Yokogawa SB401-50 S1 ESB Bus Interface Slave Module

Frequently Asked Questions (FAQ)

Q1: What is the main function of the SB401-50 S1 module?
A1: It serves as a slave module to interface analog and digital I/O signals between the FCU and field devices via the ESB bus.

Q2: Can SB401-50 S1 be used in redundant configurations?
A2: Yes, two SB401 modules can be installed in dual-redundant configurations within the ANB10D node unit.

Q3: How many SB401 modules are used per node unit?
A3: One SB401 module is used for single configuration, and two are used for dual-redundant configurations.

Q4: Which power modules are compatible with the SB401 module?
A4: It is compatible with PW481, PW482, and PW484 power supply modules.

Q5: Is the SB401 compatible with both ANB10S and ANB10D node units?
A5: Yes, it can be used in both single (ANB10S) and dual-redundant (ANB10D) configurations.

Q6: What is the recommended installation method for SB401?
A6: It should be mounted in a 19-inch rack using four M5 screws.

Q7: Are there any environmental options for SB401 usage?
A7: Yes, options are available with ISA G3 environmental rating and explosion protection (depending on node configuration).

Q8: What is the maximum number of I/O modules that SB401 can support in a node unit?
A8: Each node unit using SB401 can support up to 8 I/O modules.

ESB Bus Interface Slave Module SB401 Yokogawa

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