GE IC694BBM331C Bus Receiver Module

FAQ

Q1. What is the IC694BBM331C used for?
It is a bus receiver module used to connect RX3i expansion backplanes to the main PLC rack.

Q2. Which PLC platform is it designed for?
The IC694BBM331C is designed specifically for the GE RX3i PLC system.

Q3. What role does the module play in system expansion?
It receives and manages backplane communication signals from the expansion bus.

Q4. Can it be used with Series 90-30 systems?
No, it is intended for RX3i systems, although RX3i supports some Series 90-30 compatibility.

Q5. Does the module provide electrical isolation?
Yes, it provides isolation between logic circuitry and the backplane interface.

Q6. Does the IC694BBM331C require external power?
No, it is powered directly through the PLC backplane.

Q7. What are the physical dimensions and weight of the module?
The module measures approximately 10.5 × 12.8 × 4.0 cm and weighs about 0.32 kg.

Q8. Is hot-swap supported for this module?
No, system power must be turned off before installation or removal.

Q9. Where is this module typically installed?
It is installed in the first slot of an RX3i expansion rack.

Q10. Is the IC694BBM331C still available?
It is a mature product and remains available through authorized, surplus, and refurbished channels.