Description
ICS Triplex‑T846124 48VDC TMR Digital Output Module
Technical Specifications:
- Field Power Supply: 48 VDC nominal, allowable input range 42 VDC‑56 VDC
- Backplane Logic Power: 24 VDC supplied from Trusted system rack power supply
- Output Channel Quantity: 16 digital output channels
- Single‑Channel Max Load Current: 0.5 A per channel
- Total Module Maximum Load Current: 4 A total sum for all active output channels
- Isolation Voltage: 2500 VDC isolation between field circuit and internal logic circuit
- Operational Temperature: 0 °C ~ +60 °C
- Storage Temperature: −40 °C ~ +85 °C
- Humidity Condition: 5 %‑95 % relative humidity, non‑condensing
- Vibration Resistance: 2 g, 10‑500 Hz frequency range
- Shock Resistance: 15 g, 11 ms duration
- Net Weight: 0.72 kg
- Safety Certifications: SIL 3, ATEX, IECEx, CE
Functional Features:
- Full triple‑modular redundant output circuit design, three independent signal channels execute hardware voting
- Per‑channel short‑circuit protection and over‑current hardware cut‑off function
- Individual LED status indicator for each channel, shows channel activation, fault and open‑load state
- Continuous on‑line diagnostics for output circuit, detect wire breakage, short‑circuit and field load failure
- Hot‑swap capable under valid Trusted system configuration
- Supports de‑energize‑to‑trip and energize‑to‑trip safety logic modes
- Backplane fault reporting to Trusted main processor for every channel abnormal event
Application Scenarios: Petrochemical safety interlock loops, emergency shutdown systems, fire and gas protection systems, power plant turbine safety protection, chemical reactor safety control, onshore and offshore process safety facilities, 48 VDC solenoid valve driving applications.
Material Composition:
- Module frame: Flame‑retardant industrial plastic metal composite rack frame
- Internal circuit: Multi‑layer coated industrial PCB, high‑temperature resistant power semiconductor devices
- Field side connector: High‑current spring‑loaded terminal block with screw locking mechanism
- Backplane connector: Gold‑plated 96‑pin industrial grade backplane contact assembly
- Structural fasteners: Anti‑corrosion stainless steel components
Structural Characteristics: Standard Trusted rack slot compatible module form factor. Front panel arranges channel status LED array and field wiring terminal block. Rear side equips 96‑pin backplane connector for logic power and data exchange. Integrated internal metal shielding layer separates field high‑current circuit and low‑voltage logic circuit. Module locking latches achieve secure rack fixing.
Working Principle: Three independent logic channels receive output commands from Trusted main processor. Hardware voting circuit compares three channel signals and generates final valid output instruction. The validated signal drives 48 VDC field‑side power switching components. On‑board diagnostic circuits continuously sample output voltage and current of every channel. Diagnostic information returns to controller via backplane bus when abnormal electrical condition is detected.
Installation Requirements:
- Insert module into designated slot of ICS Triplex Trusted standard rack.
- Tighten front‑panel locking latches to guarantee reliable backplane connector contact.
- Distribute 48 VDC field power supply strictly follow module terminal assignment diagram.
- Separate field 48 VDC wiring and low‑voltage signal wiring inside cable trunking.
- Complete protective ground connection for rack and module assembly.
Usage Notes:
- Do not exceed single‑channel and total module rated current parameters. Overload will trigger hardware protection or permanent component damage.
- Match field load type with module output characteristic. Do not connect inductive loads without corresponding surge suppression components.
- Confirm diagnostic function activation after commissioning, open‑circuit detection requires minimum residual load current.
- Keep operating temperature inside specified range. High ambient temperature reduces long‑term service life of power devices.
- Use approved wiring terminals only. Loose field terminals generate overheating risk.
