MTL 8121-DI-DC-01 Digital Input Module

Product Description

• The MTL 8121-DI-DC-01 is a digital input module from the MTL 8000 Series, designed to interface field devices with process automation and control systems.

• It provides reliable acquisition of discrete (on/off) signals from field equipment in hazardous and harsh industrial environments.

• The module ensures robust signal integrity, isolation, and diagnostics, making it suitable for demanding applications in oil, gas, petrochemical, and power industries.

Technical Specifications

• Part Number: 8121-DI-DC-01

• Series: MTL 8000

• Product Type: Digital Input Module

• Number of Input Channels: 16 channels

• Input Signal Type: DC voltage signals (discrete)

• Nominal Input Voltage: 24 VDC

• Input Voltage Range: 18 – 32 VDC

• Input Current: 6 mA per channel (typical at 24 VDC)

• Isolation: 250 V channel-to-backplane isolation

• Module Power Supply: Via MTL 8000 backplane

• Operating Temperature Range: -20 °C to +70 °C

• Enclosure Rating: Suitable for hazardous area installation (with certified system components)

• Diagnostic Features: Channel fault detection, LED input status indication