Product Overview
The GE IC200MDD840 is a 32-point combination discrete I/O module from the VersaMax I/O series, formerly produced by GE Intelligent Platforms and now under Emerson Automation. This module integrates twenty (20) 24 VDC positive-logic inputs and twelve (12) Form A relay contact outputs rated at 2.0 Amperes. It draws a maximum backplane current of 375 mA, making it a compact yet powerful solution for mixed-signal control applications.
Technical Specifications Breakdown
Input Characteristics
- Number of Inputs: 20
- Input Signal, Nominal: 24 VDC
- Input Signal Range: 0-30 VDC
- Types of Input Points: Positive-Logic/Sourcing
- On-State Current: 2.0 to 5.5 mA
Output Characteristics
- Number of Outputs: 12
- Output Channels: Six (6) Form A relay contacts
- Contact Output Rating: 10 mA per point minimum; 2.0 A for 5 to 265 VAC maximum (resistive); 2.0 A for 5 to 30 VDC maximum (resistive); 0.2 A for 31 to 125 VDC maximum (resistive)
- Output Voltage: 0 to 125 VDC; 0-265 VAC (47-63 Hz), 120/240 VAC nominal
Power and Isolation
- Input Voltage: 24 VDC
- External Power Supply: 0-125 VDC, 5/24/125 VDC nominal; 0-265 VAC (47-63 Hz), 120/240 VAC nominal
- Current Draw: 375 mA, maximum
- Channel Isolation: Two (2) groups of six (6) outputs each
Physical Dimensions
- Dimensions: 110 mm (4.3 in) x 66.8 mm (2.63 in) x 50 mm (1.956 in)
Industry Applications
The IC200MDD840 excels in environments requiring both discrete sensing and relay actuation. Common applications include:
- Packaging Machinery: Use the 24 VDC inputs to monitor sensor status (e.g., product presence) and the relay outputs to control pneumatic valves or conveyor motors.
- Material Handling Systems: The positive-logic inputs reliably read limit switches or proximity sensors, while the Form A outputs drive alarms or diverters.
- HVAC Control: The module's 0-30 VDC input range accommodates various temperature or pressure transducers, and the relay outputs manage fan or damper actuators.
Installation & Setup Guidance
Mount the IC200MDD840 on a VersaMax backplane and secure it with the provided locking mechanism. Connect the 24 VDC input power to the designated terminals. For output loads, provide an external power supply within the rated voltage range (0-125 VDC or 0-265 VAC). Wire each input to a sourcing device (e.g., a 3-wire sensor) and each output to the load, ensuring the total current per output group does not exceed 8.0 A. After wiring, verify the LED indicators for proper channel status.
Maintenance & Reliability
Periodically inspect the module for dust accumulation and ensure the backplane connection remains tight. Check the relay contacts for signs of wear if switching high-current loads frequently. The module's solid-state inputs require no routine calibration, but verify the filter time settings (0 ms, 1.0 ms, or 0.7 ms) to match the noise environment. Following these steps helps maximize uptime and extend service life.
Compatibility & Integration
The IC200MDD840 integrates seamlessly with VersaMax backplanes and network interface units (NIUs). It works with GE Fanuc PLC systems that support the VersaMax I/O family, including CPUs and remote I/O racks. The module does not include internal fuses or channel-to-channel isolation, so external protection may be required. For system design, consult the VersaMax I/O user manual.
Buying Guide & Purchasing Advice
Before ordering the IC200MDD840, verify your backplane slot availability and power budget (375 mA maximum draw). Confirm that your application requires sourcing inputs and Form A relay outputs. For current availability and lifecycle status, contact SpareTechPLC. We stock genuine GE Fanuc modules and can recommend compatible accessories.
Frequently Asked Questions
Q1: Does the IC200MDD840 require an external power supply for the outputs?
Yes. While the module draws power from the backplane, all output loads need an external power source within the rated voltage range (0-125 VDC or 0-265 VAC).
Q2: What is the maximum current per output group?
Each group of six relay outputs can handle up to 8.0 A total, with each point rated at 2.0 A maximum for resistive loads.
Q3: Can I use the IC200MDD840 with 120 VAC sensors?
No. The inputs are designed for 24 VDC nominal (0-30 VDC range). For AC sensors, use a different module or add an interface relay.
Q4: How do I set the input filter time?
The module supports configurable filter times of 0 ms, 1.0 ms, or 0.7 ms. The default is 1.0 ms. Configure via the VersaMax programming software.
Q5: Is the IC200MDD840 still in production?
The VersaMax series is now under Emerson Automation. Please verify current lifecycle status and availability with SpareTechPLC before ordering.
