ICS Triplex P153DL002

Technical Specifications

• Input Channel Count: 16 galvanically isolated digital input channels
• Field Input Voltage Compatibility: 24 VDC nominal field supply, compatible with 12–30 VDC wide range dry contact sensors
• Channel Isolation Voltage: 500 VAC channel-to-logic and channel-to-channel isolation
• Signal Response Latency: <1 ms typical high-speed trip signal capture response time
• TMR Bus Interface: Triple redundant internal backplane communication bus with cross-channel voting logic
• Diagnostic Functions: Continuous wire-break detection, field power loss monitoring, channel short-circuit self-test, backplane bus parity error checking
• Certifications: TÜV SIL 3 IEC 61508, ATEX / IECEx hazardous area compatible, CE EMC compliant
• Operating Temperature Range: -20°C to +70°C
• Storage Temperature Range: -40°C to +85°C
• Environmental Humidity: 5%–95% non-condensing relative humidity
• Protection Class: IP20 when fully inserted into matched Trusted series chassis enclosure
• Module Physical Size: 45 mm width × 220 mm height × 250 mm depth
• Net Weight: 0.51 kg
• Power Consumption: 3.8 W maximum via TMR chassis backplane 24 VDC supply

Function Features

1. Triple Modular Redundant internal channel processing architecture; three independent signal acquisition circuits per physical input channel for hardware voting
2. Hardware-level wire-break detection for open-circuit field wiring faults, reported as dedicated diagnostic alarms to the safety processor
3. Ultra-fast sub-millisecond response time to capture rapid safety trip signals for emergency shutdown logic
4. Built-in periodic automatic self-test sequence that runs without interrupting active safety signal monitoring
5. Channel-by-channel fault isolation; single channel short-circuit cannot disrupt operation of remaining 15 input ports
6. Front panel individual LED indicators for each input channel state, plus global fault and backplane communication status lights
7. Conformal coated PCB to resist dust, moisture, and corrosive gas in heavy industrial processing facilities

Application Scenarios

• Power plant boiler and turbine safety instrumented shutdown systems (SIS)
• Petrochemical plant high-pressure reactor emergency interlock control
• Nuclear auxiliary facility safety limit signal acquisition
• Offshore oil platform fire and gas detection safety logic panels
• Pharmaceutical high-pressure batch reactor safety interlock monitoring

Working Principle

Material Composition

• Main Circuit Board: FR4 industrial PCB with UL94 V0 flame retardant rating, full acrylic conformal coating
• Enclosure Frame: Cold-rolled steel stamping with anti-rust black powder coating
• Isolation Components: High withstand voltage optocoupler chips, ceramic isolation capacitors
• Terminal Connectors: Tin-plated copper spring clamp terminal blocks for field wiring
• Heat Dissipation Components: Passive aluminum heat sinks for redundant logic ICs

Structural Features

• Slot-specific plug-in design for Trusted TMR series rack chassis, keyed slot geometry prevents misinsertion of incompatible modules
• Vertical stacked internal PCB layers separating high-voltage field circuits and low-voltage TMR logic circuits
• Front panel transparent dust cover protecting channel LED indicators
• Rear dual locking latches for secure vibration-resistant mounting in power plant and offshore environments
• Segmented terminal block layout grouping channels into four independent four-channel banks for simplified wiring maintenance

Installation Requirements

1. Only deploy inside IP30 minimum rated control cabinets to maintain IP20 module protection rating
2. Mount chassis horizontally or vertically per TMR system engineering guidelines; maintain 15 mm vertical clearance between stacked modules
3. All field safety wiring must use shielded twisted pair cables with single-point cabinet grounding
4. Torque terminal block wiring screws to 0.6–0.9 N·m to eliminate loose contact resistance
5. Maintain separate cable trays for safety I/O wiring and standard control wiring to avoid cross-interference
6. Complete TÜV-certified system safety validation after module replacement or wiring modification

Usage Precautions

1. Hot-swap operation is prohibited; cut full chassis backplane power before inserting or removing the P153DL002 module
2. Do not apply AC voltage to any digital input channel terminals; only rated 12–30 VDC dry contact signals are permitted
3. Conduct annual full diagnostic calibration per SIL 3 safety maintenance schedules
4. Replace modules immediately if conformal coating shows peeling or corrosion in chemical plant environments
5. Do not connect non-safety standard auxiliary sensors to module input channels; only certified safety interlock contacts are approved
6. Store spare modules in static-dissipative packaging to prevent ESD damage to redundant signal processing circuits