Name: UFC921A101 ABB controller
Price: 4222 CNY
Availability: InStock

Description

1. Basic Information

Parameter Item	English Description
Model Number	UFC921A101
Manufacturer	ABB Group
Product Category	Industrial Flow Controller (for gas/liquid)
Product Series	UFC900 Series
Design Standard	Compliant with IEC 61508 (SIL 2)

2. Core Technical Parameters

2.1 Flow Measurement

Measurement Medium: Compatible with clean gas (e.g., nitrogen, air) and low-viscosity liquid (e.g., deionized water)
Flow Range: 0.1–100 L/min (gas, @ 20°C, 1 atm); 0.05–50 L/min (liquid, @ 20°C)
Measurement Accuracy: ±0.5% of full scale (FS) at 25°C ambient temperature; ±1.0% FS at operating temperature range
Repeatability: ≤0.2% FS
Turndown Ratio: 1000:1 (for gas); 500:1 (for liquid)

2.2 Control Performance

Control Mode: Proportional-Integral-Derivative (PID) control; On-Off control (selectable)
Setpoint Resolution: 0.01 L/min
Response Time: ≤100 ms (for step input of 10% FS)
Control Stability: ≤±0.1% FS (steady-state deviation)

2.3 Pressure & Temperature Ratings

Maximum Operating Pressure: 10 bar (gas); 15 bar (liquid)
Medium Temperature Range: -20°C to +80°C
Ambient Temperature Range (Operating): -10°C to +55°C
Ambient Temperature Range (Storage): -40°C to +70°C

3. Input & Output (I/O) Parameters

3.1 Analog Input

Signal Type: 4–20 mA DC (for external setpoint input); 0–10 V DC (optional)
Input Impedance: 250 Ω (for 4–20 mA); 10 kΩ (for 0–10 V)
Input Accuracy: ±0.1% of input range

3.2 Analog Output

Signal Type: 4–20 mA DC (for measured flow feedback)
Output Load Capacity: 0–500 Ω
Output Accuracy: ±0.2% of output range

3.3 Digital I/O

Digital Inputs: 2 channels (for start/stop control, remote interlock); Signal: 24 V DC (PNP/NPN selectable)
Digital Outputs: 2 channels (for status indication: “Normal”, “Alarm”); Signal: Relay contact (5 A @ 250 V AC / 10 A @ 30 V DC)

3.4 Communication Interface

Protocol: Modbus RTU (RS-485); Profinet (optional)
Baud Rate: 9600–115200 bps (Modbus RTU)
Parity Check: None/Even/Odd (selectable)

4. Power Supply

Voltage Range: 100–240 V AC (50/60 Hz); 24 V DC (optional)
Power Consumption: ≤15 W (at 230 V AC, full load)
Overvoltage Protection: Class II (IEC 61140)

5. Physical & Environmental Parameters

Housing Material: Aluminum alloy (with anti-corrosion coating); Front panel: IP65 protection
Mounting Type: DIN rail mounting (EN 50022); Panel mounting (optional)
Relative Humidity: 10%–90% RH (non-condensing, operating); 5%–95% RH (non-condensing, storage)
Vibration Resistance: 5–500 Hz, 10 m/s² (IEC 60068-2-6)
Shock Resistance: 50 m/s² (11 ms duration, IEC 60068-2-27)

UFC921A101 ABB PDF
UFC921A101

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