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EECI ADC-4U11 Technical Reference

Analog to digital converter
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ADC-4U11
ANALOG TO DIGITAL
CONVERTER
TECHNICAL REFERENCE
Click for more info:
www.eeci.com/adc-4u11p.htm
PHONE...................
(937) 349-6000
ORDERS................
(800) 842-7714
TECH SUPPORT...
(937) 349-6000
E-mail.....................
sales@eeci.com
www.eeci.com

TABLE OF CONTENTS

Specifications.......................................... page 1
Connection Diagram and Warranty......... page 2
Technical Support................................... page 2
Terminal Block Connections.................... page 2
Set-Up and Testing................................. page 3 & 4
Device Manager...................................... page 4
Trouble-Shooting..................................... page 5
Input & Relay Expansion Ports............... page 5
Auto Start-Up.......................................... page 6
The ADC-4U11 Data Logger................... page 7
Programming Examples......................... page 7
Voltage Reference for the analog inputs. page 8
Single Ended Analog Inputs.................... page 8
Analog Scaling and Differential Inputs.... page 9
Voltage Inputs and Sensor Interfacing.....page 10 & 11
Input Amplification and Conditioning..... page 11
Mounting..................................................page 11
SPECIFICATIONS
Power Supply....................... Powered from USB port (5 volts DC)
Operating Temp. Range......
-40° C to +85° C
Serial Data Protocol............. 75 to 6,000,000 baud - auto detect (defaults to 115,200 baud)
Full duplex operation (data bits, parity, stop bits will auto detect)
Maximum Sampling Rate...... 100 samples per second or better
Analog Inputs....................... 4 single-ended inputs (11 bit resolution)
or 2 fully differential inputs (12 bit resolution)
(11 bit resolution will divide your measurement range into 2048 different increments)
(12 bit resolution will divide your measurement range into 4,096 different increments)
Expansion Capability............ expandable to control up to 144 relays/inputs (or combinations) using
EX-8M, EXM-8, EXM-16 or EXM-32 Relay I/O Expansion Modules
Interface..............................
USB (also available in WiFi version (ADC4-11WIFI), Ethernet version
(ADC4-11FENET) RS-232 version (ADC4-11RS232) or
RS-485 version (ADC4-11RS485))
Software Compatibility.........
Windows XP, Vista, Windows Server, Windows 7, 8.1, Windows 10 and Windows 11
Weight.................................
.5 ounce
Size...................................... 1.875 inches by 2.5 inches
Please see page 12 for additional specifications.
page 6
Page 1

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Summary of Contents for EECI ADC-4U11

  • Page 1: Table Of Contents

    Input & Relay Expansion Ports....page 5 ANALOG TO DIGITAL The ADC-4U11 User Interface..page 6 Auto Start-Up.......... page 6 The ADC-4U11 Data Logger....page 7 CONVERTER Programming Examples......page 7 Voltage Reference for the analog inputs. page 8 Single Ended Analog Inputs....page 8 TECHNICAL REFERENCE Analog Scaling and Differential Inputs..

  • Page 2: Technical Support

    Com driver from your CD by clicking on the "Install USB Com Driver" button (b efore installing a new USB com driver, The ADC-4U11 Analog to Digital Converters are warranted against factory defects for a period of 90 days from the go to Control Panel/Device Manager/Ports to check if a Prolific driver is shown (expand the category by clicking on the date of purchase.

  • Page 3: Trouble-Shooting

    When using a 9 volt smoke detector battery, use a multimeter to check for the correct voltage (2) Verify that the Prolific USB to Serial Comm Port entry is the com port used by your ADC-4U11. You may do this by since the voltage can go well over the reference voltage if the potentiometer is turned beyond 10K.

  • Page 4: The Adc-4U11 User Interface

    'To use these example, copy the code module (supplied on your CD) to a sub called readInputs(). From the toolbox, Available com ports are updated by clicking the "Com drag (4) labels and a timer control to your form. Insert the following code into the timer sub. The (4) ADC-4U11 analog Port" button under Setup.

  • Page 5: Single Ended Analog Inputs

    SINGLE ENDED ANALOG VOLTAGE INPUTS The ADC-4U11 may be set to accept (2) fully differential inputs in place of the (4) single ended inputs. The differential voltage input range is determined by the reference setting as shown on the previous page. The differential input signal Voltages up to hundreds of volts may be divided down to the 5 volt range by using a simple resistance divider as connects to terminals 1 and 2 for differential channel 1 and terminals 3 and 4 for differential channel 2.
  • Page 6 FOR ON/OFF STATUS The ADC-4U11 defaults to a 0 to 4.096 volt input range (setup allows input ranges as low as 0 to .25 volts). When the input voltage range is required to be lower, (such as with a watt transducer or load cell) an external instrumentation Fuse or Limiting Resistor (330 ohm 1 watt) amplifier must be used to amplify the input signal to the 0 to 4 volt input range of the ADC.
  • Page 7 *International & Domestic Check the Start Minimized box to start the ADC-4U11 device driver in "driver only" mode. Blue 4 icon will show in your system tray. Copyright 2014 - 2022 Electronic Energy Control, Inc. All Rights Reserved...

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