Description
MTL4546Y Isolator: Smart HART Signal Interface for Hazardous Areas
The MTL4546Y is a smart signal isolator. It takes a 4-20mA signal from your safe-area controller to safely drive devices like valve positioners in hazardous locations. It also allows two-way HART digital communication for setup and monitoring.
Technical Specifications
Brand & Model: MTL MTL4546Y HART Isolator
Input/Output Signal: 4-20mA with HART
Load Capacity: Up to 800Ω
Digital Bandwidth: 500Hz to 10kHz (for HART signals)
Accuracy: Better than 20µA
Temperature Drift: < 1.0µA/°C
Power Supply: 20-35V DC
Response Time: < 100ms
Underrange Capability: Down to 1mA
Overrange Capability: Up to 24mA
Hazardous Location Rating: Zone 0, IIC, T4-T6 / Div 1, Group A
Simple Setup & Use
Connect your controller’s 4-20mA output and your field device. The MTL4546Y provides isolation and allows HART signals to pass through for device configuration and diagnostics.
Frequently Asked Questions
- Q1: What is HART communication?
A1: HART is a digital protocol that lets you send and receive data over your 4-20mA wires for setup and monitoring. - Q2: How does it detect wiring problems?
A2: It monitors the current. If the current drops very low, it knows there is a break in the wire. - Q3: Can I use it with a non-HART device?
A3: Yes. It will work perfectly as a standard 4-20mA isolator for any device. - Q4: What types of field devices can it drive?
A4: It is ideal for current-to-pressure (I/P) converters and HART smart valve positioners. - Q5: Is special software needed?
A5: No. It transparently passes HART signals, so you use your existing HART configurator.
Shipping & Package
Your order includes one MTL4546Y unit. We ship globally using FedEx, UPS, and DHL.
Your Product Guarantee
This product is protected by a 12-month warranty for your peace of mind.
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