| YOKOGAWA / CONTROL SYSTEMS | OverviewSpecificationsIntegrationRelated ModelsFAQ |
| An Optical ESB Bus repeater module used to extend safety-system bus communication between compatible ProSafe-RS nodes. The full product code, installed hardware, connector arrangement and system release should be matched before replacement or expansion. |
EXACT-CODE SUPPORT
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01
Safety control node |
02
Electrical ESB segment |
03
SNT401 optical conversion |
04
Remote ESB segment |
| Q1 |
What does the SNT401 do?
It repeats and converts ESB bus communication for optical extension between compatible safety-system sections.
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| Q2 |
How is a redundant pair installed?
The two modules occupy adjacent odd and even slots in the supported base arrangement.
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| Q3 |
Can SNT401 and SNT501 be exchanged automatically?
No. Match the topology, suffix, cable option, node hardware and system release.
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| Q4 |
What must be confirmed for an order?
Provide the complete suffix, copper termination option, installed base and redundancy arrangement.
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| Need an exact-code quotation? | CONTACT MIYA ZHENG |
| For a quotation, provide the complete product code, quantity, required condition, destination and any visible revision or style marking. | Returns & replacement Contact us within 7 days of receipt. Items must remain in original condition and include a clear return reason. Return shipping charges are the buyer’s responsibility. |
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