Encoder and sensor solutions for crane automation

Ensure full availability and uninterrupted operation with cranes equipped with products from Leine Linde. Measure speed, position and strain, monitor overspeed, underspeed and standstill and add functional safety options as required.

Leine Linde encoders and sensors can be trusted to deliver precise data even in difficult coastal environments. Robust and reliable - attributes which are essential to keep cranes in operation, around the clock, no matter the weather or season.

At Leine Linde we have a good understanding of the requirements on encoders and sensors for harbor cranes such as STS (Ship-To-Shore), RTG (Rubber Tyred Gantry) and RMG (Rail Mounted Gantry) cranes as well as cranes for other industrial applications.

Contact your nearest Leine Linde office for assistance in picking out the most suitable product for your specific application!

1. Trolley position 2. Boom position 3. Load monitoring 4. Hoist control 5. Spreader position 6. Cable reel rotation 7. Travel control a. Accessories
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    1. Trolley position

    Trolley control depends on quick, precise and reliable encoder feedback for predicable results based on operator input. Incremental Leine Linde encoders are used for speed feedback to drives controlling the trolley motors, while absolute encoders on the trolley drum are used to measure position.

    Heavy duty 800 series

    Long-lasting cost-efficient incremental encoders that are made for reliable operation in the most demanding environments. As an option, the 800 series encoders can be equipped with an integrated programmable speed monitor for detection of overspeed, underspeed or standstill.

    FSI 800 series

    FSI 850 and FSI 862 are incremental encoders with integrated functional safety to fulfil SIL2/PLd safety requirements.

    FSI 900 series

    FSI 900 is an absolute encoder with integrated failsafe relay outputs that can be connected to emergency stop loops or brake activation. It monitors rotating movement, and acts immediately to make sure none of the user-configured limits will be exceeded. The FSI 900 is more than an encoder. It’s a safety system – all in one package.

    Robust 500 series

    Versatility in a small, modular encoder with excellent performance.

    Industrial 600 series

    Absolute position encoders that communicate via serial point-to-point interfaces like SSI or EnDat, or with advanced fieldbus interfaces, including PROFIBUS, PROFINET, EtherNet/IP and CANopen.

    Bearingless 2000 series

    Incremental magnetic ring encoders that are easily mounted onto large shafts, either flange mounted at the end of the shaft or mounted in sections around the shaft.

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    2. Boom position

    The boom hoist control gets its feedback from encoders on the motor and on the drum. Robust encoders, suitable for the demanding environment is crucial for reliable operation and minimal downtime. This is an environment where Leine Linde encoders have a spotless reputation. Add encoders with integrated safety functionality (FSI) as needed for your application.

    Heavy duty 800 series

    Long-lasting cost-efficient incremental encoders that are made for reliable operation in the most demanding environments. As an option, the 800 series encoders can be equipped with an integrated programmable speed monitor for detection of overspeed, underspeed or standstill.

    FSI 800 series

    FSI 850 and FSI 862 are incremental encoders with integrated functional safety to fulfil SIL2/PLd safety requirements.

    FSI 900 series

    FSI 900 is an absolute encoder with integrated failsafe relay outputs that can be connected to emergency stop loops or brake activation. It monitors rotating movement, and acts immediately to make sure none of the user-configured limits will be exceeded. The FSI 900 is more than an encoder. It’s a safety system – all in one package.

    Robust 500 series

    Versatility in a small, modular encoder with excellent performance.

    Industrial 600 series

    Absolute position encoders that communicate via serial point-to-point interfaces like SSI or EnDat, or with advanced fieldbus interfaces, including PROFIBUS, PROFINET, EtherNet/IP and CANopen.

    Bearingless 2000 series

    Incremental magnetic ring encoders that are easily mounted onto large shafts, either flange mounted at the end of the shaft or mounted in sections around the shaft.

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    3. Load monitoring

    Strain sensors provide data that can be used for bending moment calculations as well as fatigue load monitoring. This data is vital for the main structural parts such as the boom of the crane. Thanks to the pure digital data transmission, an easy connection to the crane automation system is already prepared.

    ESR strain sensors

    The robust and precise ESR strain sensor provides digitalized strain measurement data. It uses inbuilt temperature compensation for stress-free measurement of structural strain.

    Gateways

    Available gateways provide communication using for example CANopen, EtherNet/IP, PROFIBUS and PROFINET. All gateways are listed in our accessories list.

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    4. Hoist control

    For the crane main hoist, Leine Linde’s incremental encoders are used for speed and position monitoring and to detect overspeed, underspeed or standstill. Absolute encoders mounted on the drum provides position data and to provide speed related alarms, sometimes through a separate speed monitor. Encoders with integrated functional safety (FSI) can be connected directly to a safety loop or emergency brake.

    Heavy duty 800 series

    Long-lasting cost-efficient incremental encoders that are made for reliable operation in the most demanding environments. As an option, the 800 series encoders can be equipped with an integrated programmable speed monitor for detection of overspeed, underspeed or standstill.

    FSI 800 series

    FSI 850 and FSI 862 are incremental encoders with integrated functional safety to fulfil SIL2/PLd safety requirements.

    FSI 900 series

    FSI 900 is an absolute encoder with integrated failsafe relay outputs that can be connected to emergency stop loops or brake activation. It monitors rotating movement, and acts immediately to make sure none of the user-configured limits will be exceeded. The FSI 900 is more than an encoder. It’s a safety system – all in one package.

    Industrial 600 series

    Absolute position encoders that communicate via serial point-to-point interfaces like SSI or EnDat, or with advanced fieldbus interfaces, including PROFIBUS, PROFINET, EtherNet/IP and CANopen.

    Robust 500 series

    Versatility in a small, modular encoder with excellent performance.

    Bearingless 2000 series

    Incremental magnetic ring encoders that are easily mounted onto large shafts, either flange mounted at the end of the shaft or mounted in sections around the shaft.

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    5. Spreader position

    Spreader control requires fast and precise encoder feedback that will produce repeatable and reliable results for the operator. Leine Linde incremental encoders is the perfect, robust solution for the speed control while our absolute encoders, are used for position measurement.

    Industrial 600 series

    Absolute position encoders that communicate via serial point-to-point interfaces like SSI or EnDat, or with advanced fieldbus interfaces, including PROFIBUS, PROFINET, EtherNet/IP and CANopen.

    Robust 500 series

    Versatility in a small, modular encoder with excellent performance.

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    6. Cable reel rotation

    Make sure the power cable is not stretched and damaged by using an encoder to keep track of the cable reel’s position.

    Heavy duty 800 series

    Long-lasting cost-efficient incremental encoders that are made for reliable operation in the most demanding environments. As an option, the 800 series encoders can be equipped with an integrated programmable speed monitor for detection of overspeed, underspeed or standstill.

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    7. Travel control

    For efficient, just-in-time operations in the harbor, STS, RTG and RMG cranes need to move to a new position several times per day. For these crane types, Leine Linde encoders provide accurate gantry position feedback through a wide variety of fieldbus and communication protocols.

    Heavy duty 800 series

    Long-lasting cost-efficient incremental encoders that are made for reliable operation in the most demanding environments. As an option, the 800 series encoders can be equipped with an integrated programmable speed monitor for detection of overspeed, underspeed or standstill.

    ADS Uptime™

    Encoders with built-in ADS Uptime™ will enable monitoring of the most relevant data from rotary installations to enable condition-based maintenance for maximized uptime.

    FSI 900 series

    FSI 900 is an absolute encoder with integrated failsafe relay outputs that can be connected to emergency stop loops or brake activation. It monitors rotating movement, and acts immediately to make sure none of the user-configured limits will be exceeded. The FSI 900 is more than an encoder. It’s a safety system – all in one package.

    Industrial 600 series

    Absolute position encoders that communicate via serial point-to-point interfaces like SSI or EnDat, or with advanced fieldbus interfaces, including PROFIBUS, PROFINET, EtherNet/IP and CANopen.

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    a. Accessories

    Leine Linde offers a wide range of accessories for our encoders. This is a selection relevant for crane applications. Please contact your nearest Leine Linde sales office if you have a specific request.

    Programmable Speed Switch

    Leine Linde’s programmable speed detection system features relay switches for immediate speed control.

    Optolink

    Optolink provides lossless optical fiber transmission of the encoder data. Use Optolink to avoid electromagnetic interference or when signal transmission over long distances is required.

    Speed monitor

    Speed monitor for detection of overspeed, underspeed, standstill and direction of rotation. Use with any incremental Leine Linde encoder.

    Encoder switch

    Switch and splitter for incremental encoder signals with 6 channel inputs and outputs.

    DMI converter

    Converts or splits incremental encoder signals between HTL or RS422 signals.

    Signal converter

    Signal converter for incremental encoders that converts the encoder output to analog or serial signals.