ICS TRIPLEX CR305E002AALH Triple Redundant Analog Input Module
I. Product Basic Information
Brand Ownership: ICS TRIPLEX under Schneider (formerly the British ICS safety brand, sharing the same technical route as Triconex)
Compatible System: Trusted TMR Triple Redundant Safety Instrumenting System (SIS), with TÜV IEC 61508 SIL3 functional safety certification
Product Type: Isolated Analog Input Module (AI Module)
Model Segmentation Explanation
CR305: Product Series Code (Analog Input Series)
E: Industrial Wide Temperature Enhanced Hardware Version
002: Version 2 of Hardware Firmware
AALH: Terminal Type, Signal Range, Protection and Wiring Configuration Code

Core Hardware Specifications
1. Channels and Electrical Parameters
Channel Configuration: 16 isolated analog input channels
Supported Signal Types: Standard 4-20mA DC Current Signal, 0-5V/0-10V Voltage Signal, compatible with RTD Platinum Resistance Temperature Acquisition
Electrical Isolation: Single Channel and Backplane Logic Side 1500VAC Electrical Isolation, effectively suppressing on-site surges, frequency conversion interference
Conversion Accuracy: 16-bit Analog-to-Digital Conversion, Full-scale Range Error ≤ 0.1% FS
Sampling Period: Full-channel Synchronous Scan Period < 5ms, meeting the requirements for rapid interlock acquisition in safety systems
Power Supply Method: Rack Backplane 24VDC Redundant Power Supply, supporting dual-power failure-tolerant operation
2. Environmental and Mechanical Parameters
Operating Temperature: -20℃ ~ +70℃ (E represents wide temperature enhanced version, suitable for high-temperature cabinets, outdoor explosion-proof control cabinets)
Protection Grade: Rack Installation IP20, compliant with NEMA 12 Industrial Protection Standards
Installation Method: Supports Online Hot Swap, system can be shut down without affecting the operation to replace faulty spare parts
Structural Dimensions: Standard Trusted Series Modular Dimensions, can be directly installed on T8100, T8151 Series TMR Racks

Safety and Diagnostic Features
TMR Triple Hardware Redundant Voting Architecture
Three independent acquisition circuits with hardware triple-out-of-two voting, single-channel, board card failure will not lead to the failure of safety interlock, meeting the highest safety integrity requirements for ESD emergency stop, F&G fire protection system.
Full-channel Fine Fault Diagnosis
Real-time detection and transmission of open circuit, short circuit, over-range faults to the system alarm
Module Hardware Self-Check, Communication Link Diagnosis, Backplane Power Supply Status Monitoring
Multiple LED Status Indicators on the Panel, can quickly locate the faulty channel and fault type on-site
Support for Online Channel Loop Testing, can regularly verify the integrity of the signal acquisition loop

Configuration Coding AALH Interpretation
AA: Terminal Configuration —— Screw-type Safety-Type Wiring Terminal, with anti-loosening snap扣, suitable for industrial strong vibration conditions
L: Signal Range —— Default 4-20mA Standard Current Input, supports two-wire transmission type transmitters for loop power supply
H: Hardware Protection —— High EMC Electromagnetic Compatibility Version, meeting the strict electromagnetic interference environment requirements of petrochemical, power plants. Authentic certification
TÜV SIL3 (IEC 61508) functional safety certification
ATEX/IECEx explosion-proof area certification, which can be installed in the control cabinet of the hazardous area 1 of the chemical industry Application scenario
ESD emergency shutdown systems for oil refining, coal chemical processing, and LNG facilities, collecting pressure, level, and temperature safety interlock signals
Process parameter collection for the turbine and boiler furnace safety monitoring system (FSSS) in power plants
Safety instrumented systems for oil and gas long-distance pipelines and offshore platforms for fire and gas (F&G)
Key process analog monitoring of the HIPS (High Pressure Interlock System) in chemical plants







There are no reviews yet.