Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | NCHM-21C 64011332E |
| Type | Charging Monitoring Printed Circuit Board (PCB) |
| Function | Monitors and controls the charging status of inverter systems |
| Input Voltage | 24 V DC |
| Operating Voltage Range | 18 – 30 V DC |
| Current Consumption | 250 mA |
| Monitoring Channels | Dual-channel charge status monitoring |
| Signal Interface | Analog and digital I/O |
| Communication Protocol | RS-485 / Modbus RTU |
| LED Indicators | Power, Fault, and Charge Status Indicators |
| Diagnostics | Self-check and fault logging |
| Response Time | <10 ms |
| Operating Temperature | -10°C to 60°C |
| Storage Temperature | -20°C to 85°C |
| Humidity | 5% to 95% non-condensing |
| Vibration Resistance | IEC 60068-2-6 compliant |
| EMC Compliance | IEC/EN 61800-3 compliant |
| Safety Standards | IEC/EN 61508 SIL2 compliant |
| Dimensions | 150 x 69 x 30 mm |
| Weight | 0.2 kg |
| Certifications | CE, RoHS |
FAQ
FAQ
Q1: What is the primary function of the NCHM-21C board?
A1: It monitors and manages the charging process of ABB inverter systems, ensuring safe and reliable operation.
Q2: What communication interfaces does the NCHM-21C support?
A2: It supports RS-485 communication and Modbus RTU protocol.
Q3: What is the response time of the NCHM-21C?
A3: It provides a fast response time of less than 10 milliseconds.
Q4: Does the board support self-diagnostics?
A4: Yes, it includes built-in self-diagnostic functions and fault logging.
Q5: What is the recommended input voltage for the NCHM-21C?
A5: The recommended input voltage is 24 V DC, with an operating range of 18 – 30 V DC.
Q6: What indicators are available on the board?
A6: It has LED indicators for Power, Fault, and Charge Status.
Q7: Is the NCHM-21C compliant with safety and EMC standards?
A7: Yes, it complies with IEC/EN 61508 SIL2 safety standards and IEC/EN 61800-3 EMC regulations.
Q8: How many monitoring channels does the NCHM-21C provide?
A8: It supports dual-channel charge status monitoring for precise control.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
