Ics Triplex T8461C Triple Redundancy (TMR) Digital Input Module

Ics Triplex T8461C Triple Redundancy (TMR) Digital Input Module

Specific Parameters​

Electrical Parameters​

Operating Voltage Dual 24VDC redundant power supply, input range 18-32VDC​

Input Channels 8 independent analog input channels, triple redundancy isolation between channels​

Input Signal Types 4-20mA DC standard industrial signals, compatible with 0-20mA DC​

Measurement Accuracy ±0.1% of full scale, ensuring accurate signal collection​

Isolation Level Electrical isolation between channels and between channels and system, isolation voltage 1500V AC​

Input Impedance ≤250Ω, compatible with various industrial transmitters​

Response Time Signal input response time ≤2ms​

Communication Protocol Compatible with Trusted Tricon Bus redundant communication protocol​

Protection Features Built-in overvoltage protection, short circuit protection, electromagnetic shielding protection​

Safety Level Complies with IEC 61508 standard, achieving SIL 3 Safety Integrity Level​

Certification Standards Compliant with IEC 61508, IEC 61511, UL 1998, ATEX, IECEX certification standards​

Mechanical Parameters​

Overall Dimensions 84mm×110mm×40mm, compact structure suitable for Trusted standard racks​

Weight Approximately 0.4kg, lightweight design facilitating module expansion and deployment​

Mounting Method 35mm DIN rail mounting or Trusted system rack mounting, compatible with standard industrial control cabinets​

Housing Material Industrial-grade high-strength metal shell with electromagnetic shielding and impact resistance​

Connection Method Plug-in backplane connector + spring-loaded terminals, compatible with 0.5-1.5mm² shielded cables​

Protection Rating IP20, suitable for indoor industrial control cabinet environments​

Status Indication Each channel is equipped with operation/fault LED indicator, module-level power and system status LED lights​

Environmental Parameters​

Operating Temperature -20℃ to 60℃, no performance derating over the entire temperature range​

Storage Temperature -40℃ to 85℃, meeting extreme storage and transportation requirements​

Relative Humidity 5% to 95% (non-condensing), suitable for high-humidity industrial scenarios​

Vibration Resistance Complies with IEC 60068-2-6 standard, 2g acceleration at 5Hz-500Hz frequency range​

Shock Resistance Complies with IEC 60068-2-27 standard, 15g acceleration (11ms duration)​

EMC Compliance Complies with EN 55014-1, EN 55014-2 standards, meeting anti-external electromagnetic interference requirements​

Product Performance​

Reliable redundant architecture: TMR triple modular collection design + independent voting logic, avoiding single-point failure in analog signal collection​

Excellent measurement accuracy: ±0.1% full-scale accuracy ensures the accuracy of key parameter collection such as pressure and flow​

Thorough isolation design: 1500V AC electrical isolation eliminates inter-channel crosstalk and voltage impact, adapting to complex industrial loops​

Fast response speed: ≤2ms signal response time meets the rapid response needs of safety interlock logic​

Wide signal compatibility: Supports 4-20mA/0-20mA dual-specification input, seamlessly compatible with industrial transmitters and sensors​

Comprehensive diagnostic capability: Real-time monitoring of channel short circuit, open circuit, and signal over-range faults, diagnostic coverage ≥99.9%​

Convenient installation and expansion: Modular design + hot-swap function supports online module replacement without affecting system operation​

Strong system adaptability: Perfectly compatible with Trusted T9100/T9300 safety controllers, supporting multi-module parallel expansion​