Part of the Keyence Sensors family.
Overview
FS Fiber Optic Sensors
FS Fiber Optic Sensors is part of the Keyence Sensors family. Palm Parts Solution stocks FS Fiber Optic Sensors units in new, refurbished, and surplus condition, all with tested warranty and same-day quotes on available to quote catalog numbers.
Overview
FS Fiber Optic Sensors delivers the performance, connectivity, and I/O density required by modern industrial applications while retaining backward compatibility with earlier Sensors hardware where applicable. Typical deployments include OEM machinery, process skids, retrofit projects, and plant-wide control architectures built on the Keyence ecosystem.
Why specify FS Fiber Optic Sensors
- Tight integration with Keyence engineering software
- Documented spare-parts availability
- Proven service life across heavy-duty industries
- Compatible accessories: power supplies, communication adapters, terminal blocks
What Palm Parts Solution provides
- Tested FS Fiber Optic Sensors catalog numbers available to quote
- Cross-reference assistance for obsolete part numbers
- Quotes on full FS Fiber Optic Sensors bills of material
- Engineering support for replacements and migrations
FS Fiber Optic Sensors parts

Keyence FS-N11CP
$202.99

Keyence FU-67V
$53.00

Keyence FU-67
$47.00

Keyence FU-7F
$70.99

Keyence FU-20
$129.99

Keyence FU-66TZ
$84.00

Keyence FU-66Z
$150.00

Keyence FU-A100
$210.00

Keyence FU-77TG
$190.00

Keyence FU-77V
$83.00

Keyence FU-35FA
$111.00

Keyence FU-38
$99.00
Specifications
FS Fiber Optic Sensors technical reference
Each FS Fiber Optic Sensors catalog number has its own electrical, mechanical, and environmental specification. Use the search bar to locate an exact part number, or contact Palm Parts Solution with the catalog number on the nameplate for:
- Input/output voltage and current
- Communication protocols and network role
- Form factor and mounting (DIN rail, panel, rack)
- Operating temperature, humidity, vibration, IP rating
- Certifications (UL, CE, ATEX, marine, etc.)
- Compatible firmware and engineering software revisions
We can also supply OEM datasheets and wiring diagrams on request.
More from this series

Keyence FU-6F
$57.00

Keyence FU-57TZ
$119.00

Keyence FU-66
$81.00

Keyence FS-N13P
$341.99

Keyence FS-V11P
$148.99

Keyence FU-12
$289.00

Keyence FS-N41P
$234.00

Keyence FU-E11
$141.99

Keyence FS-V21RP
$204.00

Keyence FS-N42N
$212.99

Keyence FU-10
$101.00

Keyence FU-21X
$125.00
Compatible series
Browse this product type
Frequently asked questions
What does the FS Fiber Optic Sensors series include?
The FS Fiber Optic Sensors series is part of the Sensors family from Keyence. It groups related catalog numbers that share form factor, I/O type and communication protocol — making it easy to find drop-in replacements.
Is FS Fiber Optic Sensors compatible with newer Keyence hardware?
In most cases yes. FS Fiber Optic Sensors units interoperate with current Keyence programming software and communication backbones. Contact us with your firmware revision and we will confirm before shipping.
Can I get FS Fiber Optic Sensors parts refurbished with warranty?
Yes. We offer refurbished FS Fiber Optic Sensors modules tested to OEM specs with a 1-year replacement warranty. New surplus stock is also available when supply permits.
Machine down? Get a fast quote on the parts you need.
New, surplus, and refurbished industrial automation options. Request a quote or speak directly with an automation specialist for emergency sourcing.
