Genuine Automation Parts | Worldwide Express Delivery | 12-Month Warranty — [GET A QUOTE]

The 8C-TAIDB1 (Part Number 51307133-175) is a 12-inch Redundant Differential Analog Input Termination Assembly (IOTA) designed for the Honeywell Experion PKS Series 8 and C300 controller systems. This high-density component supports 16 differential analog input channels and is specifically engineered for redundant configurations. The 8C-TAIDB1 provides the critical physical mounting and field wiring interface required to host two redundant electronic modules, ensuring continuous process monitoring and data acquisition even in the event of a single module failure.
| Specification | Details |
|---|---|
| Model Number | 8C-TAIDB1 |
| Channel Capacity | 16 Differential Analog Input Channels |
| Redundancy Support | Fully redundant (Hosts 2 x Series 8 AI Modules) |
| Input Signal Types | 1-5 VDC or 4-20 mA (via 250 Ω resistor) |
| Resolution | 16-bit Analog-to-Digital Conversion (ADC) |
| Hardware Accuracy | ±0.075% of full-scale at 23.5°C |
| Scan Rate | 50 ms per channel |
| Power Requirements | 24 VDC nominal; approx. 310 mA module draw |
| Thermal Range | 0°C to 60°C |
| Physical Dimensions | 5.1 cm x 26.7 cm x 17.8 cm |
| Net Weight | 0.5 kg |
Designed for high-availability process control, the 8C-TAIDB1 serves as the backbone for redundant data acquisition strategies. It features an integrated redundancy sync pathway that allows for a seamless handover (≤ 10 ms gap) between active and standby modules. The assembly is built to withstand harsh industrial atmospheres, utilizing G3 conformal coating to prevent circuit degradation from moisture and chemical contaminants. Each channel is equipped with jumper-selectable load resistors, allowing for easy field configuration between voltage and current-based transmitters.
Yes, the 8C-TAIDB1 is configurable for both single-ended and differential current/voltage inputs depending on the I/O module and wiring configuration used.
The 8C-TAIDB1 supports HART digital communication pass-through when paired with HART-enabled Series 8 Analog Input modules, allowing for remote instrument diagnostics and configuration.