MTL MTL5553 Fieldbus Foundation IS Power Supply

Product Overview

The MTL MTL5553 extends 31.25kbit/s H1 fieldbus networks safely into hazardous areas. This specialized module provides both power and communication to fieldbus devices through signal conductors. 

Key Features

• The MTL MTL5553 extends H1 fieldbus networks into hazardous areas
• It provides power and communication through signal conductors
• Internal terminator can be enabled via top-mounted switch
• Compliant with Fieldbus Foundation Type 133 power supply requirements
• Supports 31.25kbit/s fieldbus communication standards
• Green LED provides clear power status indication

Technical Specifications

• Brand: MTL
• Model: MTL5553
• Fieldbus Speed: 31.25kbit/s (H1)
• Output Voltage: 18.4V ± 2%
• DC Impedance: 105Ω ± 3%
• Maximum Current: 80mA
• Supply Voltage: 20 to 35V DC
• Power Consumption: 135mA at 24V with load
• Isolation: 250V AC between all circuits

Fieldbus Power Supply

• Provides Type 133 IS power supply for fieldbus devices
• 80mA maximum current for connected devices
• 18.4V regulated output voltage with ±2% accuracy
• 105Ω DC impedance ensures proper signal conditioning
• Supports multiple fieldbus devices on single network

Installation Requirements

• Mount on horizontal DIN-rail on vertical surface
• Maintain 10mm space between adjacent units
• Use MTL MS010 spacers for proper heat dissipation
• Maximum temperature reduced to 45°C for non-optimal mounting
• Ensure adequate ventilation for reliable operation

Network Configuration

• Internal terminator enabled via switch on top
• Ideal for installations with short safe-area bus lengths
• Supports standard 31.25kbit/s fieldbus communication
• Compatible with Fieldbus Foundation protocols
• Maximum cable length determined by IS requirements

Safety Specifications

• Hazardous Area Certification: Zone 0, IIC, T4-6
• Uo: 22V
• Io: 216mA
• Um: 250V RMS or DC
• Designed for intrinsic safety in explosive atmospheres
• Complies with international fieldbus and safety standards

Frequently Asked Questions

• What fieldbus speed does the MTL5553 support?
  It supports 31.25kbit/s H1 fieldbus networks exclusively.
• How do I enable the internal terminator?
  Use the switch on top of the module or link terminal 7.
• What is the maximum output current?
  The module provides up to 80mA for fieldbus devices.