


MI-431 Multispan
Product Summary:
The Multispan MI-431 Slim Signal Isolator offers accurate and compact signal isolation for analog signals with options for single or dual outputs and a built-in transmitter power supply. Ideal for factory automation and signal conditioning applications.
Key Features:
Slim 17.5mm/12.5mm DIN-rail mount design
Fixed analog inputs and outputs (4-20mA, 0-10V DC)
Available in single and dual output variants
High noise rejection and 3-way optical isolation
Built-in 24V DC transmitter power supply (TPS)
Supports 100–270V AC or 24V DC supply
±1% FSD accuracy
Operating temp: 0°C to 55°C; up to 95% RH non-condensing
Applications:
Field signal interface and impedance matching
Signal isolation between field instruments and control systems
Distribution of analog signals to multiple receivers
Powering 2-wire field transmitters
Factory automation and process control panels
Product Benefits:
Saves panel space due to ultra-slim design
Protects equipment with 3-way isolation
Ensures reliable performance in high-noise environments
Simplifies installation with DIN-rail mounting
Flexible output configurations for varied system designs
FAQs:
Q1: What is the difference between single and dual output models?
A1: Single output models provide one isolated analog signal output, while dual output models provide two isolated outputs—useful for signal duplication or parallel system interfacing.
Q2: Can the MI-431 power 2-wire transmitters?
A2: Yes, it includes an inbuilt 24V DC TPS (Transmitter Power Supply) for field transmitter powering.
Q3: Is this isolator suitable for noisy industrial environments?
A3: Absolutely. It features high noise rejection and 3-way optical isolation for superior protection and signal integrity.