Basic Product Info

• Model: TK-FXX102, drawing PN: 97126875-A01, engineering PN: 51309223-125
• Series: Experion PKS Series A C200 controller rack
• Version feature: PCB conformal coated backplane (TK prefix = anti-corrosion coating for chemical/refinery corrosive cabinets)
• Slot capacity: Total 10 universal slots for hot-plug modules
• Net weight: 1.4kg, standard 19-inch cabinet rack mounting

Core Electrical & Backplane Specs

1. Power Distribution Bus
   • External input: 24VDC nominal, max input current 10A
   • Internal logic power rails distributed by backplane:
     • 5.1VDC: 15A / 6A dual rail
     • 3.3VDC: 4A / 4A dual rail
   • Power conversion efficiency >90%, ripple noise <50mV peak-to-peak
2. High-Speed Passive Backplane Bus
   • Deterministic parallel data bus for C200 CPU, TK-PRS021 CPU, TK-PRR021 redundancy module, power modules and I/O cards
   • Dual redundant communication traces to avoid single bus failure
   • Gold-plated slot connectors for long-term vibration resistance
3. Hardware Protection
    
   Overcurrent, short-circuit fuse protection for each slot power rail; short-circuit of one module will not crash the whole rack

Slot Allocation & Compatible Modules

• TK-PRS021 / TC-PRS021 C200 main controller CPU
• TK-PRR021 / TC-PRR021 redundancy synchronization module
• TK-FPCXX2 / TK-FPDXX2 redundant power supply modules
• Analog/digital I/O cards, communication interface modules
• All modules support hot-swap without rack power shutdown

Mechanical & Environmental Features

1. Structure
    
   Integrated metal shielding frame to suppress EMI from inverters, large motors; built-in rear cable routing channel for power/signal cable separation
2. Coated PCB Advantage
    
   Backplane circuit board with conformal coating, resist moisture, chemical vapor, salt fog, dust; suitable for coastal offshore, petrochemical corrosive environments
3. Operating Conditions
    
   Operating temperature: 0℃ ~ +60℃; storage: -40℃ ~ +85℃
    
   Humidity: 5%–95% RH non-condensing; IP30 indoor cabinet only
4. Diagnostics
    
   Dedicated power status LED terminals on rack edge to monitor backplane rail undervoltage/overcurrent fault

Core Working Functions

1. Mechanical mounting carrier for all C200 control node modules
2. Unified power distribution from redundant power modules to every slot
3. High-speed parallel backplane bus to realize real-time data exchange between CPU, redundancy board and I/O modules
4. Provide grounding bus bar for all inserted modules to eliminate ground loop interference
5. Support 1:1 hot standby redundant CPU configuration (2× CPU + 2× redundancy module in same rack)

Matching Supporting Components

1. Redundant power supply: TK-FPCXX2 (AC input) / TK-FPDXX2 (24VDC input)
2. Redundancy set: 2× TK-PRS021 CPU + 2× TK-PRR021 sync module + dedicated redundancy cable
3. I/O modules: TC/8C series AI/AO/DI/DO logic cards + matching IOTA terminal bases
4. Field wiring: Independent IOTA terminal boards (e.g. 8C-TAIMA1, 8C-TDODA1) separate from this rack chassis

Key Advantages

1. 10-slot high-density layout, one rack integrates CPU, redundancy, power and multi-point I/O for small-to-medium control nodes
2. Conformal coated backplane, specially designed for harsh corrosive industrial sites
3. Dual redundant power & communication bus design, eliminate single-point failure
4. Full hot-swap support for all modules, maintenance without plant shutdown
5. Industrial-grade shielding, stable operation under strong electromagnetic interference
6. CE, UL, SIL2 compliant for critical continuous process control

Typical Application Scenarios

• Petrochemical refinery, natural gas plant core C200 DCS control nodes
• Thermal power boiler, turbine auxiliary control racks
• Chemical reactor, batch production safety interlock control systems
• Offshore oil & gas platform process monitoring cabinets
• Water treatment, sewage plant central DCS control units
• All industrial sites using Honeywell Experion PKS C200/C200E series controllers