GE IC693MDL645 – Series 90-30 16‑Point 24VDC Positive/Negative Logic Discrete Input Module

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Product Introduction:

The IC693MDL645 is a high‑density discrete input module engineered by General Electric (GE Fanuc) for the Series 90‑30 PLC platform. It serves as an interface between the PLC and field digital devices, converting 24VDC on/off signals from pushbuttons, limit switches, proximity sensors, and relay contacts into logic‑level data for the controller. Supporting both sinking and sourcing (positive/negative logic) and providing 16 input points in a single group, it delivers reliable, noise‑immune signal acquisition for general and heavy‑duty industrial automation.

Technical Specifications

Manufacturer: General Electric (GE Fanuc / Emerson Automation)
Model: IC693MDL645
Series: Series 90‑30 PLC System
Module Type: Discrete Digital Input Module
Input Points: 16 non‑isolated points (one group with one common terminal)
Nominal Voltage: 24VDC
Input Voltage Range: 0–30VDC
On‑State Voltage: 11.5–30VDC
Off‑State Voltage: 0–5VDC
Input Current: 7mA typical @ 24VDC; minimum 3.2mA (on‑state); maximum 1.1mA (off‑state)
Response Time: 7ms (both on and off)
Isolation: 1500VAC for 1 minute (field‑to‑logic)
Backplane Current: 100mA @ 5VDC
Connector: Removable 20‑position terminal block
LED Indicators: 16 green LEDs (A1–A8, B1–B8) for individual input status
Dimensions (W×H×D): 98mm × 66.8mm × 50mm
Weight: 0.25kg (0.55lbs)
Operating Temperature: 0°C to +60°C (32°F to 140°F)
Storage Temperature: -40°C to +85°C (-40°F to 185°F)
Relative Humidity: 5%–95% non‑condensing
Certifications: CE, UL, CSA
Mounting: Direct insertion into Series 90‑30 5‑slot or 10‑slot baseplates

Key Features

Dual Logic Compatibility: Works with both positive (sourcing) and negative (sinking) logic devices, maximizing wiring flexibility.
High‑Density Input: 16 points reduce slot count and cabinet space.
Optical Isolation: 1500VAC isolation shields PLC logic from field noise, voltage spikes, and ground loops.
Individual LED Status: Dedicated green LEDs allow instant visual diagnosis of each input’s state.
Removable Terminal Block: Simplifies wiring, maintenance, and module replacement without rewiring.
Fast Response: 7ms update time supports real‑time monitoring of high‑speed discrete events.
Robust Industrial Design: Withstands temperature fluctuations and electrical interference in harsh environments.
Plug‑and‑Play Compatibility: Seamlessly integrates into any Series 90‑30 I/O slot.