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Johnson Controls Metasys FA FA-AHU102-0

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FA-AHU102-0

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The FA-AHU102-0 from Johnson Controls is an AUH controller board designed for utilizing DIP switches for configuration. This module supports binary addressing, facilitating specific settings with its seven switches.

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Technical specifications for FA-AHU102-0

ManufacturerJohnson Controls
Product LineMetasys FA
Part NumberFA-AHU102-0
Weight0.50 lbs (0.23 kg)
Unit TypeAUH Controller Board
Switch TypeDIP switches
Number of switches7
Switch states2
Addressing typeBinary
Current Range0 to 20 mA, 4 to 20 mA
Voltage (V)0 to 10 VDC, 0 to 5 VDC, 1 to 5 VDC, etc.
Resistance (T) (Temperature)1,000 ohm Nickel, Platinum, or Silicon, 0 to 2K ohm pot
Reset optionYes, Jumper connection
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The Johnson Controls FA-AHU102-0 is tailored as an AUH controller board that offers essential functionality in a compact form. Featuring seven DIP switches, it allows users to customize settings easily. Each switch has two distinct states allowing for binary addressing, enhancing configuration precision.

This controller is versatile in operation, accommodating a current range between 0 mA and 20 mA, including a standard 4 to 20 mA variation. Voltage inputs can be selected from multiple options like 0 to 10 VDC, 0 to 5 VDC, and a 1 to 5 VDC range, catering to various requirements.

The module supports temperature sensing through resistance options, using materials such as 1,000 ohm nickel, platinum, or silicon thermistors. It also accepts a potentiometer up to 2K ohms, providing additional measurement flexibility.

A reset feature is integrated into the design, which can be accessed via a jumper connection, facilitating quick system recovery when necessary. Compact spacing of 2.54 mm between components ensures efficient use of space within systems. Overall, the FA-AHU102-0 module presents a reliable solution for effective control in HVAC applications.