Description
The Foxboro FCM100Et is a specialized communication module engineered for the I/A Series distributed control system. It serves as the primary Ethernet-to-Fieldbus gateway, facilitating high-speed data transmission between the 100 Mbps Ethernet control network and the local Field Bus Module (FBM) subsystem. This module is essential for maintaining deterministic, real-time communication in demanding process automation environments, including chemical, petrochemical, and power generation facilities.
Features
- Provides reliable 100 Mbps Ethernet connectivity to the I/A Series control network.
- Supports redundant network configurations, ensuring high availability and seamless failover.
- Integrated processor handles protocol conversion and data buffering to offload the main control system.
- Supports both copper (100Base-TX) and fiber optic (100Base-FX) media interfaces.
- Comprehensive onboard diagnostics with front-panel LED indicators for monitoring link status and hardware health.
- Designed for high-speed synchronization and time distribution across the FBM cluster.
Applications
The FCM100Et is deployed in mission-critical industrial control architectures where system uptime and deterministic data exchange are mandatory. It is commonly utilized in large-scale I/A Series installations to bridge control processors with distributed I/O, supporting robust communication backbones in complex process control loops.
Technical Specifications
| Model |
FCM100Et (P0926GS / P0926GU) |
| Communication Speed |
100 Mbps (Ethernet) / 2 Mbps (Fieldbus) |
| Interface Type |
100Base-TX or 100Base-FX |
| Operating Temperature |
0 to 60 deg C |
| Storage Temperature |
-40 to 70 deg C |
| Power Consumption |
3.5 Watts (Max) |
| Input Voltage |
24 VDC |
| Humidity |
5 to 95% (Non-condensing) |
Installation Guidelines
- Ensure the control system is powered down before installing or removing the module from the baseplate.
- Observe standard ESD (Electrostatic Discharge) precautions when handling the electronic assembly.
- For fiber optic configurations, ensure proper cleaning of connectors to prevent signal attenuation.
- Verify that Ethernet cabling meets the required standards for 100 Mbps operation and is routed away from high-EMI noise sources.
- Ensure the module is fully seated in the backplane connector to guarantee proper power distribution and communication bus contact.
FAQ
What is the primary function of the FCM100Et?
The FCM100Et acts as a bridge between the Ethernet-based control network and the local fieldbus, allowing the control processor to communicate with FBM I/O modules.
Does this module support redundancy?
Yes, the FCM100Et is designed to support redundant network topologies, which allows for automatic failover in the event of a network link or cable failure.
What is the maximum cable distance?
The module supports up to 100 meters for copper (100Base-TX) connections and up to 2 kilometers for fiber optic (100Base-FX) connections.
