Product Introduction
Part of the Schneider Modicon Momentum family, the Schneider 171CCC78010 M1/M1E Processor Adapter Module is designed for efficient communication and control in industrial automation systems. Utilizing the Modbus protocol, this module supports both discrete and register input/output operations, making it a versatile upgrade for older Momentum processors or a solid choice for new installations. With a 16-bit word length and a 32 MHz clock frequency, the Schneider 171CCC78010 delivers reliable performance for demanding applications.
Technical Specifications
The following table lists key technical parameters for the Schneider 171CCC78010. These specifications derive directly from the product documentation.
| Parameter |
Value |
| Communication Protocol |
Modbus |
| Word Length |
16 bits |
| Discrete I/O Processor Capacity |
8,192 bits maximum |
| Register I/O Processor Capacity |
26,048 words maximum |
| Clock Frequency |
32 MHz |
| Flash Memory |
512 KB |
| RAM |
512 KB |
| Scan Time |
1 ms per KB of logic |
| Rated Supply Voltage |
5 V DC |
| Communication Ports |
1 RS-232C (non-isolated), 1 RS-485 Modbus |
| Ambient Operating Temperature |
0 to 60 °C |
| Storage Temperature |
-40 to 85 °C |
| Net Weight |
0.093 lb (0.042 kg) |
The 32 MHz clock allows the Schneider 171CCC78010 to process data rapidly, while the 512 KB flash and RAM provide ample storage for program and data memory. The 1 ms per KB scan time ensures timely execution of control logic.
Real-World Applications
Upgrading an older Momentum system: Replacing a legacy processor with the Schneider 171CCC78010 reduces scan times and increases I/O capacity, extending the life of existing installations. For example, a packaging line using a Modicon Momentum platform can benefit from the module's 8,192 discrete I/O bits and 26,048 register words, handling more sensors and actuators without a full system overhaul.
New Modbus-based control networks: The dedicated RS-485 Modbus port simplifies integration into distributed control architectures. In a water treatment plant, the Schneider 171CCC78010 communicates seamlessly with variable frequency drives, flowmeters, and remote I/O racks using the Modbus protocol.
Retrofitting a machine tool: A CNC machine with a failing processor can be retrofitted with the Schneider 171CCC78010, leveraging its 16-bit word length and 512 KB memory to run existing ladder logic or IEC programs with minimal reconfiguration.
Compatibility & Integration
The Schneider 171CCC78010 integrates with the Modicon Momentum automation platform and is powered directly by a Momentum I/O base. It supports programming software including Concept V2.6, Modsoft >= V2.5, ProWORX NxT V2.0, and ProWORX 32. The module provides one non-isolated RS-232C port for local programming and one dedicated RS-485 port for Modbus network communication. Its Lexan enclosure ensures durability in industrial environments.
Selection Guide & Purchasing Advice
Before purchasing the Schneider 171CCC78010, verify that your Momentum I/O base supplies 5 V DC and that your programming software version is compatible (Concept V2.6 or later, Modsoft >= V2.5, ProWORX NxT V2.0, or ProWORX 32). Ensure the operating environment stays within 0 to 60 °C and that relative humidity remains below 96% without condensation. For genuine parts and reliable service, choose UBEST Automation. Visit our online store at ubest101.myshopify.com to check availability and pricing for the Schneider 171CCC78010.