Product Introduction

The GE IC200MDD844 is a VersaMax Discrete Mixed I/O Module developed for PLC-based industrial automation systems. By combining digital input and output channels, it provides a practical interface between the controller and connected field devices.

The module features 16 input points and 16 positive-logic DC output points. Its input section receives signals from devices such as proximity sensors, pushbuttons, and limit switches, while its output section can control compatible DC loads, including indicator lamps and relay or contactor control circuits.

For automation engineers, the IC200MDD844 offers a compact approach to handling mixed discrete signals within a VersaMax I/O configuration. Correct installation requires a compatible carrier base, suitable field power supplies, and properly configured PLC hardware and application logic.

When purchasing a replacement or integrating the module into an existing system, verify the complete catalog number, hardware revision, I/O configuration, and compatibility with the installed VersaMax controller and carrier.

Technical Specifications

Parameter	Specification
Brand	GE Fanuc / GE Intelligent Platforms
Model	IC200MDD844
Product Series	VersaMax
Product Type	Discrete Mixed I/O Module
Total I/O Points	32
Digital Inputs	16 points
Digital Outputs	16 points
Input Voltage	24 VDC
Output Type	Positive Logic / Sourcing
Output Voltage	12/24 VDC
Maximum Output Current	0.5 A per point
Carrier Requirement	Compatible VersaMax carrier base
Dimensions	110 × 66.8 × 50 mm
Weight	0.16 kg / 0.35 lb

Electrical limits, input logic options, response times, and carrier compatibility should be confirmed against the documentation for the exact hardware revision.

Recommended Related Models

The following VersaMax modules offer different discrete I/O arrangements and may be relevant when expanding or maintaining an existing PLC system.

Model	Product Description
GE IC200MDD840	VersaMax Discrete Mixed I/O Module
GE IC200MDD841	VersaMax Discrete Mixed I/O Module
GE IC200MDD842	VersaMax Discrete Mixed I/O Module
GE IC200MDD843	VersaMax Discrete Mixed I/O Module
GE IC200MDD845	VersaMax Discrete Mixed I/O Module

These models have different input and output configurations, so their electrical characteristics should be compared before selecting an alternative.

Popular Related Models

Other GE VersaMax automation components that may be useful for PLC maintenance, system expansion, and spare-parts planning include:

GE IC200MDD840 Discrete Mixed I/O Module
GE IC200MDD841 Discrete Mixed I/O Module
GE IC200MDD842 Discrete Mixed I/O Module
GE IC200MDD843 Discrete Mixed I/O Module
GE IC200MDD845 Discrete Mixed I/O Module
GE IC200CHS Series I/O Carrier Bases

Applications

The GE IC200MDD844 VersaMax Discrete Mixed I/O Module combines digital input and output functions in a compact module, allowing a PLC system to monitor field signals and control external devices through a single I/O unit.

With 16 input points and 16 output points, it is suitable for industrial automation applications that require both signal acquisition and discrete device control.

Typical applications include:

Automated production and assembly lines
Conveyor and material handling systems
Industrial machine control panels
Sensor and limit-switch monitoring
Contactor and relay control circuits
Packaging and processing equipment
Distributed PLC control systems

The module is particularly useful where a combination of digital input monitoring and DC output control is required within a VersaMax automation architecture.

Key Features and Integration Advantages

Combined Input and Output Functions

The IC200MDD844 integrates 16 discrete inputs and 16 discrete outputs, helping reduce the need for separate input and output modules in suitable control applications.

24 VDC Input Compatibility

Its input section is designed for 24 VDC field signals and supports positive/negative logic configurations according to the applicable module specifications.

Positive Logic DC Outputs

The output section provides 16 positive-logic DC output points, with a specified load capacity of up to 0.5 A per point.

Compact VersaMax Architecture

Its compact form factor supports space-conscious PLC panel layouts and distributed I/O installations.

Individual Point Monitoring

Module status indicators help maintenance personnel identify the operating state of individual I/O points during commissioning and troubleshooting.

Carrier-Based Installation

The module is designed to work with a compatible VersaMax carrier base, making correct carrier selection an important part of system configuration.

Technical FAQs

Q1: What is the primary function of the GE IC200MDD844?

It combines digital input and output functions in one VersaMax module. It receives field signals through its input channels and sends DC control signals through its output channels.

Q2: How many input and output points does the module provide?

The IC200MDD844 provides 32 total I/O points, consisting of 16 digital inputs and 16 digital outputs.

Q3: What input voltage does the IC200MDD844 support?

The input section is designed for 24 VDC field signals. Confirm the supported logic configuration and input wiring requirements using the documentation for the exact module revision.

Q4: What type of output does this module provide?

It provides 16 positive-logic DC outputs. The outputs are sourcing type, meaning they supply current to connected loads from the positive DC supply.

Q5: What is the maximum output current per point?

The specified output load current is up to 0.5 A per point at the applicable operating conditions. The total load and simultaneous output operation must also remain within the module's electrical limits.

Q6: Does the IC200MDD844 require a separate carrier base?

Yes. It requires a compatible VersaMax carrier base, such as an appropriate IC200CHS-series carrier. Confirm the carrier model and installation arrangement before commissioning.

Q7: Can the module directly control industrial motors?

It is intended for discrete DC signal control rather than direct motor power switching. Motors and other higher-power loads generally require suitable contactors, relays, or motor-control equipment.

Q8: What should be checked if an input point does not respond?

Inspect the field sensor, 24 VDC supply, input common connection, terminal wiring, and input logic configuration. The corresponding channel indicator can also help identify the signal status.

Q9: Why might an output point fail to activate?

Possible causes include incorrect PLC logic, missing field power, wiring errors, excessive load current, or an output-channel fault. Check the output indicator and verify the connected load and supply conditions.

Q10: Can the IC200MDD844 replace another VersaMax mixed I/O module?

Not automatically. Different mixed I/O modules may have different point arrangements, output types, voltage ratings, and electrical characteristics. Compare the complete catalog numbers and system configuration before replacement.

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