FBM233

Description

The FBM233 is a **Field Device System Integrator Module** manufactured by Foxboro (currently owned by Emerson) for use in process control systems. Here’s a breakdown of the product details and specifications based on available information:

**Function:**

* The FBM233 bridges the gap between a process control system (like the Foxboro I/A Series) and single or dual-ported Ethernet devices in the field.
* It acts as an **Ethernet interface module**, allowing these field devices to communicate with the control system using the Modbus/TCP communication protocol.
* Modbus/TCP is a widely used industrial communication protocol that enables data exchange between devices over an Ethernet network.

**Specifications (educated guesses, need confirmation from datasheet):**

* **Communication Interface:**
* Single 10/100 Mbps Ethernet connection (RJ-45 connector) for connecting to the control system network.
* **Field Device Connectivity:**
* Single RJ-45 connector for connecting to a single Ethernet-enabled field device.
* May support connecting to two devices in some configurations (confirmation needed from datasheet).
* **Modbus/TCP Support:** Enables communication with field devices using the Modbus/TCP protocol. (Specific versions supported depend on the model variant)
* **Control Block Support:** Likely supports communication with standard Foxboro I/A Series Equipment Control Blocks (ECBs) and DCI blocks for data exchange with the control system. (Confirmation needed from datasheet)
* **Rugged Construction:** Designed for harsh industrial environments (Class G3 rating according to ISA Standard S71.04)

**Finding More Information:**

Obtaining the official datasheet for the FBM233 might be challenging due to its potential obsolescence. Here are some ways to find more information:

* **Emerson Website:** While the datasheet might not be readily available, search the Emerson website for “FBM233” or “Foxboro FBM233.” You might find product information pages or user manuals with some specifications: [https://www.emerson.com/en-us/automation/home](https://www.emerson.com/en-us/automation/home)
* **Alternative Sources:**
* Industrial parts suppliers or online marketplaces might have the datasheet or specifications listed. Search for “FBM233 datasheet” or “Foxboro FBM233 manual”.
* Engineering forums or online communities focused on process control systems, especially those discussing the Foxboro I/A Series, might have resources about the FBM233.

**Additional Notes:**

* The Foxboro brand is now under Emerson Automation Solutions. Consider exploring their current product offerings for Ethernet interface modules for process control systems if you need a replacement or similar functionality.
* Since the datasheet might be difficult to locate, the exact specifications are uncertain. However, this information should give you a general understanding of the FBM233’s role in connecting field devices to a process control system using Ethernet and Modbus/TCP communication.