Hazardous Area Interface MTL5015 MTL

MTL5015 Dual-Channel Hazardous Area Interface

Dual-Control Safety Solution

Two independent channels for controlling safe-area logic from Zone 0 switches/proximity detectors. Features phase reversal and line fault detection per channel.

Critical Specifications

Input Characteristics:
• NAMUR/DIN 19234 compliant
• Sensor Voltage: 7-9V via 1kΩ
• Activation Thresholds:
- ON: >2.1mA or <2kΩ
- OFF: <1.2mA or >10kΩ
• Hysteresis: 200µA typical

Output Performance:
• Frequency Range: DC to 5kHz
• Max Current: 50mA/channel
• Voltage Drop: 1V + (0.13 x mA)
• Off-State Leakage: <10µA @35V

Line Fault Detection:
• Open-Circuit: <50µA (alarm ON)
• Short-Circuit: <100Ω (alarm ON)
• Resistor Requirements:
- Series: 500Ω-1kΩ
- Parallel: 20kΩ-25kΩ

Configuration Options

• Independent phase reversal per channel
• Selectable LFD enable/disable
• Dual-status LEDs per channel (yellow=output, red=fault)

Wiring Connections

Channel 1:
1: Input -ve | 2: Input +ve | 10/11: Output -ve | 12: Output +ve

Channel 2:
4: Input -ve | 5: Input +ve | 8: Output -ve | 9: Output +ve

Power: 13: -ve | 14: +ve

Industrial Use Cases

• Dual-valve control systems
• Redundant safety interlocks
• Conveyor proximity monitoring
• Dual-point ESD triggers
• ATEX-compliant machinery

Certification & Safety

• Zone 0/Div.1, IIC, T4-T6
• Group A hazardous locations
• Isolation: 250V AC/DC
• Safety Parameters (per channel):
10.5V, 800Ω, 14mA

Why Engineers Specify This

• Dual-channel redundancy in one module
• 5kHz response for fast processes
• Visual fault diagnostics per channel
• No external converters needed for NAMUR sensors
• 30% space savings vs single-channel units