Description
- Model & Brand: GE Fanuc / General Electric IC220MDL721
- Series: VersaPoint Distributed I/O
- Part Type: 24 VDC Positive Logic Discrete Output Module
- Physical Dimensions: Approximately 12 mm wide × 90 mm high × 73 mm deep for the narrow VersaPoint module format; verify the assembled station and terminal-strip projection for cabinet drawings.
- Estimated Shipping Weight: Approximately 0.33 kg / 0.73 lb for the module before additional export packaging.
- What’s in the Box: IC220MDL721 output module and applicable ESD/QC packaging. The required IC220TBK082 terminal strip is associated with this module and should be confirmed separately on the purchase order.
Product Introduction
The GE IC220MDL721 mounts into a VersaPoint distributed I/O station as a two-channel 24 VDC positive-logic output module. Its two transistor outputs are intended for field actuators such as contactors, indicator lamps, interposing relays, and other DC loads, with each channel rated at 2.0 A nominal. The narrow module format makes it useful where the VersaPoint station has limited DIN-rail width (the complete station width still depends on the adjacent modules and terminal components).
At the electrical interface, the module provides 24 VDC output, supports 2-, 3-, and 4-wire actuator connections, and incorporates short-circuit and overload protection. GE documentation identifies the module as requiring one IC220TBK082 terminal strip; the electronics and terminal strip should therefore be treated as a matched installation set during brownfield maintenance.
Core Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | GE Fanuc / General Electric |
| Model | IC220MDL721 |
| Series | VersaPoint I/O |
| Product Type | Discrete Output Module |
| Logic Type | 24 VDC Positive Logic |
| Number of Outputs | 2 points |
| Nominal Output Voltage | 24 VDC |
| Rated Current per Channel | 2.0 A |
| Total Output Current | 4.0 A maximum |
| Output Technology | Solid-state transistor output |
| Differential Output Voltage | Approximately 1 V or less |
| Supported Actuator Wiring | 2-, 3-, and 4-wire |
| Ohmic Load | Approx. 12 Ω / 48 W |
| Lamp Load | Approx. 48 W |
| Inductive Load | Approx. 48 VA under documented load conditions |
| Typical OFF-to-ON Delay | Approx. 200 µs for ohmic load |
| Typical OFF-to-ON Delay, Lamp | Approx. 200 ms under specified conditions |
| Inductive Response | Approximately 250 ms under specified test load |
| Overload Protection | Auto-restart overload response |
| Short-Circuit Protection | Yes |
| Status Indication | Individual output LEDs |
| Bus Diagnostics | Diagnostic LED |
| Required Terminal Strip | IC220TBK082 |
| Isolation Requirement | Logic/I/O isolation requires appropriate separate supply architecture |
| Mounting | VersaPoint terminal station / DIN-rail assembly |
| Module Width | Approximately 12 mm |
| Nominal Current Consumption | Refer to VersaPoint station current-budget table |
| Firmware | No user application firmware |
| Hot Replacement | Do not assume live replacement without verifying the station procedure |
| Lifecycle Position | Legacy / Discontinued |
Output-load considerations
The 2.0 A per channel rating is the key electrical purchasing parameter, but it should not be confused with a universal load rating for every type of device. Lamp and inductive loads have different switching behavior from a resistive load, and GE’s published response figures reflect those differences.
For inductive loads, suppression and the actual coil characteristics deserve attention. A field device that draws less than 2 A can still produce substantial transient energy when de-energized.
Power and thermal considerations
The output module draws logic/bus power from the VersaPoint station while the field-output current comes from the station’s field supply architecture. GE’s VersaPoint documentation also warns that logic-level and I/O-area isolation requires the bus terminal and digital output module to be supplied from separate power supplies, with the two supplies not interconnected.
Cabinet heat should therefore be calculated from both station electronics and field-load behavior rather than from the module’s narrow physical width alone.

GE IC220MDL721
🚨 Global Compliance & Industry Certifications
The IC220MDL721 is legacy VersaPoint industrial I/O hardware. Compliance should be evaluated against the complete VersaPoint station, power-terminal arrangement, network interface, and installed cabinet.
- CE Mark: Verify applicability for the relevant VersaPoint product revision and complete station.
- UL/cUL: Confirm the applicable industrial-control approval for the assembled VersaPoint system and installation conditions.
- ATEX / IECEx: Do not assume standalone hazardous-area certification for the IC220MDL721.
- Marine approvals: DNV GL or similar marine approval should not be inferred from the VersaPoint designation.
- Electrical isolation: The isolation behavior depends partly on the way the bus and I/O supplies are arranged; do not treat the transistor outputs as independently isolated simply because the module provides protection circuitry.
- Country of Origin: Establish from actual manufacturing traceability.
- HS Tariff Classification: Confirm the final tariff code with the destination-country customs broker.
For plant safety, correct power separation matters because it can preserve the intended electrical isolation between control logic and the field output circuits. An incorrect supply arrangement can defeat that design even when the module itself is functioning normally.
Verify specific lot certifications with OEM.
🚨 Long-Term Storage & Asset Preservation Guide
Keep the in an ESD shielding bag until installation. Protect the terminal-strip interface and module contacts from dust, moisture, and repeated handling.
Use a dry warehouse with no condensation. For long-term inventory, maintaining relative humidity below approximately 60% RH is a practical target even though the wider VersaPoint system environment may permit higher non-condensing humidity.
Before issuing the module, inspect the two output channels’ terminals, LED windows, housing, and mating interface. Pay close attention to signs of overheating around the output switching devices; repeated overloads can leave thermal discoloration even when the module still powers up.
Keep the required IC220TBK082 terminal strip associated with the inventory record. The terminal hardware is not an interchangeable afterthought, particularly where the existing field wiring has been built around the original VersaPoint terminal arrangement.
Physical Installation Prerequisites
Install the in the designated VersaPoint station and fit the required IC220TBK082 terminal strip. The module is part of a modular terminal-station architecture, so the neighboring modules and power terminals determine the actual physical envelope.
Mount the station securely on the specified DIN rail and preserve the manufacturer’s required spacing for adjacent modules and wiring ducts. Do not impose an arbitrary 50 mm clearance when the VersaPoint mechanical arrangement uses a much narrower modular spacing.
Verify the field supply before connecting the outputs. The module is a 24 VDC positive-logic output, and the field load must remain within the transistor-output and load-type limitations.
For isolation-sensitive installations, verify the supply architecture carefully. The bus terminal and digital output module may need to use separate supplies to maintain electrical isolation; do not interconnect those supplies unless the approved system design explicitly permits it.
Before replacement, record output-terminal assignments and check whether the connected loads are resistive, lamp, or inductive. This determines how the output channel should be tested after installation.
Buyer’s FAQ — Logistics & Compliance Focus
Q: What HS Tariff Code should I use for ?
A: The is an industrial discrete-output PLC/DCS component, but the final Harmonized System classification depends on the importing country’s tariff schedule and customs interpretation. Have the customs broker confirm the code before the commercial invoice is finalized.
Q: Does the shipment location determine Country of Origin?
A: No. COO should be supported by manufacturing or traceability documentation for the actual module or lot. Warehouse location and export port do not independently establish origin.
Q: Does the include the latest firmware pre-loaded?
A: No user application firmware is involved in the same way as a programmable CPU. This is a discrete transistor-output module whose behavior is governed by the VersaPoint station configuration and host controller. Verify the module identity and station configuration rather than expecting a firmware upgrade to change its electrical rating.
Q: How should I handle shipping insurance for this legacy module?
A: Insure the shipment for the documented commercial replacement value and retain pre-shipment photographs of the model label, output terminals, housing, and packaging. Use an ESD shielding bag, rigid protection around the terminal interface, moisture protection, and internal cushioning so the narrow module cannot be crushed or displaced during transport.



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