IC200MDL930 GE Fanuc VersaMax 8-Point Relay Output Module

Product Introduction | Industrial Relay Switching Platform

GE Fanuc IC200MDL930 is an 8-point relay output module from the VersaMax I/O series. GE Intelligent Platforms originally developed this product. Emerson Automation currently supports the product portfolio.

The module provides eight individually isolated, normally open (Form A) relay contacts. Each output operates as a dry contact and switches an externally supplied electrical load.

Its fixed-coil, moving-armature relay design supports both AC and DC switching applications. Silver-alloy contacts provide the electrical switching interface. Individual channel isolation helps separate output circuits within the control system.

The IC200MDL930 suits industrial control applications that require independent relay switching. Typical applications include contactor control, alarm circuits, and auxiliary equipment activation.

01 | Product Identity and Hardware Architecture

02 | Electrical Load Selection Matrix

The relay contacts support different external AC and DC voltage circuits. Engineers must select the load according to the applicable voltage and current limits.

Important: The listed maximum contact currents apply to resistive loads. Do not apply the same current ratings to inductive loads without checking the manufacturer's load derating requirements.

03 | Relay Switching Characteristics

The dry-contact architecture allows engineers to select suitable external load supplies. The connected circuit must remain within the specified contact ratings.

04 | Electrical Isolation and Protection

Protection considerations:

• The module does not include internal output fuses.
• The module does not include internal snubber circuits.
• Provide suitable external branch-circuit protection.
• Use appropriate suppression for inductive loads.
• Check load inrush current before selecting the output circuit.
• Follow applicable electrical protection and wiring standards.

Contactors, solenoids, and electromagnetic loads can generate switching transients. External suppression helps reduce electrical stress on relay contacts.

05 | Backplane Power and Operating Conditions

Maintain adequate cabinet ventilation during continuous operation. Monitor ambient temperature when installing multiple modules in a compact enclosure.

Thermal derating may apply when operating conditions exceed the specified temperature limit. Consult the manufacturer's installation documentation before using the module outside its stated range.

06 | VersaMax System Installation

Install the module in the compatible VersaMax I/O system. Verify the backplane and terminal assembly before connecting field circuits.

1. System Check: Confirm the VersaMax rack and installation configuration.
2. Power Isolation: Disconnect relevant control and field power supplies.
3. Module Positioning: Identify the correct mounting position.
4. Hardware Installation: Secure the module according to manufacturer instructions.
5. Wiring Preparation: Identify all eight output circuits.
6. Load Verification: Check voltage, current, and load characteristics.
7. Protection Setup: Install suitable fuses and suppression devices.
8. Commissioning: Test each relay output individually.

Keep field wiring consistent with the project electrical drawings. Clearly identify each output channel to simplify commissioning and maintenance.

07 | LED Diagnostics and Maintenance

The module provides individual channel indicators and a module OK indicator.

Recommended maintenance checks:

• Compare channel LED status with PLC output commands.
• Inspect relay terminals for loose connections.
• Check contact performance during scheduled maintenance.
• Inspect external suppression and protection components.
• Review load current against the specified contact limits.
• Check cabinet ventilation and operating temperature.

If an output fails to switch, inspect the field supply and external wiring first. Then check the PLC command, terminal connections, and relay contact condition.

08 | Industrial Applications

• Motor Control: Switching compatible contactor control circuits.
• Process Automation: Activating auxiliary process equipment.
• Alarm Systems: Controlling external alarm and annunciation circuits.
• Machine Control: Switching independently controlled electrical loads.
• Utility Systems: Operating compatible auxiliary electrical equipment.
• Industrial Panels: Providing isolated relay outputs for control cabinets.

Verify the electrical load characteristics before assigning each output. Application suitability depends on voltage, current, switching frequency, and load type.

09 | Standards and Compliance

Confirm the applicable product revision and certification documentation for the installation region. Follow local electrical codes and system-level compliance requirements.

10 | Product Supply and Commercial Information

• Product: GE Fanuc IC200MDL930.
• Series: VersaMax I/O.
• Description: 8-Point Individually Isolated Relay Output Module.
• Packaging: New & Original in Factory Packing.
• Warranty: Factory Warranty: 12 Months.
• Shipping: FedEx, UPS, and DHL.
• Dispatch: 24–48 hours, subject to stock confirmation.

Contact our sales team for quotation, availability, and technical assistance. Provide your application voltage and load requirements for additional selection support.

Global PLC Spare HUB | Relay Application Insight

The IC200MDL930 provides eight independent Form A relay outputs for AC and DC load switching. Its individual isolation structure supports separate field circuits within a VersaMax control installation.

One important engineering consideration is the difference between resistive and inductive loads. Contact current ratings cannot be transferred directly between these load categories.

For inductive applications, engineers should evaluate inrush current, switching transients, and contact protection. The absence of internal fuses and snubbers makes external circuit protection an important design requirement.

Proper load selection and thermal management help maintain reliable relay operation. These checks should form part of the initial design and periodic maintenance procedures.

Professional FAQ | Relay Selection and Field Engineering

1. Why should the minimum contact current be considered when selecting connected loads?

The specified minimum contact current is 10 mA per point. Loads below this value may not provide reliable contact performance under all conditions. Check the actual load current before connecting low-current electronic inputs.

2. Can one output control a contactor coil directly?

It depends on the coil's voltage, steady-state current, and inrush characteristics. Compare these values with the relay contact ratings. Provide suitable external suppression when required. Use an interposing relay when the load exceeds the permitted switching conditions.

3. What should technicians investigate when an LED indicates an active output but the load does not operate?

Check the external field supply first. Then inspect the load fuse, terminal wiring, and contact continuity. An illuminated channel indicator does not independently confirm that the external load circuit is complete.

4. How should engineers distribute loads across the eight output points?

Calculate each circuit's operating current and inrush demand. Keep every channel within its applicable voltage and current limits. Consider the load type and switching frequency when assigning channels. Provide individual branch protection where required by the electrical design.

5. What should be evaluated when replacing this module in an operating VersaMax system?

Compare the exact catalog number and hardware configuration. Review the terminal arrangement, field wiring, PLC output assignments, and connected load ratings. Plan a controlled shutdown and test each output after installation. Confirm that the replacement meets the existing system's electrical requirements.

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