Description
Key Hardware Specifications
| Item | Specification |
|---|---|
| Channels | 40‑channel analog input |
| Input Signal | 0‑22 mA (4‑20 mA), 0‑6 VDC |
| Resolution | 3.9 µA (1/256 mA) |
| Calibration Accuracy | 0.03%; Safety accuracy ±1% FS (Full Scale) |
| Update Time | 0.5 ms; SOE timestamp accuracy 1 ms |
| Isolation Withstand Voltage | 2500 V RMS channel‑to‑channel isolation |
| Power Supply | 20‑32 VDC (nominal 24 VDC), power consumption 15‑18 W |
| Operating Temperature | 0 ℃ ~ +60 ℃; Storage temperature ‑25 ℃ ~ +70 ℃ |
| Humidity | 10‑95 %RH, non‑condensing |
| Weight | 1.149 kg |
| Ingress Protection | IP20 (for cabinet rack mounting) |
Main Features
- TMR triple‑modular‑redundant 2‑out‑of‑3 fault tolerance. 2oo3 voting logic, single‑channel fault will not cause module outage, safe‑failure mode.
- Full‑channel self‑diagnosis for loop fault detection; 50/60 Hz digital filter supported.
- SOE Sequence of Events logging, 1 ms high‑precision time‑stamp for incident analysis and traceability.
- Hot‑swap capable: on‑line module replacement without system shutdown.
- Channel calibration is recommended every 2 years.
Typical Industries
Petroleum refining, natural gas, chemical industry, power plant SIS safety interlock systems for analogue signal acquisition from field transmitters.
⚠️ Note: T8431 fits Trusted rack; T9852 fits AADvance rack. Their backplanes cannot be interchanged.
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