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Honeywell 8C-TAOX51 Analog Output Terminal Assembly
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- Part Number: 8C-TAOX51
- Brand: Honeywell
- Type: Analog Output Modules
- Barcode: USA
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Product Description
The Honeywell 8C-TAOX51, also cataloged as the 8C-TAOX51 Analog Output Terminal Assembly, operates as a dedicated hardware component for high-performance analog voltage or current output signal distribution within Honeywell C300/Series 8 I/O platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 8C-TAOX51 |
| Brand | Honeywell |
| Base Model | 8C-TAOX51 |
| Module Type | Analog Output Terminal Assembly |
| Origin | USA |
| Weight | Standard Module Weight |
| Dimensions | Standard Series 8 Terminal Assembly Footprint |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 24 VDC operating supply |
| Output Type | Analog voltage or current |
| Output Channels | 16 channels |
| Output Points | Typically 8 output points |
| Calibrated Accuracy | ±0.35% of Full Scale (at 25 deg C, including linearity) |
| Output Resolution | ±0.05% of Full Scale |
| Output Current Linearity | ±0.05% of Full Scale nominal |
| Output Readback Accuracy | ±4% of Full Scale |
| Output Temp Drift | 0.005% of Full Scale/deg C |
| Output Ripple | < 100 mV peak-to-peak at power line frequency across 250 ohm load |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The Honeywell 8C-TAOX51 converts digital controller demands into precise analog driving signals required for process control actuators and positioning elements. Featuring channel-to-channel isolation barriers and multi-channel routing, the terminal assembly mitigates ground potential variances while driving 4-20 mA HART loop protocol field devices. Integrated digital-to-analog conversion modules achieve a calibrated accuracy of ±0.35% of Full Scale at 25 deg C, minimizing signal degradation across plant-wide control loops. Thermal drift compensation maintains output drift limits to 0.005% of Full Scale/deg C, suppressing power line frequency noise and keeping output ripple below 100 mV peak-to-peak across a standard 250 ohm load.
Frequently Asked Questions
Q: What is the primary power supply requirement for the 8C-TAOX51 terminal assembly?
A: The assembly operates from a standard 24 VDC external power rail.
Q: What output signal types are supported across the terminal connections?
A: The module provides isolated analog voltage or current outputs across 16 channels.
Q: What output ripple rating is expected under standard load conditions?
A: Output ripple remains under 100 mV peak-to-peak at power line frequency when measured across a 250 ohm load.
Field Installation Guidelines
- Power De-energization: Ensure the 24 VDC main power supply and all field instrument loops are fully powered down before mounting or wiring the assembly.
- Carrier Mounting: Secure the terminal assembly onto the I/O rack rail assembly, confirming physical mechanical lock and proper interface alignment with the corresponding I/O module.
- Wiring & Shielding: Terminate current/voltage signal conductors securely at the terminal block. Connect overall cable shields to the dedicated single-point earth grounding bar to prevent noise pickup.
- Impedance Verification: Verify that external field loop loads align with output drive specs, ensuring line resistance allows specified operation across a 250 ohm load.
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