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