OVERVIEW

Official designation: KEYENCE FS-N11MN (FS-N Series, Fiber Optic Amplifier)

Role/Application: This digital main unit fiber amplifier provides high-speed, precise sensing using NPN control output and simultaneous 1 to 5 V analog monitor output for process monitoring and quality control applications.

KEY SPECS SUMMARY

Power: 12 to 24 VDC, Max 36 mA at 24 V

Interfaces / Ports: Cable type, NPN open collector control, 1 to 5 V monitor output

Indicators: Red 4-element LED light source, Operation indicator

Operating Temp: Minus 20 degrees C to plus 55 degrees C

Platform / Compatibility: DIN rail mountable, Polycarbonate housing, Approx 75 g

Limit: 50 microseconds response (HIGH SPEED), 100 mA max NPN load

Lifecycle: Active, Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the fastest response time available on the FS-N11MN fiber optic amplifier?

A: The amplifier supports a response time as fast as 50 microseconds when operating in HIGH SPEED mode.

Wiring & Installation:

Q: What are the cable colors used for the power and control output on the FS-N11MN unit?

A: The wiring diagram commonly shows Brown for DC power, Blue for 0 V, and Black for the NPN load.

Troubleshooting & Compatibility:

Q: How many expansion units can be connected to the FS-N11MN main unit?

A: Up to 16 total amplifier units can be connected in an expansion system, including the main unit.

Replacement & Upgrades:

Q: Does the FS-N11MN feature automatic light intensity stabilization for extended use?

A: Yes, the unit includes an Automatic Power Control feature which is switchable ON or OFF.