OVERVIEW

Official designation: KEYENCE OP-77680 (GT/GT2 Series, Roller Sensor Head)

Role/Application: This roller type contact head is an accessory for the GT and GT2 Digital Contact Sensor series, designed for high-accuracy measurement of moving targets, maintaining stable contact for consistent displacement detection.

KEY SPECS SUMMARY

Power: Not applicable, accessory head component

Interfaces / Ports: Detachable cable, Connects to GT/GT2 amplifier

Indicators: Refer to the latest manufacturer manual.

Operating Temp: Refer to the latest manufacturer manual.

Platform / Compatibility: Used with KEYENCE GT Series or GT2 Series sensor heads

Limit: Supports highest accuracy class of GT2 amplifier

Lifecycle: Current model, Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the primary function of the OP-77680 roller type contact head?

A: Its main function is to enable stable displacement measurement on detection targets that are actively moving.

Wiring & Installation:

Q: Is the OP-77680 a standalone sensor, or does it require an additional component?

A: It is an end-unit accessory contact tip, which must be attached to a compatible GT or GT2 sensor head.

Troubleshooting & Compatibility:

Q: Can the OP-77680 contact head be used with all displacement sensor models from KEYENCE?

A: No, it is specifically designated for use with the KEYENCE GT Series and GT2 Series digital contact sensors.

Replacement & Upgrades:

Q: What are alternative contact types available for the GT/GT2 sensor series besides the roller type?

A: Alternatives include standard type, needle type (OP-77681), flat-plate type, and fluoroplastic type (OP-80228).