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The FX-PC Series Programmable Controller family comprises a group of versatile controllers and accessories designed to monitor and operate a wide variety of commercial HVAC equipment and other building systems.


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FX PC Controllers

26-point Advanced Application Programmable Controller with 8 UI, 6 BI, 6 triac type BO, and 6 AO, 24 VAC, FC Bus, SA Bus, Integral Real-Time Clock with Time-Based Control Functionality.


  • Supports peer-to-peer communications
  • Continuous Tuning Adaptive Control provides more efficient controls and reduces level of manual intervention
  • Advanced diagnostics for failure detection, resolution and prevention
  • Field Equipment Controllers have been tested by the BACnet Testing Labs (BTL) and are certified as BACnet Application Specific Controllers
  • PCA models feature an integral real time clock with on-board time schedules, calendars, trends and alarms and are certified as BACnet Advanced Application Controllers (B-AAC)

Inputs8 UI + 6 BI

Outputs6 AO + 6 BO

Supply Voltage24 VAC

Integral DisplayNo

Communications BusBACnet MS/TP 3-wire FC Bus between the supervisory controller and field controllers; 4-wire SA Bus between field controller, network sensors, and other sensor/actuator devices, includes a lead to source 15 VDC supply power (from field controller) to bus devices.

Power Consumption14 maximum VA

Operating Ambient Conditions0 to 50°C (32 to 122°F); 10 to 90% RH noncondensing

ProcessorRX631 32-Bit Renesas® microcontroller

Memory16 MB flash memory and 8 MB RAM

Real-Time Clock Backup Power SupplySuper capacitor maintains power to the onboard real-time clock for a minimum of 72 hours when supply power to the controller is disconnected.

MountingHorizontal on single 35 mm DIN rail mount (preferred), or screw mount on flat surface with three integral mounting clips on controller

HousingEnclosure material: ABS and polycarbonate UL94 5VB; Self-extinguishing, Plenum-rated Protection Class: IP20 (IEC529)

Dimensions (HxWxD)150 x 224 x 57.5 mm (5-7/8 x 8-3/4 x 2-1/4 in.) including terminals and mounting clips

Weight0.5 kg (1.1 lb)

Compliance:- United StatesUL Listed, File E107041, CCN PAZX, UL 916, Energy Management Equipment FCC Compliant to CFR47, Part 15, Subpart B, Class A

Compliance:- CanadaUL Listed, File E107041, CCN PAZX7 CAN/CSA C22.2 No. 205, Signal Equipment Industry Canada Compliant, ICES-003

Compliance:- EuropeJohnson Controls declares that this product is in compliance with the essential requirements and other relevant provisions of the EMC Directive.

Compliance:- Australia and New Zealand:RCM Mark, Australia/NZ Emissions Compliant

Compliance:- BacnetBACnet Testing Laboratories™ (BTL) BACnet Advanced Application Controller (B-AAC) certification pending

Net Weight: 0.5kg

Product Dimension:Width 220 mmLength57.5 mmHeight150 mm

Working Days

Document TypeLanguage
Last Update DatePreviewDownloadsCopy Link
FX-DIS Local Controller Display_1900674
EN 06 2017
FX-PCA Advanced Application Programmable Controller_1900818
EN 03 2019
FX-PCG General Purpose Programmable Controllers_1900670
EN 03 2019
PCA Advanced Application Programmable Controllers_1901069
EN 03 2019
FX-DIS European Catalog Page
EN 2021
FX-PCA European Catalog Page
EN 2021
FX-PCG European Catalog Page
EN 2021
PCA European Catalog Page
EN 2021
FX Programmable Controllers
EN 02 2020
FX-PC Series Programmable Controllers_12011657
EN 11 2020
FX-DIS Local Controller Display_12011667
EN 03 2019
FX-PC Series Programmable Controllers and Related Products_12011657
EN 03 2019
FX-PC Series N2 Programmable Controllers and Related Products_12011809
EN 03 2019
EN 03 2019
EN 03 2019
EN 03 2019
EN 03 2019
EN 03 2019
EN 03 2019
EN 03 2019
PCA3613 Advanced Application Programmable Controller_24-10143-1175
EN 11 2020
PCA2513 Advanced Application Programmable Controller_24-10143-1167
EN 11 2020
FX-PCA4911 Advanced Application Controller_24-10143-01531
EN 11 2020