ICS Triplex T8431 Analog Input Module
1、 Basic Product Information
Project parameters
Product model T8431
Product Name Trusted TMR 24 Vdc Analog Input Module
Manufacturer ICS Triplex (now part of Honeywell Process Solutions)
Product Series Trusted TMR System (Triple Modular Redundancy System)
Origin: United States
Product status: brand new/available in stock

2、 Core functional characteristics
1. Main purpose
Function Description
Analog signal acquisition is used to collect analog sensor signals for the control system
Triple Redundancy Architecture adopts Triple Modular Redundancy (TMR) design to ensure continuous operation in case of failure
High precision measurement supports high-precision measurement of voltage and current signals
Event sequence recording can record up to 4000 timestamp events for fault analysis
2. Technical characteristics
Characteristic Description
TMR redundant triple optional line monitoring provides high security
Automatic diagnosis with comprehensive automatic diagnosis and self checking functions
Hot replacement support module replacement does not require downloading programs
Dynamic line monitoring supports dynamic line monitoring and fault tolerance capability
3、 Technical specifications and parameters
Source of parameter values
Number of channels: 40 channels
Power supply voltage 24V DC (20-32V DC)
Input voltage range 0-6 VDC (configurable as 0-10V, 0-20mA, 4-20mA)
Input current range 0-22mA
Sampling update rate of 0.5 milliseconds
Resolution 3.9 μ A (1/256 mA)
Safety accuracy ± 1% of full scale
Calibration accuracy 0.03%
Isolation voltage 2500 Vrms
Working temperature -40 ° C to+70 ° C
Storage temperature -40 ° C to+85 ° C
Humidity range 5% -95% RH, no condensation
Size approximately 100mm × 100mm × 80mm
Weight approximately 0.4-0.8kg

4、 Module indicator light
Indicator light description
PWR power indicator light
RUN running indicator light
ERR error/malfunction indicator light
5、 Comparison of T8431 series models
Model Type Channel Number Function
T8431 Analog Input 40 Channel Standard TMR Analog Input Module
T8432 Analog Output 8-Channel Analog Output Module
T8433 isolated analog input 4-channel isolated analog input
T8451 digital output 40 channel digital output module
T8461 digital output 40 channel high-density digital output
T8480 Analog Output 8-Channel Analog Output Module
6、 Compatible system module
Module category compatible model
Processor modules T8110B, T8110C
Interface adapters T8120, T8121, T8122, T8123
Communication interface T8151B
Digital I/O T8310, T8403, T8801
Simulate I/O T8442, T8461, T8480
Power modules T8220, T8222, T8225
On site terminals T8830, T8850
7、 Application Fields
Industry application scenarios
Petrochemical Safety Instrumented System (SIS), Emergency Shutdown System (ESD)
Power plant safety control system in the power generation industry
Natural gas fire and gas detection system (F&G)
Application of high reliability control in pharmaceuticals
Nuclear high integrity safety control system
Key Control Applications for Rail Transit Safety
8、 Certification and Standards
Certification Instructions
IEC 61508 SIL 3 T Ü V certification, compliant with SIL3 safety level standards
Safety certification meets the requirements of industrial safety critical applications