Product Overview

The GLL170 is a stand-alone fiber-optic amplifier designed for reliable, long-term performance in industrial environments. It operates based on the optical fiber cable used, enabling flexible sensing range configuration depending on application requirements. The sensor emits a visible red light via an LED light source, making it suitable for applications requiring clear visual confirmation of operation. With a mission time of 20 years and an average service life of 100,000 hours at +25 °C, the GLL170 offers exceptional durability and minimal maintenance needs. Its robust design ensures consistent performance over extended periods, making it ideal for continuous monitoring tasks in demanding industrial settings.

Key Features and Technology

The GLL170 leverages a fiber-optic amplification principle where the sensing range is determined by the optical fiber cable used. This modular approach allows users to tailor detection performance to specific application needs without altering core sensor hardware. The visible red light emitted by its LED source enables easy visual verification of operation and status. The device supports light/dark switching, providing reliable detection in both presence and absence scenarios. Its robust construction ensures stable operation under varying environmental conditions, while the use of fiber-optic technology minimizes electromagnetic interference and offers immunity to noise, enhancing signal integrity in electrically noisy environments.

Technical Characteristics

The GLL170 operates within a supply voltage range of 10 V DC to 30 V DC. Ripple voltage is limited to ≤10% of the nominal value, ensuring stable output under varying load conditions and maintaining signal consistency. Current consumption remains low at ≤40 mA, contributing to energy efficiency. The device features a PNP switching mode with signal outputs approximately at U_B– 1.5 V (high) and 0 V (low), while NPN mode delivers approximately U_B(high) and<1.5 V (low). Maximum output current is ≤100 mA, and the device includes reverse polarity protection for circuit safety. Response time is as fast as ≤250 µs, ensuring quick detection of changes in the sensing environment. The device complies with a protection class III standard, indicating high safety performance.

Configuration and Integration

The GLL170 can be configured using display and operating buttons for setting the sensing range, allowing users to adjust parameters directly on the device. Adjustment is also possible via wire/pin connections for setting the sensing range, offering flexibility in integration scenarios. The device supports both PNP and NPN output types, enabling compatibility with a wide range of industrial control systems. Its stand-alone design simplifies installation and reduces reliance on external components or complex wiring setups. Users can easily integrate the GLL170 into existing automation systems by connecting it to standard input circuits while ensuring compliance with voltage and current specifications.

Operating Environment

The GLL170 is designed for operation in industrial environments with a specified supply voltage range of 10 V DC to 30 V DC. It operates reliably within the defined ripple tolerance, which must not fall below or exceed UV tolerances as per specifications. The device’s protection class III ensures safe operation under hazardous conditions and meets stringent safety standards. While exact temperature ranges are not provided in the source data, its long mission time of 20 years and average service life of 100,000 hours at +25 °C indicate suitability for stable ambient conditions typically found in industrial settings. The device is engineered to maintain performance under normal operating conditions without degradation over time.

Industrial Applications

The GLL170 is well-suited for applications requiring reliable detection of object presence or absence using fiber-optic sensing technology. Its light/dark switching capability makes it ideal for use in safety systems, machine guarding, and process monitoring where consistent and fast response is critical. The visible red light emission supports easy visual verification during setup and operation. Due to its immunity to electromagnetic interference and long service life, the GLL170 performs reliably in environments with high electrical noise or vibration. Applications include automated assembly lines, packaging systems, and material handling equipment where precise, durable detection is essential for operational continuity.