Buyer’s Guide: Is the Schneider 171CCC76010 Right for Your Momentum System?
When a Modicon Momentum controller stops communicating, production lines stall and every minute of downtime costs money. The Schneider 171CCC76010 is an M1/M1E processor adapter module built for the Modicon Momentum automation platform. It slots into a Momentum I/O base, draws its 5 VDC supply from that base, and handles program execution plus Modbus communication for the controller.
This guide helps you decide whether this adapter matches your application before you commit to a purchase.
What the 171CCC76010 Actually Does
The module acts as the processing heart of an M1 or M1E Momentum assembly. It runs an X86-based processor at a 32 MHz clock frequency, executes 1,000 instructions in 1 millisecond, and works with a 16-bit word length. Program storage comes from 512 KB flash memory, while 512 KB of RAM handles runtime data. Program memory supports 18 kB under LL984 and 240 kB under IEC, with 24 kB of data memory.
For I/O, the adapter manages a discrete processor capacity of 8,192 inputs and 8,192 outputs, and a register capacity of 26,048 inputs and 26,048 outputs. The I/O limit processor capacity is 8,192 bits maximum. Communication runs over the Modbus protocol through one non-isolated RS-232C port and one I/O bus port.
Key Specifications at a Glance
| Specification | Value |
|---|---|
| Product Type | M1/M1E Processor Adapter Module |
| Product Line | Modicon Momentum |
| Clock Frequency | 32 MHz |
| Rated Supply Voltage | 5 VDC (supplied by Momentum I/O base) |
| Communication Protocol | Modbus |
| Program Memory | 18 kB LL984 / 240 kB IEC |
| Data Memory | 24 kB |
| Flash / RAM | 512 KB each |
| Word Length | 16 bit |
| Operating Temperature | 0 to 60°C, non-condensing |
| Storage Temperature | -40 to 85°C |
| Relative Humidity | 5 to 96%, no condensation |
| Operating Altitude | Up to 2,000 m |
| Weight | 0.042 kg (0.093 lb) |
Where This Adapter Fits
Legacy Momentum Line Support
Plants running Modicon Momentum systems often need a drop-in processor adapter to keep existing I/O bases productive. The 171CCC76010 supports Concept V2.6, Modsoft V2.5 or higher, ProWORX NxT V2.0, and ProWORX 32, so engineering teams can maintain their current programming environment.
Modbus-Centric Control Networks
Because the module speaks Modbus over its RS-232C port, it integrates with supervisory systems and HMIs that already use that protocol. This suits water treatment, packaging, and material handling cells where simple serial communication is preferred.
Replacement and Upgrade Planning
If an existing adapter fails, matching the exact part number avoids rewiring or reconfiguration. The 171CCC76010 shares the Momentum platform footprint, so it fits the same base and uses the same 5 VDC supply rail.
Installation and Setup Notes
Mount the adapter into a compatible Momentum I/O base, which provides the 5 VDC supply. Keep the cabinet within the 0 to 60°C operating range and avoid condensing humidity. The module tolerates shocks up to 15 gn peak (11 ms half sine wave) and vibration of 0.75 mm d.a. at 1 gn, so standard panel mounting is acceptable. Confirm your programming software version matches one of the supported packages before commissioning.
Maintenance and Reliability
Inspect the module periodically for secure seating in the base and check that cabinet ventilation keeps temperatures inside the rated range. Because the unit has no moving parts and uses flash plus RAM storage, wear points are minimal. Store spare units between -40 and 85°C in a dry environment. Keep a verified spare on hand to shorten unplanned downtime.
Compatibility Checklist Before You Buy
- Confirm your processor type is M1 or M1E within the Modicon Momentum range.
- Verify your programming package: Concept V2.6, Modsoft >= V2.5, ProWORX NxT V2.0, or ProWORX 32.
- Check that your application uses Modbus communication over RS-232C.
- Confirm your I/O count stays within 8,192 discrete points and 26,048 registers.
- Match the 5 VDC supply requirement from the Momentum I/O base.
SpareTechPLC supplies industrial automation parts and can help you confirm fitment. Please verify current lifecycle status and availability with SpareTechPLC before ordering.
Frequently Asked Questions
Does the 171CCC76010 include a power supply?
No. It receives 5 VDC from the Momentum I/O base it is mounted in.
Which programming software supports this adapter?
Concept V2.6, Modsoft V2.5 or higher, ProWORX NxT V2.0, and ProWORX 32 are listed as compatible.
How much program memory does it offer?
It provides 18 kB for LL984 programs and 240 kB for IEC programs, plus 24 kB of data memory.
What communication ports are available?
One non-isolated RS-232C port and one I/O bus port, using the Modbus protocol.
What certifications does the module carry?
It is marked CE and holds FM Class 1 Division 2, UL, cUL, and Nema type 250 certifications.
