Yokogawa SB401-11 S1 ESB Bus Interface Slave Module

Frequently Asked Questions (FAQ)

Q1: What is the main function of the SB401-11 S1 module?
A1: It acts as an interface between field I/O modules and the Field Control Unit (FCU) via the ESB bus.

Q2: How many SB401 modules can be used in one node unit?
A2: A maximum of two SB401 modules can be installed per node unit to support dual-redundant communication.

Q3: What types of systems is this module compatible with?
A3: It is designed for Yokogawa CENTUM VP systems and supports both N-IO and FIO configurations.

Q4: Does the SB401 support redundancy?
A4: Yes, the module supports dual-redundant configurations when two SB401 modules are used.

Q5: Can this module be mounted independently of a node unit?
A5: No, it must be installed inside a node unit such as ANB10S or ANB10D.

Q6: What power source does the SB401 rely on?
A6: Power is supplied through the node unit’s power supply module (PW481, PW482, or PW484).

Q7: What is the physical size of the SB401-11 S1 module?
A7: It measures 130 mm x 142.5 mm x 32.8 mm.

Q8: What is the weight of the SB401 module?
A8: The module weighs approximately 0.45 kg.

ESB Bus Interface Slave Module SB401-11 S1 Yokogawa

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