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HE693ADC406

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SKU 2175052  UPC 0799705800687

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MSRP $3995

"Like New Condition"

Remanufactured

$1250

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2 In Stock

2 Year warranty

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"Avg. Repair - 2 Days"

Repair Service

$995

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2 Year warranty

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Other Available Revisions for the HE693ADC406 AABBCCDDEEFFGGHHIIJJKKLLMMNNOOPPQQRRSSTTUUVVWWXXYYZZ

The Horner Millivolt Input Modules (HE693ADC406 / 409) permit DC millivolt-level signals to be connected to the PLC directly without processing external signals (transducers, transmitters, etc.). The module processes analog and digital signals and millivolt values are written to the PLC %AI input table with 14-bit resolution. The module has 4 channels and an input range that is selectable from +/-25mVdc, +/-50mVdc, and +/-100mVdc. The configuration software or a Hand-Held Programmer (HHP) allow an input range to be selected. Selectable digital filtering can aid by providing a steady input signal in a loud environment. Field wiring is made to a removable 20-pin terminal strip. 

Technical Specifications


Power Consumption

100mA @ 5VDC
Number of Channels 4
I/O Required 4 %AI
Strain Gages Supported Bridged (Load Cell)
Input Range  +/-25mV, +/-50mV, and +/-100mV
Resolution 3μV, 6μV, 9μV, respectively
Accuracy +/-0.05%
Input Impedance  >20 Mohms
Maximum Safe Overload +/-35VDC
Common Mode Range +/-12VDC
A/D Conversion Type Integrating
Module Update Rate 35 Channels per second
Operating Temperature 0 to 60°C (32 to 140°F)
Relative Humidity 5% to 95% non-condensing

Technical Information

Power Consumption

100mA @ 5VDC
Number of Channels 4

I/O Required

4 %AI

Strain Gages Supported Bridged (Load Cell)
Input Range +/-25mV, +/-50mV, and +/-100mV
Resolution 3μV, 6μV, 9μV, respectively
Accuracy +/-0.05%
Input Impedance >20 Mohms
Maximum Safe Overload +/-35VDC
Common Mode Range +/-12VDC
A/D Conversion Type Integrating
Module Update Rate 35 Channels per second
Operating Temperature 0 to 60°C (32 to 140°F)
Relative Humidity 5% to 95% non-condensing
  • Question: What is a HE693ADC406? Answer: The HE693ADC406 allows DC millivolt-level signals to be connected to a PLC directly without processing external signals such as transducers, transmitters, etc. 
  • Question: What is the main power requirement for the HE693ADC406? Answer: The main power source for this unit comes from 100mA @ 5VDC which is supplied by the PLC power supply.
  • Question: How can I minimize capacitive loading and noise? Answer: Shielded, twisted-pair extension wiring offers the best noise immunity. 
  • Question: Where should the shields be connected to? Answer: Shields may be connected at the module's end. Terminals 19 and 20 may be used as the shield ground point.
  • Question: Can I change the number of channels or the voltage on this device? Answer: Yes, you can. This is a 4 channel unit.
  • Question: What is a good way to test the HE693ADC406? Answer: The best method to test this unit is to use a millivolt generator to probe each channel for consistency and stability. 
  • Question: How to tell if your HE693ADC406 is faulty. Answer: Reference the response to each channel. Check for consistency and stability in the I/O tables. 
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