GE IC200MDD842B – VersaMax 24VDC Discrete Mixed I/O Module (16 Inputs / 16 Outputs, ESCP)

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Product Introduction: The IC200MDD842B, manufactured by Emerson (GE Intelligent Platforms), is a high-density discrete mixed input/output module in the VersaMax PLC series. As an enhanced revision of the IC200MDD842, it adds full negative logic support while integrating 16 digital inputs and 16 digital outputs into a single compact unit. Designed for seamless integration with VersaMax systems, it serves as a cost-effective solution for industrial automation requiring both signal sensing and control actuation, with robust protection and diagnostic features for reliable operation in harsh environments.

Technical Specifications

Manufacturer: Emerson (GE Intelligent Platforms / GE Fanuc)
Model: IC200MDD842B
Series: VersaMax PLC System
Module Type: Discrete Mixed Input/Output Module
Total I/O Points: 32 (16 inputs + 16 outputs)
Input Configuration: 16 points (2 groups × 8 points), 24VDC nominal
Output Configuration: 16 points (1 group), 24VDC nominal, sourcing type
Logic Support: Positive logic (sinking) and negative logic (sourcing) fully supported
Load Current: 0.5A per point (30VDC maximum)
Response Time: 0.5ms maximum (input and output)
External Power Supply: 18–30VDC (24VDC nominal)
Backplane Current: 100mA maximum (5VDC)
Isolation: 250VAC continuous; 1500VAC for 1 minute (input-to-logic, group-to-group)
Protection Features: Electronic Short Circuit Protection (ESCP), electronic overcurrent protection, free-wheeling diodes (outputs)
LED Indicators:
- Green LED per point: Input/output on-state status
- Amber LED per point: Output overload/short circuit fault
- FLD PWR LED: External field power presence
- OK LED: Backplane power and module operational status
Dimensions (W×H×D): 110mm × 66.8mm × 50mm
Weight: 0.28kg (0.62lbs)
Operating Temperature: 0°C to +60°C (32°F to 140°F)
Storage Temperature: -40°C to +70°C (-40°F to 158°F)
Relative Humidity: 5%–95% (non-condensing)
Certifications: CE, UL, CSA (industrial safety and EMC compliance)
Protection Class: IP20
Mounting: DIN rail or VersaMax I/O carrier

Key Features

Dual Logic Compatibility: Supports both positive and negative logic inputs, enabling flexible connection to diverse sensor and switch types.
High-Density I/O Integration: Combines 16 inputs and 16 outputs in one module, saving cabinet space and reducing system cost.
Enhanced Electrical Protection: Each output features ESCP, overcurrent protection, and free-wheeling diodes to prevent damage from short circuits and inductive load kickback.
Fast Response Performance: 0.5ms response time ensures real-time signal processing for high-speed automation tasks.

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