Yokogawa SB401-10-2 ESB Bus Interface Slave Module

Frequently Asked Questions (FAQ)

Q1: What is the main function of the SB401-10-2 module?
A1: It serves as an interface module to connect field I/O modules to the FCU via the ESB bus.

Q2: Can the SB401-10-2 module be used in a redundant configuration?
A2: Yes, two SB401 modules can be used together in a dual-redundant configuration.

Q3: How many SB401 modules are used per Node Unit?
A3: Typically, one SB401 module is used; in redundant systems, two modules are installed.

Q4: What rack mounting size is compatible with the SB401?
A4: The module is designed for standard 19-inch rack mounting.

Q5: Is SB401 compatible with both ANB10S and ANB10D Node Units?
A5: Yes, it is compatible with both single and dual-redundant node units.

Q6: Does the SB401 support hot swapping?
A6: No, hot swapping is not supported. Power must be off during installation or replacement.

Q7: What is the required position of the SB401 module within the Node Unit?
A7: It is mounted in dedicated slots of the Node Unit as per the configuration guidelines.

Q8: Can SB401 be used with Optical ESB Bus Node Units?
A8: No, SB401 is designed for standard ESB Bus connections, not optical.

ESB Bus Interface Slave Module SB401-10-2 Yokogawa

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