Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Product Introduction
When your ABB 800xA DCS system needs stable, interference-free analog signal acquisition for critical process parameters, this module acts as the high-precision “signal gateway” between field sensors and the central control system.
It features full 1500V AC electrical isolation between channels and backplane bus, effectively suppressing electromagnetic noise and ground potential difference interference. Its built-in signal over-range protection mechanism prevents module damage caused by accidental field signal overshoot, ensuring long-term stable operation even in heavy industrial environments.

ABB UFC721AE101 3BHB002916R0101

ABB UFC721AE101 3BHB002916R0101
Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | UFC721AE101 3BHB002916R0101 |
| Product Type | 8-Channel Differential Analog Input Module (ADCVI) |
| Supported Systems | ABB AC 800M Controller, ABB 800xA Distributed Control System |
| Number of Input Channels | 8 independent differential analog input channels |
| Input Signal Range | 4-20mA / 0-20mA current, 0-10V / 1-5V voltage |
| A/D Conversion Resolution | 16-bit high precision |
| Measurement Accuracy | ±0.1% of full scale |
| Isolation Strength | 1500V AC full channel electrical isolation |
| Redundancy Support | Supports system redundant hot-standby operation, main/backup switching time <50ms |
| Power Supply | 24V DC industrial standard, ±10% wide voltage tolerance |
| Operating Temperature Range | 0°C ~ +60°C |
| Installation Method | Standard ABB UFC700 series rack mounting |

ABB UFC721AE101 3BHB002916R0101

ABB UFC721AE101 3BHB002916R0101
Field Application & Technical Pitfalls
Critical Industrial Scenarios
- **Power Plant DCS Process Monitoring: Collects high-precision temperature, pressure and flow signals for power plant boiler and turbine control loops, ensuring accurate process parameter monitoring.
- **Petrochemical Refinery Field Signal Acquisition: Adapts to high electromagnetic interference refinery environments, delivering stable analog signal acquisition for all production unit process points.
- **Metallurgical Plant Heavy Industry Automation: Resists severe on-site vibration and power grid fluctuation conditions, providing reliable signal acquisition for rolling mill and smelting process control systems.
Non-Negotiable Technical Pitfalls
- ⚠️ Bold Warning 1: Never route analog signal cables alongside high-power inverter cables. The third differential channel will pick up electromagnetic interference that causes ±3% signal reading drift.
- ⚠️ Bold Warning 2: Skipping the pre-commissioning full-channel signal calibration will leave you with hidden measurement offset. This unit must complete 4-20mA full-range calibration to achieve rated ±0.1% FS accuracy.
- ⚠️ Bold Warning 3: Do not disable the built-in signal over-range protection function in the configuration software. The module will lose protection against accidental field signal overshoot, leading to permanent A/D circuit damage.
A chemical plant maintenance team once swapped a UFC721AE101 module and skipped the full-channel calibration. The 4% flow signal measurement offset caused the reaction tank feed control to deviate from setpoint, resulting in 3 hours of unplanned production downtime that cost over $14,000 in lost production.

ABB UFC721AE101 3BHB002916R0101
Quality Control (QC) SOP & Transparency
- Inbound Verification: Cross-check the OEM serial number against ABB’s official part registry, confirm the part number UFC721AE101 3BHB002916R0101 matches the factory label, and inspect no bent pins on the backplane and field signal connectors.
- Live Rig Testing: Power the unit in a calibrated ABB AC 800M test rack, apply 24V DC power, and confirm full 8-channel signal acquisition stability for 2 continuous hours.
- Parameter Testing: Verify 16-bit resolution measurement accuracy stays within ±0.1% of full scale, confirm 1500V AC isolation performance meets factory specifications, and validate all LED status indicators function correctly.
- Final QA & Packaging: Seal the tested module in a static-shielding anti-static bag, attach a unique QC passed serial label, and nest it in foam padding inside a rigid industrial shipping carton.
Frequently Asked Questions (FAQ)
- Can I hot-swap this module while the ABB 800xA DCS system is running? Yes, but you must first set the corresponding process signal points in the DCS to manual simulation mode, otherwise you will trigger temporary signal loss alarms.
- What exact ABB systems is this module compatible with? It works natively with ABB AC 800M controllers and 800xA DCS platforms. It will not operate correctly with standard AC 800PEC power control systems without custom configuration patches.
- How long is the standard warranty for this new surplus unit? 12 months from delivery. It covers all manufacturing defects, but does not extend to units damaged by overvoltage, miswiring, or long-term operation outside the rated temperature range.
- How do I tell a genuine OEM unit apart from a refurbished clone? Genuine ABB UFC721AE101 3BHB002916R0101 modules have a laser-etched part number on the metal housing, not a printed sticker. Clone units almost always fail the 16-bit full-range measurement accuracy test.
- What is the typical lead time for shipment? In-stock units ship within 48 hours. If you require official ABB factory signal calibration documentation, add 2 extra business days to the turnaround window.
- Can this module replace the older UFC711 legacy analog input unit? Well, technically it fits the same rack slot, but you will need to reconfigure all channel signal type and range parameters in the Control Builder M software to unlock the full 16-bit high-precision performance.
اكتشف 【UFC721AE101 3BHB002916R0101】 الآن، الخيار الأمثل بجودة عالية وسعر مناسب. يتميز بأداء موثوق وتصميم عملي، مع شحن سريع ودفع آمن وخدمة عملاء موثوقة. تواصل معنا الآن للحصول على عرض سعر مفصل، وسنرد عليك خلال ساعة واحدة.
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