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AD-16 AD-32
ANALOG TO DIGITAL
EXPANSION CARD
TECHNICAL REFERENCE
ELECTRONIC ENERGY CONTROL, INC.
14960 Maple Ridge Rd
Milford Center OH 43045-9016
USA
PHONE*.................
(937) 349-6000
ORDERS................
(800) 842-7714
TECH SUPPORT...
(937) 349-6000
E-mail*....................
sales@eeci.com
Web*........................
http://www.eeci.com
*International & Domestic
TABLE OF CONTENTS
Specifications....................................... page 1
Technical Support and Warranty ........ page 1
Connection Diagram And Rct-8.......... page 2
Set-Up, Testing & Trouble-Shooting..... page 3 & 4
Temperature Input................................ page 5
Input Amplification And Conditioning..... page 6
Differential Input & Optocouplers.......... page 6
Voltage Reference Inputs..................... page 7
Analog Inputs And Interfacing............... page 8
10 Bit Analog Inputs.............................
Control Software................................... page 11
Programming Examples......................... page 11
Rack Mounting....................................... page 12
Use Of Mounting Panels......................... page 12
Repair Service....................................... page 12
SPECIFICATIONS
Power Supply....................... 5 volts DC (powered thru RC-20 ribbon cable to AR-8X, ADC-16 OR STA-16)
Operating Temp. Range......
-40° C to +85° C
Analog Inputs....................... 16 or 32 single-ended inputs (standard 8 bit resolution or optional 10 bit resolution)
(8 bit resolution will divide your measurement range into 256 different increments)
(10 bit resolution will divide your measurement range into 1,024 different increments)
Weight.................................
3.5 ounces
Size...................................... 7 inches by 5 inches
Options Available.................
10 Bit Resolution
Temperature Input
TECHNICAL SUPPORT
Technical support for our products is available by calling (937) 349-6000. If a technical adviser is not available,
please leave your name, phone number and a time that you can be reached. Your call will be returned as soon as
possible and within 24 hours. Before contacting technical support be sure that you have your PC and interface
hardware powered up with a telephone at hand. The interfacing hardware (ADC-16, ST-32, etc.) should not be inside
an enclosure and should be immediately accessible. A multimeter should be available for checking voltage levels and
the test software provided with your hardware should be ready to run.
WARRANTY AND CARE OF THE AD-16
The AD-16 Analog to Digital Converter is warranted against factory defects for a period of 90 days from the date of
purchase. The AD-16 has proven to be extremely reliable in actual operation during field tests. We recommend that
the AD-16 and associated hardware be installed in a suitable enclosure (4 mounting holes are provided on the circuit
board) and that reasonable precautions be taken to protect the circuit from static discharge. The most likely damage
to occur is that caused by lightning discharge through the power supply or serial I/O lines. The best way to prevent
this type of damage is to install a Power Protector (Part # SP-120 or Radio Shack #26-1395 or Surgebuster
#120K15A) in the electrical outlet which supplies power to the hardware. Sheilding the analog input lines will provide
additional protection. If further protection is desired, install a TransZorb* across the power input to the interface card
(part #SP-12K) and to the RS-232 lines (part #SP-232K). *the ADC-16 may be ordered with TransZorb (T option)
page 10
Page 1
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Table of Contents
Summary of Contents for EECI AD-16
- Page 1 (937) 349-6000 ORDERS....(800) 842-7714 The AD-16 Analog to Digital Converter is warranted against factory defects for a period of 90 days from the date of TECH SUPPORT... (937) 349-6000 purchase. The AD-16 has proven to be extremely reliable in actual operation during field tests. We recommend that E-mail*....
- Page 2 8 numbers represent the analog inputs for port #2. The additional rows represent the analog inputs for the AD-16 or AD-32 (you may need to check the box below the row the enable the inputs).The numbers may be fluctuating as a result of noise on the analog inputs (this is normal).
- Page 3 RCT-8 CONNECTION DIAGRAM OPTIONAL TEMPERATURE INPUTS FOR THE ADC-16 AND ADC-8 The ADC-16, AD-16 and AD-32 may be configured for temperature input by specifying the E and/or F options when Analog Input #1 ordering the ADC-16. The inputs are converted to temperature in groups of eight. The ADC-16 may be ordered with 8...
- Page 4 VOLTAGE INPUT AMPLIFICATION AND SIGNAL CONDITIONING 317 adjustable voltage regulator, 500 ohm trimmer, 240 ohm and 390 ohm resistors on the top right side of the ADC-16. The ADC-16 defaults to a 0 to 5 volt input range (installation of a voltage reference will allow input ranges as low as 0 to MODE (3)..(8 bit only) Adjusted voltage reference input.
- Page 5 IMPORTANT: The full scale voltage used should be the highest possible voltage that could be present at the high voltage input. FIGURE B FIGURE A FIGURE C Switch or Relay AC voltages may be applied to the high voltage input if a diode is connected in series and a filter capacitor (100 mf, Contacts etc.
- Page 6 0 to 255 decimal (0 = 0 voltage at the analog input, 255 = full scale voltage, 128 = half 180 FOR X=1 TO 16 scale voltage, etc.). The ADC-16 will only recognize channel codes 0 to 15 (or 0 to 31 with the AD-16 or ST-32 190 PRINT ASC(A$(X));" "...
- Page 7 The use of an extended length RC-20 ribbon cable will be necessary when the AD-16 or ST-32 expansion cards are used with the EX-16 or EX-32 expansion cards (add one inch for each AD-16 or ST-32 card). TYPICAL MOUNTING CONFIGURATION...
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