172PNN21022C | Schneider 5 V DC Modbus Communication Adaptor

Introduction to the Schneider 172PNN21022C

When a Modicon Momentum system needs reliable Modbus communication, the 172PNN21022C from Schneider Electric delivers a compact and efficient solution. This communication adaptor is engineered to integrate seamlessly into existing Momentum setups, providing a stable link for data exchange.

Part of the Modicon Momentum product line, the 172PNN21022C operates at a rated supply voltage of 5 V DC, drawing 700 mA. Its design focuses on simplicity and durability, making it a practical choice for industrial automation environments.

Key Features and Technical Specifications

• Communication type: Modbus protocol for reliable data transfer.
• Rated supply voltage: 5 V DC, supplied via the I/O base.
• Current consumption: 700 mA, ensuring efficient operation.
• Clock drift: ±13 seconds per day for time-dependent functions.
• Battery: lithium, size 2/3 AA, for long-lasting backup.
• Electrical connection: one D-shell 9-pin connector for easy integration.
• Material: Lexan housing for robust protection.
• Local signalling: LED indicator for operational status.
• Dielectric strength: 500 V DC, confirming electrical safety.

One distinctive feature is the lithium battery backup, which maintains the clock and preserves time-sensitive data even during power interruptions. This ensures that time-stamped logs remain accurate, supporting effective troubleshooting and process monitoring.

Applications and Use Cases

The 172PNN21022C is ideal for applications requiring Modbus communication in Modicon Momentum systems. For instance, in a manufacturing line where multiple controllers need to share status data, this adaptor enables seamless integration. Moreover, its compact size and low power consumption make it suitable for space-constrained control panels. Additionally, the LED indicator provides quick visual confirmation of communication status, simplifying maintenance checks.

Installation and Setup

Installing the 172PNN21022C is straightforward. First, mount the adaptor onto the I/O base, ensuring a secure connection. Then, connect the D-shell 9-pin cable to the communication port. Finally, verify that the 5 V DC supply is present and check the LED for proper operation. Always refer to the Schneider Electric manual for detailed wiring instructions.

Maintenance and Reliability

Regular inspection of the 172PNN21022C is recommended to ensure long-term reliability. Check the lithium battery periodically and replace it when necessary, following manufacturer guidelines. Keep the Lexan housing clean and free from dust to prevent overheating. With proper care, this adaptor provides dependable service in demanding industrial settings.

Compatibility and Integration

The 172PNN21022C is specifically designed for the Modicon Momentum series, ensuring seamless integration with other Momentum modules. It communicates via Modbus, a widely used protocol, making it compatible with various Schneider Electric PLCs and HMIs. For detailed compatibility information, consult the official documentation.

Troubleshooting and Common Issues

If the LED does not light up, check the 5 V DC supply and the connection to the I/O base. If communication fails, verify the Modbus settings and cable connections. A weak battery may cause clock drift issues, so replace the lithium battery if needed. For persistent problems, contact Petro Auto Tech for technical support.

FAQ about 172PNN21022C

Q: What is the supply voltage for the 172PNN21022C?

A: The 172PNN21022C operates at a rated supply voltage of 5 V DC, supplied via the I/O base.

Q: How much current does the 172PNN21022C consume?

A: The current consumption is 700 mA, ensuring efficient operation.

Q: What type of battery does the 172PNN21022C use?

A: It uses a lithium battery with a 2/3 AA size, providing reliable backup power.

Q: What communication protocol does the 172PNN21022C support?

A: It supports Modbus, a widely used industrial communication protocol.

Q: What is the dielectric strength of the 172PNN21022C?

A: The dielectric strength is 500 V DC, confirming its electrical safety performance.

Product Support and Availability

The 172PNN21022C is available from Petro Auto Tech, an industrial automation parts supplier. In stock and ready to ship, this adaptor can be ordered directly. For lifecycle status and availability confirmation, please contact Petro Auto Tech before ordering.