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GE IC200GBI001-GJ VersaMax Genius Network Interface Unit
Genius network interface for one VersaMax modular I/O station. The published base IC200GBI001 transfers as many as 128 input bytes and 128 output bytes per bus scan; verify the complete -GJ nameplate before replacement.
What buyers should verify before selecting IC200GBI001-GJ
Station role
Heads one VersaMax remote I/O station and exchanges configured data with the Genius Bus Controller.
Bus data capacity
Published limit is up to 128 input bytes and 128 output bytes during each Genius bus scan.
Replacement identity
Record the complete -GJ suffix, NIU revision, Station Bus Address, baud rate and installed module order.
Description and purpose
IC200GBI001-GJ is installed at the left end of a VersaMax I/O station. It manages the local I/O stack and places the configured input and output data on the Genius serial bus. It is a network interface, not a PLC CPU, so the machine program remains in the controlling PLC or Genius Bus Controller.
Before removing an operating unit, document the rotary-switch settings, bus cable and shield, end-of-line termination, adjacent power supply, carrier order and module map. Public GE/Emerson documentation defines the IC200GBI001 base functions but does not assign a separate public feature set to -GJ; therefore the full suffix must be treated as a nameplate and revision match rather than a claimed performance upgrade.
Purchase verification
Send the complete IC200GBI001-GJ label, NIU revision, Station Bus Address, baud rate, bus-controller model, I/O list and clear photos of the Genius connector and terminators. These details allow a real compatibility check before quotation.
Technical specifications
Values below are restated from GE VersaMax Genius NIU documentation, including GFK-1535. They describe the base IC200GBI001 platform; confirm the complete -GJ supplied-unit label and the installed Genius system.
Replacing the interface without disturbing the installed bus?
Share the existing node address, baud rate, controller type, I/O map, termination layout and full IC200GBI001-GJ label. We will compare the requested unit with the installed station before preparing the offer.
Applications
Remote Genius I/O
Connects a VersaMax modular I/O station to a legacy Genius serial bus.
Distributed machine I/O
Carries cyclic field input and output data between remote modules and the controlling system.
Installed-base replacement
Restores an existing NIU position after address, baud, firmware and module-map checks.
Maintenance spares
Supports service planning for plants that continue to operate Genius-connected VersaMax stations.
Ordering information
Product image and identification notes
Photograph the complete station, not only the NIU face
Capture the front nameplate with the full -GJ suffix, both rotary-switch settings, the Genius connector, shield and termination wiring, the adjacent power supply and the first I/O carrier. A second photograph should show the complete module order and every rack in the station.
Buyer check: A visually similar NIU can still have the wrong revision, node settings or data map. Clear installation photos reduce commissioning risk.
FAQ about IC200GBI001-GJ
Is IC200GBI001-GJ a direct replacement for every IC200GBI001?
Not from the base number alone. Compare the complete suffix and revision, Station Bus Address, baud rate, controller support, adjacent power supply, installed I/O list and saved configuration before calling the unit interchangeable.
What must be recorded before removing IC200GBI001-GJ?
Record both rotary-switch settings, the module sequence, every carrier position, cable shield and termination, single- or redundant-bus arrangement, controller data allocation and current diagnostics. Take clear photos before disconnecting any wire.
How do I avoid intermittent Genius communication after replacement?
Preserve the daisy-chain trunk, approved cable and shield practice; place termination only at the two physical bus ends; keep every Station Bus Address unique; and set the same baud rate used by the complete Genius network.
How much I/O data can IC200GBI001-GJ exchange?
The published base IC200GBI001 limit is up to 128 input bytes and 128 output bytes per Genius bus scan. Check the actual module map and controller allocation so the installed station stays within that limit.
Is there a known PACSystems compatibility point for a station that contains IC200ALG240?
Yes. Emerson PACSystems CPU documentation recommends IC200ALG240 firmware 1.20 or later when that module is in an IC200GBI001 station connected to a PACSystems Genius Bus Controller. Verify the complete station list, not only the NIU.
What should I send for an accurate IC200GBI001-GJ quotation?
Send front and side nameplate photos, NIU revision, controller or bus-controller model, node address, baud rate, I/O module list, power-supply model, wiring and terminator photos, quantity and destination.
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Recommended models
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Need a verified IC200GBI001-GJ for an installed system?
Share the full nameplate, installed configuration, clear connector or terminal photos, quantity and destination. Myrtle will review model identity, compatibility and delivery requirements before quotation.
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