Yokogawa NFAI143-S50/CCC01 4-channel analog input module for CENTUM VP & CS3000 DCS. 4-20mA input, 16-bit resolution, ±0.1% FS accuracy, dual redundancy supported. For process industries: chemical, oil & gas, water treatment.
Item NO.:
NFAI143-S50/CCC01Order(MOQ):
1pcShipping Port:
HKLead Time:
3-5 daysProduct Overview
The Yokogawa NFAI143-S50/CCC01 is a 4-channel high-precision analog input module for Yokogawa CENTUM VP and CS 3000 DCS systems.
It captures 4-20mA current signals from field transmitters and converts them into 16-bit digital data for process control and monitoring. Built for noisy industrial environments, this module delivers reliable data acquisition, built-in diagnostics and stable performance for critical process automation loops.
Technical Specifications
| Input: | 4 isolated analog channels |
| Signal range: | 4–20mA DC / 0–20mA DC |
| Over-range detection: | up to 24mA |
| Resolution: | 16-bit A/D |
| Accuracy: | ±0.1% full scale |
| Cold junction compensation: | built-in |
| Operating temperature: | -20°C ~ 70°C |
| Power supply: | 24VDC |
Applications & Benefits
This Yokogawa AI module is widely used in chemical, oil & gas, refining and water treatment plants for flow, pressure and temperature transmitter monitoring.
FAQ
Q: Does the NFAI143-S50/CCC01 support redundant configuration?
A: Yes. It supports dual redundancy when mounted in paired node unit slots to maintain signal processing during single hardware failure.
Q: Can it read signals outside the standard 4–20mA range?
A: It measures 0–24mA, allowing the DCS to detect instrument saturation and faults.
Q: Is cold junction compensation useful for current transmitters?
A: While mainly for thermocouples, this hardware stabilizes internal A/D conversion across the full temperature range.
Q: How to mount the NFAI143-S50/CCC01?
A: Plug-in design for Yokogawa field control unit / node unit I/O slots, secured by modular latches.
Q: What advantage does 16-bit resolution bring?
A: It detects small field signal variations, delivering smoother control loops and accurate historical logging.