Configured for deterministic industrial data exchange in EtherNet/IP networks, the Schneider Electric 140NOC77100, also cataloged as the 140NOC77100 Network Module, provides direct physical-layer packet routing and backplane-bus interfacing within the Modicon Quantum automation platform.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 140NOC77100 |
| Brand | Schneider Electric |
| Series | Modicon Quantum |
| Origin | Webster, NY, USA |
| Weight | 1.0 lb (0.5 kg) |
| Dimensions | 1.0 in x 1.0 in x 1.0 in (2.5 cm x 2.5 cm x 2.5 cm) |
| Communication Protocol | EtherNet/IP |
| Maximum Connections | 128 |
| Transmission Rate | 10/100 Mbit/s |
| Transmission Medium | Twisted Pair |
| Ethernet Port | RJ45 |
| Local Signalling | LED Indicators |
| Current Consumption | 500 mA |
| Degree of Protection | IP20 |
| Standards | UL 508 |
| Power Supply | Via Rack Backplane |
Backplane Bus and Firmware Flash Compatibility
The module interfaces with the Modicon Quantum backplane via a dedicated high-speed bus, enabling deterministic data exchange without impacting scan times. Firmware flash compatibility is maintained across specified Quantum CPU firmware revisions; mismatched firmware may restrict connection count or disable explicit messaging services. The design supports integration into existing racks without requiring additional licensing for standard EtherNet/IP adapter operation.
Frequently Asked Questions
Q: Does the 140NOC77100 support hot-swap insertion?
A: No. The module must be installed or removed only when the rack power supply is de-energized to prevent backplane damage and communication faults.
Q: What is the maximum backplane current load introduced by this module?
A: The module draws 500 mA from the rack power supply through the backplane connector during normal operation.
Q: Can this module operate in redundant network topologies?
A: Yes, it supports device-level ring (DLR) and linear topologies when configured with compatible EtherNet/IP switches and proper IP addressing.
Field Installation Guidelines
Mount the module directly into the designated Quantum rack slot and secure the retaining screws to ensure proper backplane connector engagement. Use shielded Category 5e or higher twisted-pair cabling for all RJ45 Ethernet connections, terminating shield drains to the rack ground point. Verify that the rack power supply is stable at the required voltage before applying logic power. Confirm LED indicator status after installation to validate network link establishment.
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