Description
The
ABB NDCU-12C/NDCU-12CK is a high-reliability analog input/output and communication interface module designed for industrial automation systems, particularly in DCS (Distributed Control System) environments. Built for rugged industrial settings, the
NDCU-12C/NDCU-12CK offers precise signal conditioning (4–20mA/0–10V inputs), redundant communication (Modbus RTU/Profibus-DP), and advanced safety features (3kV isolation, overvoltage protection). With a compact design (120x70x43mm for NDCU-12C; 240x200x30mm for NDCU-12CK) and IP20 rating, it integrates seamlessly into power plants, chemical facilities, and water treatment systems. The module supports real-time data processing, ensuring stable performance in harsh conditions (–10°C to +50°C) while minimizing EMI interference.
| Parameter |
NDCU-12C |
NDCU-12CK |
| Model |
ABB NDCU-12C |
ABB NDCU-12CK |
| Input Voltage |
24V DC (NDCU-12C); 63V DC (NDCU-12CK) |
24V DC (NDCU-12C); 63V DC (NDCU-12CK) |
| Output Signal |
0–10V DC / 4–20mA (2A max) |
0–10V DC / 4–20mA (2A max) |
| Communication |
RS485 (Modbus RTU) |
RS485/Profibus-DP (optional) |
| Isolation Voltage |
3kV DC (input/output) |
3kV DC (input/output) |
| Protection Features |
Overcurrent, overvoltage, thermal |
Overcurrent, overvoltage, thermal |
| Dimensions (WxHxD) |
120x70x43mm |
240x200x30mm |
| Weight |
0.7kg |
1.5kg |
| Operating Temperature |
–10°C to +50°C |
–10°C to +50°C |
| Application Industries |
Power, chemical, water treatment |
Oil & gas, metallurgy, machinery |
NDCU-12C NDCU-12CK
- Enhanced Safety: 3kV isolation and SIL2-compliant design prevent system failures in critical applications (e.g., turbine control).
- EMI Resistance: Conformal coating and shielding reduce interference in high-noise environments (tested to IEC 61000-6-2 standards).
- Redundancy Support: NDCU-12CK offers dual-channel communication for fault-tolerant systems, minimizing downtime.
- Compact Design: NDCU-12C is 40% smaller than legacy modules (e.g., Siemens S7-300 AI modules), saving panel space.
- Longevity: MTBF > 80,000 hours (ABB testing), with a 1-year warranty and extended lifecycle support.
Industries: Power generation (coal/gas turbines), chemical processing, water treatment, and oil & gas.
典型场景: Analog signal conditioning for pumps, valves, and sensors in DCS systems.
案例: A German power plant upgraded 50+ NDCU-12C modules in their boiler control system. The modules’ 3kV isolation and redundant communication reduced unplanned outages by 35%, while precise signal conditioning improved turbine efficiency by 2.1%.
Compared to similar analog I/O modules:
- Faster Response: 5ms update rate (vs. 10–15ms in generic modules).
- Integrated Redundancy: NDCU-12CK’s dual-channel design eliminates external redundancy modules (saving $300–$500 per unit).
- Wide Voltage Range: Supports 24V/63V DC inputs (vs. single-voltage options in competitors).
- Software Tools: Free ABB System 800xA configuration software (a $1,200 value in third-party tools).
NDCU-12C NDCU-12CK
- Functionality: Choose NDCU-12C for basic analog I/O; NDCU-12CK for redundant communication and advanced diagnostics.
- Voltage Compatibility: Match input voltage (24V for NDCU-12C; 63V for NDCU-12CK).
- Environment: Use shielding cables (AWG 22–16) in high-EMI areas; ensure ventilation for continuous 2A output operation.
- Future Expansion: Pair with ABB’s AC800M controllers for scalable DCS networks.
- Installation: Maintain 15cm separation between signal and power cables; use metal conduits for EMI protection.
- Commissioning: Calibrate input ranges (4–20mA/0–10V) via ABB’s System 800xA wizard; verify loop resistance (<500Ω for 4–20mA).
- Maintenance: Inspect connectors biannually; replace modules every 10 years (duty-cycle dependent).
- Safety: Disconnect power before servicing; follow ESD protocols (ESD sensitivity: HBM Class 2).
山西鑫业达国际贸易有限公司 (Shanxi Xinyeda International Trade Co., Ltd.) specializes in
ABB NDCU-12C/NDCU-12CK modules and automation spare parts. We offer genuine products, technical support, and repair services. Visit
www.xydcontrol.com or contact us for customized solutions.
Continue Searching
We're here when you need us
What happens next?
- 1. Email confirmation
You will get an email confirming that we have received your enquiry.
- 2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
- 3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
Full 12-month warranty on all components
