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SKU:T8431
T8431 ICS Triplex Analog Input Module 40 Channel TMR
Manufacturer: ICS Triplex
Product No.: T8431
Product Type: Analog Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 1149g
Shipping port: Xiamen
Warranty: 12 months
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ICS Triplex T8431 Analog Input TMR Module
ICS Triplex T8431 | 40 Channel Analog Input TMR Module. Provides high-integrity analog signal acquisition for critical process control. Fully triplicated architecture with optional line monitoring. ATEX/IECEx certified for hazardous areas.
Key Features
40 analog input channels. Fully fault tolerant TMR architecture. User defined thresholds (4-off). 0.5ms sample update time. 3.9uA resolution (1/256mA). Safety accuracy +/- 1% full scale. Calibration accuracy 0.03%. Sequence of Events with 1ms resolution. Channel to channel crosstalk -40 to -60dB. 2 year calibration interval. Self-test every 2 minutes. 100µSec real time clock resolution.
Technical Specifications
| Model | T8431 |
| Type | Analog Input TMR Module |
| Channels | 40 |
| Input Voltage Range | 0 – 6 Vdc |
| Input Current Range | 0 – 22mA |
| Resolution | 3.9uA (1/256mA) |
| Sample Update Time | 0.5ms |
| Safety Accuracy | +/- 1% full scale |
| Calibration Accuracy | 0.03% |
| Supply Voltage | 20 – 32 Vdc |
| Power Consumption | 15 – 18W |
| Calibration Interval | 2 years |
| Self-Test Interval | 2 minutes |
| Circuit Type | Fault tolerant, fully triplicated |
| Fusing | None (external if required) |
| Intrinsic Safety | External barrier |
| Certification | Ord / HazLoc / ATEX / IECEx |
| Event Resolution | 1ms |
| Time-stamp Accuracy | ±0.5 ms |
| Field Common Isolation (Sustained) | ±250V dc |
| Field Common Isolation (Withstanding) | ±2.5kV dc |
| Channel to Channel Crosstalk | -40 to -60 dB |
| Operating Temperature | -5°C to 60°C (23°F to 140°F) |
| Non-operating Temperature | -25°C to 70°C (-13°F to 158°F) |
| Temperature Change | 0.5°C/min |
| Operating Humidity | 10 – 95% RH (non-condensing) |
| Height | 266mm (10.5in) |
| Width | 31mm (1.2in) |
| Depth | 303mm (12in) |
| Weight | 1.149kg (2.5lbs) |
Installation Notes
Mount in Trusted TMR chassis. Ensure proper grounding for isolation specifications. Use shielded twisted-pair wiring for analog signals. Install external intrinsic safety barriers for hazardous area applications. Maintain 0.5°C/min maximum temperature change rate. Calibrate inputs every 2 years per recommended interval.
Engineering Advantages
Fully triplicated architecture delivers SIL rated safety integrity. 0.5ms update time captures fast process transients. 3.9uA resolution enables precise measurement. Optional line monitoring detects open/short conditions. Sequence of Events with 1ms resolution supports detailed fault analysis. 2.5kV isolation protects against ground loops and transients. Reliable across -5°C to 60°C operating range.
FAQs
Q1: What is the purpose of user defined thresholds?
A1: The 4-off user defined thresholds allow configuration of discrepancy detection levels above which 0x70nn series slice discrepancy faults are raised, enhancing fault diagnosis.
Q2: Does the T8431 require external fusing?
A2: No internal fusing is provided. External fusing is optional and should be applied at the field device or barrier level if required.
Q3: What is the recommended calibration interval?
A3: ICS Triplex recommends a 2 year calibration check interval to maintain specified accuracy. The module's 0.03% calibration accuracy ensures reliable long-term performance.
Ytterligere spesifikasjoner
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