Enabling Robust Network Connectivity for High-Availability Systems
The Schneider Electric 140NOE77111 establishes critical Ethernet connectivity for Modicon Quantum PLCs. Specifically, this advanced communication module supports the Transparent Ready Class C30 architecture. Consequently, it allows Quantum controllers to integrate seamlessly into standard Ethernet networks. Therefore, engineers widely use it for building high-availability industrial control and supervision systems.
Technical Specifications and Advanced Communication Features
This module provides dual physical interfaces for maximum network integration flexibility. For instance, it supports key industrial protocols like Modbus TCP/IP for superior device interoperability. Moreover, the 140NOE77111 offers essential features such as hot standby redundancy. Additionally, it includes NTP time synchronization for precise system-wide clock management.
Detailed Technical Parameters
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model Number | 140NOE77111 |
| Product Series | Modicon Quantum |
| Product Category | Ethernet TCP/IP Communication Module |
| Compatibility | Transparent Ready Class C30 Applications |
| Primary Protocols | Modbus TCP/IP, SNMP (v1, v2c), SMTP |
| Network Time Protocol | NTP Client & Server Support |
| Transmission Speed | 10/100 Mbps, Auto-negotiation, Full Duplex |
| Copper Interface | 1 x RJ45 Port (10BASE-T / 100BASE-TX) |
| Fiber Optic Interface | 1 x MT-RJ Port (100BASE-FX) |
| Power Supply | 5 VDC (Supplied via Quantum backplane) |
| Current Consumption | 750 mA at 5 VDC |
| Typical Power Draw | 3.75 Watts |
| Redundancy Support | Hot Standby (Requires a second 140NOE77111) |
| Web Server | Embedded for configuration and diagnostics |
| Operating Temperature | 0°C to 60°C (Standard for Quantum modules) |
| Module Dimensions | Standard Quantum double-width module form factor |
| Module Weight | Approximately 0.5 kg |
| Status Indicators | LEDs for Power, Network Activity, Link Status, Faults |
| Internal Energy Storage | None; configuration may be stored in non-volatile memory |
| Number of Logical Connections | Multiple concurrent Modbus TCP connections (model dependent) |
| Mounting | Plugs into a compatible 140XBP series Quantum baseplate |
Key Features and Direct System Integration Benefits
The 140NOE77111 directly bridges the Quantum PLC backplane to the plant Ethernet network. Its dual media ports allow for copper connectivity to switches, while the fiber port ensures noise immunity over long distances. The embedded web server provides easy access for configuration, and it also enables real-time diagnostics. Furthermore, the hot standby feature maintains network communication continuity even during a module failure. As a result, this module serves as a critical component for modern SCADA and distributed control applications.
Practical Application Context and Protocol Utilization
This module enables the Quantum controller to function as either a Modbus TCP server or client. For example, it facilitates efficient data exchange with HMIs, SCADA servers, and other intelligent devices across the network. The SMTP protocol support allows the PLC to send email alerts directly for critical events or alarms. Thus, the 140NOE77111 significantly expands the connectivity and overall integration capabilities of the entire Quantum platform.
Straightforward Installation and Configuration Guidelines
Installation requires inserting the module into an available slot on the Quantum rack. Next, connect network cables to the appropriate RJ45 or MT-RJ port based on your media type. Configuration typically utilizes Unity Pro software, but you can also use the module’s built-in web interface. For implementing hot standby, you will need a second module plus a dedicated synchronization cable. Finally, always ensure proper network planning, including IP addressing and subnetting, for seamless system operation.
Details
| Weight | 0.91 kg |
|---|---|
| Dimensions | 110 × 55 × 90 mm |
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