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IC660CBB903

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General Electric IC660CBB903 is a Phase B Series Six Genius Bus Controller without automatic I/O-block diagnostic reporting to the CPU.
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Technical specifications for IC660CBB903

  • Manufacturer:
    General Electric
  • Part Number:
    IC660CBB903
  • Product Family:
    GE Genius I/O
  • Product Type:
    Series Six Bus Controller
  • Stock:
    1
  • Controller Phase:
    Phase B
  • Diagnostic Function:
    Without automatic I/O-block diagnostics to CPU
  • Bus Capacity:
    Up to 31 other devices
  • Rack Load:
    20 load units at +5 V
  • +12 V Load:
    Not used
  • Bus Cable:
    Shielded twisted pair
  • Status Indicators:
    BOARD OK and COMM OK
  • HHM Connector:
    Front-panel connector
  • Tariff Code:
    8537101190
  • Country of origin:
    United States
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Bus Operation Rack Placement Addressing Troubleshooting

Features:

  • Phase B Series Six interface for one Genius serial bus
  • Supports up to 31 additional Genius devices on the bus
  • BOARD OK and COMM OK indicators with front-panel Hand-held Monitor access
IC660CBB903 is the Phase B Series Six bus-controller option that operates without automatic I/O-block diagnostic reporting to the CPU.

It manages the two asynchronous data paths formed by the Genius bus scan and the PLC sweep, using onboard memory to exchange inputs, outputs, commands, and status.

A correct installation depends on rack power, I/O reference allocation, bus baud rate, cable length, channelization, and the mix of Phase A and Phase B devices in the system.

The General Electric IC660CBB903 Series Six Bus Controller may remain available for legacy-system quotation and support through Apter Power.
General Electric IC660CBB903 Series Six Bus Controller Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Scan and data exchange

  • Bus token: The Genius bus scan rotates a communication token among the connected devices.
  • Input handling: The controller receives and stores input data produced by I/O blocks during the bus scan.
  • Output handling: Permitted output data and commands are distributed to selected blocks from the Series Six CPU.
  • Shared memory: Dedicated onboard RAM bridges the bus scan and the independent PLC sweep.

Series Six installation

  • Supported racks: The module can occupy the CPU rack or an applicable regular or high-capacity local I/O rack.
  • Rack load: Each controller consumes 20 load units at +5 V and no +12 V power.
  • Local distance: A local I/O rack may be positioned up to the documented distance from the CPU through the Series Six I/O chain.
  • Remote rack caution: Remote-rack placement is possible but reduces communications capability and is not recommended for fast I/O.

Reference and channel planning

  • I/O references: Blocks on separate Genius buses must not use overlapping Series Six reference ranges.
  • Channelization: Phase B hardware can perform channel selection where expanded I/O addressing is used.
  • Mixed I/O: Conventional and Genius I/O sharing a channel require predetermined reference areas to prevent conflicts.
  • System capacity: The practical number of controllers is governed by CPU I/O addressing and rack-power capacity.

Observed indications

  • BOARD OK: This indicator identifies the operating state of the bus-controller module.
  • COMM OK: This indicator reflects communication status on the connected Genius bus.
  • Central monitoring: The faceplate connector permits bus and block monitoring, forces, pulse tests, and fault review with an HHM.
  • No CPU block reports: I/O-block diagnostics must be reviewed with the HHM because this model omits automatic diagnostic delivery to the CPU.
Description
IC660CBB903 is a Phase B Series Six Bus Controller that links one Genius serial bus to a Series Six PLC. The bus can coordinate data exchange with as many as 31 additional Genius devices while the controller occupies its assigned Series Six rack position.

Unlike the diagnostic Series Six controller variant, IC660CBB903 does not automatically transfer I/O-block diagnostic messages to the CPU. Those device diagnostics remain available locally through a compatible Hand-held Monitor connected at the controller front panel or elsewhere on the bus.

Phase B capabilities in IC660CBB903 support applications that use nonstandard baud rates, longer bus arrangements, larger Genius blocks, RTD blocks, programmed communications, and supported redundancy functions. These capabilities distinguish it from earlier Phase A operation.

A system using IC660CBB903 may include Phase A and Phase B devices when their individual restrictions are respected. Genius bus scanning and Series Six CPU servicing are asynchronous, so the controller buffers the exchanged I/O and communications data between the two systems.
Alternative Names
IC660 CBB 903 IC660-CBB-903 IC66OCBB903 1C660CBB903 General Electric IC660CBB903 GE Fanuc IC660CBB903 GE Genius IC660CBB903 Series Six IC660CBB903
Technical notes
IC660CBB903 provides eight output-reference bits, but only the first is used to disable all outputs on its connected Genius bus.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How does IC660CBB903 differ from IC660CBB902?
IC660CBB903 does not automatically send I/O-block diagnostics to the Series Six CPU, while IC660CBB902 includes that diagnostic reporting function.
How many devices can operate on the IC660CBB903 Genius bus?
IC660CBB903 can share its Genius bus with up to 31 other devices, subject to the documented bus and addressing limits.
Can technicians still view block diagnostics with IC660CBB903?
With IC660CBB903, I/O-block diagnostics remain available on a connected Genius Hand-held Monitor even though they are not automatically sent to the CPU.
Where can IC660CBB903 be installed in a Series Six system?
IC660CBB903 can be installed in the CPU rack or an applicable local I/O rack when rack load, channel, and reference requirements are satisfied.
Which rack power does IC660CBB903 consume?
IC660CBB903 draws 20 Series Six load units at +5 V and the Phase B module does not use the +12 V supply.
What should be checked when IC660CBB903 bus communication is unstable?
For IC660CBB903, check baud rate, shielded twisted-pair polarity, termination, cable length, device addresses, and the COMM OK indication.
Can IC660CBB903 be mixed with Phase A Genius products?
IC660CBB903 can operate in a mixed system under the documented restrictions, including the limit on Phase B controllers when Phase A products share the bus.