The FOXBORO FBMSVH is a safety-rated I/O module for Foxboro I/A Series systems, designed for use in Safety Instrumented Systems (SIS) and safety interlock applications.
It enables fault-oriented safety signal acquisition and safety output control, making it suitable for high-integrity safety-critical environments.

Core Positioning and Purpose
System Integration

Designed for the Foxboro I/A Series

Integrated into SIS and safety interlock systems to execute safety and protection logic

Core Functions

Acquires safety-related field signals, such as:

Emergency stop (E-Stop)

Limit and over-range protection signals

Safety door and access interlocks

Issues safety-rated output commands

Executes critical safety actions, including:

Emergency shutdown (ESD)

Process isolation and medium cut-off

Safety Characteristics

Complies with SIL 2 requirements

Configurable up to SIL 3 at system level

High diagnostic coverage

Designed with fault-oriented and fail-safe principles

Key Specifications
I/O Channels and Signal Types

Safety digital inputs (supports dry and wet contact signals)

Safety relay outputs

Supports redundant configurations to improve system availability

Communication and Power Supply

24 V DC dual redundant power supply

Dedicated secure communication interface

Encrypted transmission of status, diagnostics, and safety data

Environmental and Installation

Operating temperature: −20 °C to +60 °C

Degree of protection: IP20

Installation: DIN rail or rack-mounted

Performance and Certification

Safety response time: < 10 ms

FOXBORO FBMSVH｜I/O Module｜