ICS TRIPLEX P153/DL/002 High-speed Digital Input Module

I. Product Basic Information
Brand Ownership: ICS TRIPLEX under Schneider (formerly the equivalent safety brand of British Triconex)
System: Trusted TMR Triple Redundant Safety Instrumentation System (SIS), with SIL3 safety level certification (TÜV certification)
Module Type: P153 Series High-Speed Isolated Digital Input Module
Model Interpretation
P153: Basic model of the module (digital input series)
DL: Digital Input Type
002: Hardware Version / Factory Configuration Version Number

Core Hardware Specifications
1. Channels and Electrical Parameters
Input Type: 24VDC Industrial Switching Input, supporting on-site passive contacts and active transmitters signal connection
Single Channel Response Time: < 1ms, suitable for emergency shutdown of the unit, safety interlock type high-speed trip signal collection
Isolation Level: Electrical Isolation between channels, between channels and logical side 500VAC, effectively suppressing on-site interference, surge impact
Power Supply: Redundant 24VDC power supply on the module backplane, supporting dual power supply redundancy for fault tolerance
2. Environmental and Mechanical Parameters
Operating Temperature: -20℃ ~ +70℃, suitable for wide temperature industrial environments in petrochemical, power plants, and oil and gas stations
Protection Grade: Installed in a standard rack with protection grade IP20
Installation Method: Hot-swappable rack slot installation, supporting online replacement of spare parts without downtime
Size: 45mm (width) × 220mm (height) × 250mm, standard Trusted series modular specification

Safety and Diagnostic Features
TMR Triple Redundant Voting Architecture
Three independent acquisition circuits with hardware voting, single-channel failure does not affect the execution of interlock logic, meeting IEC 61508 SIL3 highest safety integrity level, applicable to ESD emergency stop, F&G fire protection, boiler protection and other critical safety circuits.
Full Channel Intelligent Diagnosis
Open circuit fault detection, on-site circuit short circuit monitoring, external power supply loss alarm
Module Hardware Self-Check, real-time transmission of backplane communication failure to system alarm
Panel LED Status Indicator Lights, can quickly locate the fault position of the channel on-site

Certification and Application Scenarios Authentic certification
TÜV SIL3 (IEC 61508) Functional Safety Certification
ATEX/IECEx Explosion-proof Area Compatibility Certification, suitable for installation in control cabinets within Class 1 hazardous areas of chemical plants
Typical application scenarios
Long-distance pipeline transportation of oil and gas, refining and chemical plants ESD emergency shutdown safety system
Power plant steam turbine, gas turbine, boiler furnace safety monitoring (FSSS)
Chemical plant fire and gas F&G system, pressure / level over-limit safety interlock signal acquisition
Key process safety instrument systems in coal chemical, LNG, and offshore platforms