Overview
The Honeywell 8U-TAOXB1 is a redundant analog output IOTA module tailored for the C300 Series within Experion LX/PKS systems. It provides sixteen high-precision 4–20 mA outputs with diagnostic features to ensure continuous system reliability under industrial conditions.
Series 8 AO module supports the FAILOPT parameter on a per channel basis. The user can configure each channel to either HOLD LAST VALUE, or SHED to a SAFE VALUE. The Output will always go to zero, the safe state, if the IOM device electronics fails.
Specification
| Parameter | Specification |
|---|---|
| Model Number | 8U-TAOXB1 |
| Manufacturer | Honeywell |
| Series | C300 / Experion LX (Series 8 I/O) |
| Module Type | Redundant Analog Output IOTA |
| Output Channels | 16 independent analog outputs |
| Output Type | 4–20 mA DC current loop |
| Load Resistance | 50-800 Ω |
| Voltage Rating | 24 VDC nominal |
| Module Current Rating | Approximately 205 mA |
| IOTA Size | 12″ (304 mm) redundant IOTA board |
| Output Ripple | < 100 mV peak-to-peak at 50/60 Hz across 250 Ω load |
| Operating Temperature | 0 °C to 60 °C |
| Storage Temperature | –40 °C to 85 °C |
| Certifications | Zone 2, Ex nA II C T4; Class I Division 2; Group A, B, C, D – T4 |
| Core Function | Provides safe, redundant analog output with diagnostics and FAILOPT |
Manual/Datasheet PDF
Honeywell Series 8 Controller and I O Specification
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