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Product Introduction
The GE IC693MDL655G is a high-performance digital input module from the GE Series 90-30 PLC family, tailored for industrial automation applications that require reliable and flexible signal input processing. This module features positive and negative logic capability, making it versatile in accommodating various field devices. With 32 discrete input points, the module supports 24 VDC sink/source inputs, divided into four isolated groups of eight inputs each, allowing for flexible wiring and reduced electrical noise interference.
Designed with durability and operational efficiency in mind, the IC693MDL655G is widely implemented in environments that demand consistent and accurate signal acquisition from sensors, switches, and other field devices. Its LED status indicators provide immediate input status feedback, simplifying troubleshooting and system monitoring.
Product Specifications
| Parameter | Value |
| Manufacturer | GE Fanuc / GE Automation |
| Product Series | Series 90-30 |
| Model Number | IC693MDL655G |
| Module Type | Digital Input Module |
| Input Type | Discrete (Sinking/Sourcing) |
| Number of Input Points | 32 |
| Input Voltage Range | 24 VDC nominal (15–30 VDC range) |
| Input Current | 7 mA (typical) at 24 VDC |
| Logic Type | Positive or Negative Logic |
| Isolation Groups | 4 groups of 8 inputs (individually isolated) |
| Input Delay Time | 7 ms (ON to OFF and OFF to ON) typical |
| Indicators | LED indicators per input point |
| Backplane Power Consumption | 110 mA @ 5 VDC |
| Module Format | Standard Single-Slot |
| Dimensions (H × W × D) | 128 x 55 x 105 mm |
| Weight | 0.281 kg |
| Mounting Type | DIN Rail or Panel Mount |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Agency Approvals | UL, CE, CSA |
Applications
The IC693MDL655G is suitable for a wide range of industrial and automation environments, including:
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Manufacturing Automation – Input collection from limit switches, proximity sensors, and push buttons.
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Material Handling Systems – Monitoring input signals from conveyors and sorters.
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Process Control Systems – Integrating discrete inputs in water treatment, chemical plants, and food processing.
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Power Plants & Utilities – Monitoring auxiliary device statuses like valve positions and motor feedback.
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Building Automation – Used for BMS integrations with input signals from fire alarms, security systems, and more.
Advantages
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Flexible Logic Input Support: Supports both sinking and sourcing input types.
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Group Isolation: Four isolated input groups increase system reliability and reduce electrical interference.
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High-Density Input: 32 input points in a single module save panel space and reduce overall cost.
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Visual Diagnostics: On-board LED indicators per channel for fast diagnostics and maintenance.
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Reliable Performance: Proven stability and ruggedness in industrial environments.
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Integration Friendly: Fully compatible with GE Series 90-30 PLC systems and GE Fanuc CPUs.
Latest News Headlines About the Product or Series
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GE Automation Expands Digital IO Portfolio with Enhanced 90-30 Series Modules
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Legacy Series 90-30 Modules Remain Industry Standard in Industrial Control
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GE IC693 Series Shows Resilient Demand in Replacement Parts Market
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GE Fanuc Control Systems Still a Backbone in Global Manufacturing Plants
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Field Technicians Favor GE 90-30 Series for Its Troubleshooting Simplicity
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Integrators Continue to Choose GE Digital Modules for Harsh Environments
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GE’s PLC Modules Endure in Power Sector Retrofits
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Positive/Negative Logic Modules Enable Flexible Field Device Integration
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GE IC693 Series: The Go-To for Industrial Automation Retrofits
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Increased Demand for GE Discrete Input Modules in Oil & Gas Sector
Frequently Asked Questions (FAQ)
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What type of logic does the IC693MDL655G support?
It supports both positive and negative logic, making it adaptable for different wiring needs. -
How many input points are available on this module?
The module has 32 discrete input channels. -
Is the IC693MDL655G compatible with all Series 90-30 CPUs?
Yes, it is compatible with all GE 90-30 CPUs that support discrete input modules. -
What is the isolation grouping of the input channels?
Inputs are grouped into four isolated groups of 8 inputs each. -
What is the voltage range supported for input signals?
It operates with a 15–30 VDC range, nominally 24 VDC. -
Does it support hot-swapping?
No, the IC693MDL655G does not support hot-swapping. Power should be off before installation/removal. -
What’s the typical response time for input changes?
About 7 milliseconds from ON to OFF or OFF to ON. -
Can I mount this module on a DIN rail?
Yes, it supports DIN rail or panel mounting. -
Does this module have built-in diagnostic LEDs?
Yes, each input point has an LED to indicate its current status. -
What makes this module suitable for harsh environments?
Its wide temperature range, rugged design, and isolation make it ideal for industrial settings.
Related Models (Same Series)
| Model Number | Description | Input/Output Type | Points | Voltage |
| IC693MDL645 | 32-Point DC Positive Logic Input Module | Discrete Input | 32 | 24 VDC |
| IC693MDL646 | 16-Point AC Input Module | Discrete Input | 16 | 120 VAC |
| IC693MDL730 | 8-Point Relay Output Module | Relay Output | 8 | 120 VAC |
| IC693MDL340 | 16-Point DC Output Module | Discrete Output | 16 | 12/24 VDC |
| IC693MDL350 | 16-Point AC Output Module | Discrete Output | 16 | 120 VAC |
| IC693MDL654 | 32-Point DC Input Module, Negative Logic | Discrete Input | 32 | 24 VDC |
| IC693MDL390 | 8-Point High-Speed Counter Input Module | Special Function | 8 | 120 VAC |
| IC693MDL645E | Enhanced 32-Point DC Input Module | Discrete Input | 32 | 24 VDC |
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