MTL 8109-DI-DC-01 Discrete Input Module

Overview

The MTL 8109-DI-DC-01 is an 8-channel discrete input module for the MTL PAC8000 I/O system. It provides isolated digital inputs to monitor switches, sensors, and contact closures. Additionally, it supports configurable input filtering and pulse counting, ensuring fast and reliable digital signal acquisition. This module suits both general-purpose and hazardous area environments.

Technical Specifications

• Manufacturer: MTL Instruments (Eaton)

• Model Number: 8109-DI-DC-01

• Product Type: Discrete Input Module

• Number of Channels: 8 isolated sinking inputs

• Input Voltage Range: 0–30 VDC

• ON Voltage Threshold: >11 VDC

• OFF Voltage Threshold: <3.2 VDC

• Wetting Current: 6.3 mA nominal @ 24 VDC

• Minimum Pulse Width: 3 ms

• Max Switching Frequency: 200 Hz without filtering

• Reverse Input Protection: –25 VDC

• Input Filtering Options: Fast, slow, or user-defined (0–512 ms in 2 ms steps)

• Pulse Counting: Enable or disable as needed

• Latch Function: Enable on high or low input

• Response Time: ≤3 ms from field event to Railbus update

• Railbus Power Consumption: 35 mA typical, 55 mA max

• Field Power Requirement: Not required

• Weight: 0.31 lbs