The ICS TRIPLEX T9451 is part of the AADvance Series Digital Output Modules, designed for industrial automation and safety control systems. Functioning as a digital output module, it converts digital signals from controllers into control digital signals from controllers into control signals for field devices (such as relay drives, solenoid valve controls, etc.). It supports safety-integrated systems (SIS), complies with the IEC 61508 functional safety standard, and can be configured to Safety Integrity Level (SIL) 2/3.
Technical Parameters
Electrical Characteristics
Operating Voltage: 18–32 Vdc (redundant power input).
Output Specifications: 8 isolated output channels.
Maximum continuous current per channel: 0.5 A; inrush current: 1.5 A (instantaneous).
Output type: dry contact or solid-state relay (depending on configuration).
Channel Isolation: Isolation voltage between channels and chassis: ±1.5 kVdc (withstand for 1 minute).
Safety Characteristics
Safety Integrity Level (SIL):
Single-channel configuration: SIL 2; dual-channel redundant configuration: SIL 3.
Safe Failure Fraction (SFF): ≥90% (complies with IEC 61508 requirements for high-reliability systems).
Fault Diagnosis: Built-in self-diagnosis function detects channel faults, overcurrent, short circuits, etc., with support for online fault reset.
Physical Characteristics
Dimensions: 166*42*118 mm
Mounting Method: Plug-in module compatible with T9300 I/O base unit, supporting DIN rail or panel mounting.
Protection Level: IP20 (protects against solid foreign objects; no water resistance).
Core Functions
Signal Output: Provides discrete output, supporting simplex, dual, or triple modular redundant (TMR) configurations to adapt to different reliability requirements.
Redundancy and Fault Tolerance: Supports dual-channel redundancy to ensure system operation remains unaffected by single-channel failures.
Safety Shutdown: Supports emergency shutdown (ESD) and fire & gas (F&G) protection systems, configurable in a "De-energize to Trip" mode.
Typical Applications
Industrial Automation: Control of production line equipment, motor start/stop, valve switching, etc.
Safety Systems: Safety instrumented systems (SIS) in chemical and oil & gas industries, meeting safety control requirements in high-risk scenarios.
Process Control: Integration with PLC or DCS systems to achieve precise control of field devices.
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