output may be changed without affecting any other output or any of the low level I/O lines. All outputs may be set or reset by a single command. 40 general purpose I/O lines are available which will be typically connected to Switches, LEDs, Relays, BCD Data channels, Pushbuttons etc. I/O lines may be allocated as input or output with no restrictions. Lines may be changed from input to output or vice versa under programme control. In output mode, individual lines may be set high or low, or a group of 4 lines (port) may be written at one time with its hexadecimal equivalent. Any port may be read as a complete entity. Lines in input mode will return the condition of the externally applied signal, whereas lines in output mode will return the value of the last internally applied output. OUTPUT commands will change the appropriate lines to output mode automatically.
APPLICATIONS
- Process Control
- Automatic Test
- Machine and sequence control
- Interfacing BCD Inputs and Outputs

SPECIFICATION

GENERAL

Relay Drives The 20 relay drive outputs are open collector drives with 250mA 30V capability. Protection diodes are included and must be used with inductive loads. Connectors
I/O lines: Two 25 way standard female D types.
Relays: One 25 way standard female D type.
Mechanical 19 inch rack mountable
1U width 270mm depth.
Supply 230VAC or 110VAC versions available.
Input / Output I/O lines are TTL compatible with 25mA source and sink capability. In Input mode the appropriate lines are high impedance. (typ 10M)

ORDERING INFORMATION

Part No
Interface USB 1.1 or USB 2.0 PC Windows based. Requires Windows 98SE, ME, XP, 2000. USB 40-20 - 230VAC version
USB 40-20 - 110VAC version
USB40-20/230
USB40-20/110
Software High speed drivers supplied. Frameworks and demonstration software provided for VC++ and VB.

FULL DATA SHEET AVAILABLE

 

 

 

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USB 40-20 DIGITAL INTERFACE NEW

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