MTL5015 Dual Solid-State Interface - MTL Instruments

MTL5015 Dual Channel Solid-State Interface

The MTL5015 from MTL Instruments provides dual-channel control of solid-state outputs in safe areas from hazardous area switches and proximity detectors. 

Key Technical Specifications

• Brand: MTL Instruments
• Model: MTL5015
• Product Type: Dual Channel Solid-State Interface
• Channels: Two independent channels
• Output Type: Floating solid-state for logic circuits
• Frequency Range: DC to 5kHz
• Unit Weight: 110g lightweight design

Hazardous Area Certification

• Switch Location: Zone 0, IIC, T6 hazardous area
• Detector Location: Zone 0, IIC, T4-T6 with certification
• Division Rating: Division 1, Group A hazardous location
• The MTL5015 maintains intrinsic safety for both input channels

Input Specifications

• Sensor Voltage: 7 to 9V from 1kΩ ±10% source per channel
• Normal Phase: Output on if Iin >2.1mA or Rin <2kΩ
• Reverse Phase: Output off under same conditions
• Hysteresis: 200µA typical per channel for stable switching
• Phase Reversal: Independent for each channel, user-selectable

Output Characteristics

• Operating Frequency: DC to 5kHz per channel
• Maximum Off-state Voltage: 35V
• Off-state Leakage: 10µA maximum
• On-state Voltage Drop: 1 + (0.13 x current in mA) V
• Maximum On-state Current: 50mA per channel
• Compatibility: Floating outputs for logic circuits

Line Fault Detection (LFD)

• LFD Mode: User-selectable for each channel
• Open-circuit Alarm: On if Iin <50µA, Off if Iin >150µA
• Short-circuit Alarm: On if Rin <100Ω, Off if Rin >360Ω
• Fault Response: Detected line fault switches off the output
• Contact Input: Requires 500Ω-1kΩ series and 20kΩ-25kΩ parallel resistors

Terminal Configuration

• Channel 1 Input: Terminal 1 (Input –ve), Terminal 2 (Input +ve)
• Channel 2 Input: Terminal 4 (Input –ve), Terminal 5 (Input +ve)
• Earth Leakage: Terminal 3 (Ch 1), Terminal 6 (Ch 2) for detection
• Channel 1 Output: Terminal 10-11 (Output –ve), Terminal 12 (Output +ve)
• Channel 2 Output: Terminal 8 (Output –ve), Terminal 9 (Output +ve)
• Power Supply: Terminal 13 (Supply –ve), Terminal 14 (Supply +ve)

Physical & Power Specifications

• Unit Weight: 110g compact and lightweight
• Current Consumption: 44mA at 24V maximum
• Power Dissipation: 1.1W at 24V maximum
• Maximum Dissipation: 1.6W at 35V
• Isolation: 250V AC or DC between circuits

Safety Parameters

• Safety Voltage: 10.5V maximum per channel
• Internal Resistance: 800Ω per channel
• Safety Current: 14mA maximum per channel
• Maximum Voltage: Um = 250V rms or DC
• Inter-channel Isolation: 30V between hazardous-area circuits

Frequently Asked Questions

• How many outputs does the MTL5015 control?
  It controls two independent solid-state outputs from two hazardous area inputs.
• What is the maximum operating frequency?
  It operates from DC to 5kHz per channel for high-speed logic applications.
• How does line fault detection work?
  It detects open circuits (<50µA) and short circuits (<100Ω) with individual channel indication.
• What is the unit's weight?
  The dual-channel interface weighs only 110 grams for easy installation.

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