Allen-Bradley 1794-TBN Terminal Base Unit

FAQ

Q1. What is the main function of 1794-TBN?
It is a FLEX I/O terminal base used to connect field wiring to FLEX I/O modules and provide the FlexBus backplane interface.

Q2. Does it perform any signal processing?
No. It is only a wiring and connection base. All processing is handled by the installed I/O module.

Q3. What type of wiring does it use?
It uses screw clamp terminals for secure industrial field wiring.

Q4. What modules is it compatible with?
It supports most FLEX I/O modules including digital input/output, analog, and specialty modules.

Q5. What is FlexBus?
FlexBus is the internal backplane that carries power and communication signals between the terminal base and the I/O module.

Q6. What is the voltage rating?
It supports up to 250 V AC/DC field wiring systems depending on installation and module type.

Q7. Can modules be replaced while powered?
Yes, FLEX I/O supports RIUP (Removal and Insertion Under Power) depending on system configuration.

Q8. What is it mainly used for?
It is used as the standard wiring base for FLEX I/O systems, enabling modular expansion and easy field wiring in industrial automation panels.

1794-TBN Allen Bradley

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