The part number DX-9100-8454 is a Johnson Controls DX-9100 Extended Digital Controller (Version 2). It is a programmable plant controller used in HVAC and building automation systems, part of the Metasys® family, and an updated successor to the DX-9100-8154.

Specification & Description of DX-9100-8454

• Manufacturer/Brand: Johnson Controls
• Series: DX-9100 Extended Digital Controller
• Version: 8454 (Version 2)
• Type: Programmable digital plant controller
• Inputs/Outputs:
  • Analog Inputs (AI): For sensors (temperature, humidity, pressure, etc.)
  • Digital Inputs (DI): For switches, counters, and status signals
  • Analog Outputs (AO): For modulating devices (valves, dampers, actuators)
  • Digital Outputs (DO): For relays, fans, pumps, and binary devices
• Control Functions:
  • Real-time scheduling
  • Optimal start/stop modules
  • Adaptive process control
  • Programmable function blocks (PID loops, logic, timers)
• Networking:
  • Compatible with Metasys N2 bus for integration with building automation systems
  • Supports extension modules for expanded I/O capacity
• Power Supply: 24 VAC
• Enclosure: Compact housing for panel mounting
• Reset/Startup: Battery backup with replacement options