Description
Overview
The IC693MDL646 is a high-density discrete input module for the Series 90‑30 PLC family, providing 48 points of 24 VDC positive logic input. It is optimized for monitoring DC field devices such as sensors, switches, and pushbuttons, delivering fast and reliable signal acquisition in complex automation systems.
Technical Specifications
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Model/Part Number: IC693MDL646
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Brand: GE Fanuc (Emerson Automation)
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Series: Series 90‑30 PLC
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Module Type: Discrete Input Module
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Number of Channels: 48 positive logic inputs
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Nominal Input Voltage: 24 VDC
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Input Voltage Range: 0–30 VDC
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Input Current: ~7 mA per point at nominal voltage
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Input ON Threshold: > 11.5 VDC
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Input OFF Threshold: < 5 VDC
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Input Groups: 6 isolated groups of 8 points each with separate commons
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Isolation: Group-to-group isolation provided, 1500 VAC field-to-logic side
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Response Time: <1 ms typical
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Backplane Current Draw: ~300 mA @ 5 VDC
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Indicators: 48 LEDs displaying ON/OFF status of each channel
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Terminal Block Options: Removable for simplified wiring
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Operating Temperature: 0–60 °C
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Storage Temperature: –40–85 °C
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Certifications: UL, CE, CSA
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Weight: 0.5 kg
Key Features
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High-density 48-point module saves rack space while providing extensive input coverage
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Fast response time supports real-time monitoring applications
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Group isolation improves safety and minimizes cross-channel interference
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LED indicators allow immediate visual confirmation of input status
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Robust design for reliable performance in harsh industrial environments
Applications
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Connecting DC sensors, switches, and pushbuttons to Series 90‑30 PLC systems
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Monitoring discrete signals in manufacturing lines and process control
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Integration in high-density I/O configurations where rack space is limited
FAQ
Q: How many inputs does the IC693MDL646 support?
A: The module provides 48 discrete DC input points.
Q: What voltage range is compatible with the inputs?
A: Inputs accept 0–30 VDC, with nominal operation at 24 VDC.
Q: Are the input channels isolated?
A: Yes, 6 groups of 8 points each are isolated for safety and noise immunity.
Q: What is the typical response time?
A: Response time is less than 1 ms for fast signal detection.
