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CyberResearch
®
Digital I/O
UCERB 24
CyberResearch, Inc
.
v
25 Business Park Drive
P: (203) 483-8815; F: (203) 483-9024
Branford, CT USA
www.cyberresearch.com
Preface About this User’s Guide..........................................................................................1
What you will learn from this user’s guide..........................................................................1
Conventions in this user’s guide ..........................................................................................1
Chapter 1
Introducing the UCERB 24......................................................................................2
Overview: UCERB 24 features................................................................................2
USB-ERB24 block diagram.....................................................................................3
Software features .....................................................................................................3
Connecting a USB-ERB24 to your computer is easy ..............................................4
Chapter 2
Installing the USB ERB24 .......................................................................................5
What comes with your USB-ERB24 shipment?......................................................5
Hardware..................................................................................................................5
Software ...................................................................................................................5
Unpacking the UCERB 24.......................................................................................6
Installing the UCERB 24 .........................................................................................6
Configuring the hardware switches ........................................................................6
Connecting the external power supply ....................................................................7
Connecting the UCERB 24 to your system ............................................................8
Installing the software..............................................................................................9
Chapter 3
Functional Details ..................................................................................................14
Internal components...............................................................................................14
USB in connector...................................................................................................14
USB out connector.................................................................................................14
External power connectors.....................................................................................14
USB LED ...............................................................................................................15
PWR LED ..............................................................................................................15
Invert/non-invert switch (S1).................................................................................15
Pull-up/pull-down switch (S2)...............................................................................16
Screw terminals......................................................................................................16
Daisy chaining additional relays to the UCERB 24...............................................16
Power limitations using multiple UCERB 24 Devices ..........................................17
Voltage drop...........................................................................................................17
Relay configuration................................................................................................17
Relay contact protection circuit for inductive loads ..............................................18
Chapter 4
Specifications.........................................................................................................19
Output specifications .............................................................................................19
Power .....................................................................................................................20
External power input..............................................................................................20
External power output............................................................................................20
USB specifications.................................................................................................21
Relay contact pull-up/down option........................................................................21
Mechanical.............................................................................................................21
Environmental........................................................................................................21
Содержание UCERB 24
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