Overview
The MTL4016 is a two-channel switch/proximity detector interface unit. It ensures reliable communication between field devices in hazardous zones and control systems in safe areas. This unit supports high-integrity signal transmission and includes built-in fault detection features. Additionally, its compact size and robust design make it ideal for demanding industrial environments.
Technical Specifications
General
Product Type: Switch/Proximity Detector Interface Unit
Channels: Two independent input/output channels
Input/Output Characteristics
Sensor Supply Voltage: 7.0V – 9.0V DC through a 1kΩ resistor
Output Closes: When current is >2.1mA (sensor resistance <2kΩ)
Output Opens: When current is <1.2mA (sensor resistance >10kΩ)
Hysteresis: 200μA, equivalent to 650Ω nominal
Line Fault Detection (LFD)
The unit detects broken or shorted sensor lines
Output Opens if current is <100μA (open line)
Output Opens if current is >6.5mA (short circuit)
Relay Output Characteristics
Relay Type: Double-pole, on/off operation
De-energized State: Relays remain open
Response Time: 2ms maximum
Contact Rating: 10W, 0.5A, 35V DC
Mechanical Life: 1 million operations at rated load
Indicators
Amber LEDs show channel activity
Green LED confirms power status
Power Requirements
Supply Voltage: 24V DC
Current Draw: 50mA at 24V DC
Power Dissipation: 1.2W at 24V DC
Environmental Conditions
Temperature Range: -20°C to +60°C
Humidity: 5% to 95%, non-condensing
Mechanical Specifications
Weight: 0.6 kg
Dimensions:
Width: 16 mm
Height: 119 mm
Depth: 114 mm












