Schneider Electric Modicon Momentum Modules: MA0329001 Connector Cassette

Technical Dossier

Product Details And Specifications

Schneider Electric Modicon Momentum Series Technical Notes

The Schneider Electric Modicon Momentum platform is a distributed I/O and standalone controller architecture deployed across global heavy industry — including petrochemical refineries, nuclear power auxiliary systems, offshore platforms, water treatment facilities, and continuous-process chemical plants. Its modular backplane design, combined with DIN-rail mounting and IEC 61131-3 compliance, made it the preferred distributed I/O solution for Modbus Plus, Ethernet TCP/IP, and Profibus DP networks throughout the 1990s and 2000s. Installed base counts in the tens of thousands of nodes globally, making long-term spare parts availability a critical operational requirement for asset-intensive industries.

The Evolution of Modicon Momentum Architecture

The Momentum platform was introduced by Schneider Electric (formerly Modicon) in the mid-1990s as a response to the industry demand for compact, distributed I/O nodes that could operate independently or as remote I/O drops under a central PLC. The architecture separates the I/O base (the adapter/communication module) from the I/O module itself, connected via a proprietary backplane interface. Early generations supported Modbus Plus (MBP) and Modbus RTU communication. Subsequent revisions introduced Ethernet TCP/IP adapters (170ENT11001, 170ENT11002) enabling integration with Transparent Ready architectures. Profibus DP adapters (170PNT11020) extended compatibility into Siemens-dominated plant environments. The connector cassette layer — including the MA0329001 — provides the field-wiring termination interface, decoupling I/O module replacement from field cable re-termination. This design significantly reduces MTTR in live plant environments. The Momentum series entered its mature/end-of-active-development phase circa 2010–2015, with Schneider Electric transitioning new designs toward the Modicon M340 and M580 platforms. However, the installed base remains extensive, and DriveKNMS provides lifecycle extension support for all Momentum variants.

Modicon Momentum Full Catalog & Functionalities (SKU List)

Connector Cassettes & Field Wiring Accessories

• MA0329001: 40-pin connector cassette for Momentum I/O modules; field-wiring termination interface, decouples module swap from cable re-termination.
• MA0329100: Connector cassette with screw-clamp terminals, 24 VDC I/O base compatibility, standard density wiring.
• MA0329200: High-density connector cassette, spring-clamp terminals, for 32-point I/O modules.

Digital Input (DI) Modules

• 170ADI34000: 32-point 24 VDC digital input module, sink/source configurable, Momentum I/O base.
• 170ADI54050: 16-point 120 VAC digital input module, isolated, for high-voltage field devices.
• 170ADI35000: 32-point 24 VDC digital input, high-speed counter input capability, 1 ms response.

Digital Output (DO) Modules

• 170ADO34000: 32-point 24 VDC digital output, transistor sourcing, 0.5 A per point.
• 170ADO35400: 16-point relay output module, SPST contacts, 2 A per point, 24–240 VAC/VDC.
• 170ADO54050: 16-point 120 VAC triac output module, zero-crossing switching.

Analog Input (AI) Modules

• 170AAI03000: 8-channel analog input, 4–20 mA / 0–10 V selectable, 12-bit resolution.
• 170AAI14000: 16-channel analog input, differential, 4–20 mA, 12-bit, for process instrumentation loops.

Analog Output (AO) Modules

• 170AAO92100: 4-channel analog output, 4–20 mA, 12-bit, for control valve positioners.
• 170AAO12000: 8-channel analog output, 0–10 V / 4–20 mA, 12-bit resolution.

Communication Adapters (CPU / Network Interface)

• 170ENT11001: Ethernet TCP/IP adapter, 10/100 Mbps, Modbus TCP, Transparent Ready, standalone or remote I/O.
• 170ENT11002: Ethernet TCP/IP adapter with enhanced web server, firmware-upgradeable.
• 170PNT11020: Profibus DP adapter, 12 Mbps, slave mode, for integration with Siemens S7 masters.
• 170MBP10100: Modbus Plus network adapter, peer-to-peer and remote I/O, legacy plant networks.
• 170LNT71000: AS-Interface (AS-i) master adapter, 31-slave capacity, for sensor/actuator bus integration.

Power Supply Modules

• 170XPS00100: 24 VDC power supply module for Momentum I/O base, 2 A output, DIN-rail mount.
• 170XPS05400: 115/230 VAC input power supply, 24 VDC output, for standalone Momentum nodes.