Yokogawa ALF111-S50 Ethernet Communication Module

Frequently Asked Questions (FAQ)

Q1: How many fieldbus devices can ALF111-S50 support?
A1: It can support up to 32 devices per segment including the module itself.

Q2: Does the ALF111-S50 support redundancy?
A2: Yes. Dual-redundant configuration is supported by installing two modules in the same node.

Q3: What is the communication speed?
A3: The module communicates at 31.25 kbps.

Q4: How many I/O control channels are supported per segment?
A4: Each segment supports up to 48 control channels, with a maximum of 6 as high-speed scanning points.

Q5: Is a specific terminal required for installation?
A5: Yes, the AEF9D terminal board is recommended, and terminators (YCB138) must be used for unused ports.

Q6: What is the power consumption of the module?
A6: The current consumption is no more than 0.5 A.

Q7: Which FCS models are compatible with ALF111-S50?
A7: Compatible models include AFV30, AFV40, A2FV50, and A2FV70 series.

Q8: Is the module compliant with FOUNDATION fieldbus standards?
A8: Yes, it fully complies with FOUNDATION™ fieldbus H1 specifications.

ALF111-S50 Ethernet Communication Module Yokogawa

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