Yokogawa AFS20S Safety Field Control Unit

Frequently Asked Questions (FAQ)

Q1: Does AFS20S support hot redundancy?
A1: Yes. Both the CPU and power modules can be configured in dual-redundant mode for high availability.

Q2: How many N-IO nodes can AFS20S connect to?
A2: It supports up to 8 N-IO nodes per unit.

Q3: Can the power modules be replaced individually?
A3: Yes, each power module (PW481, PW482, or PW484) is hot-swappable.

Q4: Is there a backup battery and what does it support?
A4: Yes. The backup battery maintains main memory data retention for up to 72 hours during power outages.

Q5: What are the dimensions of AFS20S?
A5: The unit measures 207 × 265.9 × 482.6 mm.

Q6: Is software licensing required for AFS20S?
A6: Yes, CENTUM VP R6.03 or later is required along with applicable control and I/O licenses.

Q7: Can AFS20S be used for legacy system upgrades?
A7: Yes. It is compatible with cabinet upgrades via the A2CUKT3 kit, replacing older models like AFS10S/20S.

Q8: How is communication redundancy achieved?
A8: Through dual Vnet/IP interfaces, using two network paths and redundant switches.

AFS20S Safety Field Control Unit Yokogawa

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

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Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.