HIMA F3503 SILWORX

HIMA F3503 SILWORX

Product Introduction The F3503 is compact integrated SIL3 safety controller from HIMA HIMatrix series. It integrates CPU, analog input, digital input and digital output inside one compact unit. SILWORX is the dedicated engineering software for programming, configuration, simulation and commissioning of this controller. The F3503 executes safety logic program, collects field analog and digital signals, and drives safety outputs for emergency shutdown, burner management and safety interlock systems. It supports SafeEthernet for distributed safety network communication.

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Description

HIMA F3503 SILWORX

Technical Specifications

  • Product Type: Compact integrated safety controller
  • Safety Level: SIL3, TÜV certified
  • I/O Configuration: 8 analog inputs, 24 digital inputs, 8 digital outputs
  • Built-in Function: 2 safety counters up to 100kHz
  • Communication Ports: 4 × 10/100 Mbps SafeEthernet RJ45 ports
  • Programming Tool: SILWORX engineering software
  • Power Supply: 24 VDC
  • Protection Rating: IP20
  • Operating Temperature: -10 °C to +60 °C
  • Mounting: DIN rail mounting

Functional Features

  1. All-in-one compact safety controller integrates CPU and mixed I/O channels.
  2. Dual redundant core processing architecture for SIL3 fault tolerance.
  3. Continuous cross-comparison of calculation results between dual processors.
  4. SafeEthernet communication supports distributed safety network connection.
  5. SILWORX software supports program editing, offline simulation, parameter download and project management.
  6. Sequence of events recording function for high precision event timestamp logging.
  7. Non-volatile flash memory stores safety program, parameters and fault logs.
  8. Hardware watchdog timer triggers safe state transition upon CPU failure.
  9. Built-in self-test runs automatically during startup and cyclic operation.
  10. Supports multitasking and online program reload with license activation.

Application Scenarios

  • Small and medium petrochemical plant emergency shutdown system
  • Boiler and furnace burner management safety system
  • Offshore platform compact safety instrumented system
  • Chemical reactor local safety protection system
  • Power plant auxiliary equipment safety interlock system

Material Composition

  • Housing: Reinforced flame-retardant polycarbonate plastic casing
  • Main PCB: FR4 high reliability printed circuit board with conformal coating
  • Processing cores: Dual safety microprocessors
  • Memory chips: Flash memory and SRAM
  • Backup component: Gold capacitor for real-time clock backup
  • Communication connectors: RJ45 Ethernet ports
  • Terminal block: Copper alloy screw terminals for field wiring

Structural Characteristics

  • Rectangular compact DIN rail mounting housing.
  • Front panel with LED indicators for power, run, fault and communication status.
  • Front side RJ45 Ethernet ports for SafeEthernet network connection.
  • Upper and lower terminal blocks for field analog and digital I/O wiring.
  • Internal dual processor circuits run in separated circuit zones.
  • Passive cooling design without cooling fan.

Working Principle After power on, F3503 executes comprehensive hardware self-test. Dual independent processors run identical safety program and cross-check calculation results every scan cycle. The controller reads analog and digital field signals from built-in I/O channels. When safety trip condition is satisfied, the controller drives safety outputs to predefined safe state. Watchdog circuit monitors processor operation continuously. If mismatch or program halt occurs, the controller forces all safety outputs to safe state and records fault event. SILWORX software downloads compiled safety program to controller and supports online diagnosis.

Installation Requirements

  • Mount F3503 on standard DIN rail inside control cabinet.
  • Maintain clearance above and below unit for natural convection heat dissipation.
  • Use shielded twisted pair cable for SafeEthernet network wiring.
  • Separate safety signal cables from high-power motor cables.
  • Complete protective earth connection for controller and cabinet.
  • Download compiled safety program from SILWORX software after installation.
  • Perform full system proof test to validate safety logic.
  • Set up user access password for program modification protection.

Usage Notes

  • Do not remove controller from DIN rail when safety system remains online.
  • Backup safety program and configuration before any modification.
  • Keep cabinet free of corrosive gas, oil mist and conductive dust.
  • Perform SIL proof test periodically according to safety requirement.
  • Do not modify internal hardware components.
  • Reset fault log only after root cause of fault is fully resolved.
  • Verify network communication after any network wiring modification.

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