The Johnson Controls FM-OAP103-0 is an obsolete analog-to-pneumatic output function module designed to convert a 4–20 mA electrical signal into a proportional pneumatic pressure output.
Technical Specifications
- Part Number: FM-OAP103-0
- Manufacturer: Johnson Controls
- Product Type: Analog to Pneumatic Output Module
- Series: Metasys (FM)
- Input Signal: 4–20 mA DC
- Output Signal: 3 to 15 psig (Adjustable)
- Supply Pressure: 20 psig (Nominal)
- Application: Used with FM-OAP102-0 Manual Module
Key Features
- Converts a modern 4–20 mA electronic signal into a proportional pneumatic air pressure signal.
- Allows digital controllers to operate older pneumatic valves and damper actuators.
- Works in tandem with an FM-OAP102-0 manual module for Auto/Manual control.
- An essential component for retrofitting and integrating legacy pneumatic systems.
Typical Applications
- Interfacing a modern DDC controller with existing pneumatic actuators in an air handling unit.
- Retrofitting building automation systems while retaining existing pneumatic infrastructure.
- Controlling pneumatic valves and dampers in a legacy central plant application.
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