西门子触摸屏广州代理商

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security information:

siemens provides products and solutions with industrial securityfunctions that support the secure operation of plants, systems,machines and networks.

in order to protect plants, systems, machines and networks againstcyber threats, it is necessary to implement – andcontinuously maintain – a holistic, state-of-the-artindustrial security concept. siemens’ products and solutionsconstitute one element of such a concept.西门子触摸屏广州代理商

customers are responsible for preventing unauthorized access totheir plants, systems, machines and networks. such systems,machines and components should only be connected to an enterprisenetwork or the internet if and to the extent such a connection isnecessary and only when appropriate security measures (e.g.firewalls and/or network segmentation) are in place.

for additional information on industrial security measures that maybe implemented, please visit

https://www.siemens.com/industrialsecurity

siemens’ products and solutions undergo continuous development tomake them more secure. siemens strongly recommends that productupdates are applied as soon as they are available and that thelatest product versions are used. use of product versions that areno longer supported, and failure to apply the latest updates mayincrease customer’s exposure to cyber threats.

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hardware configuration

the figure below shows the hardware configuration based on theexample of an industry overhead bridge crane (ohbc).

example configuration for industry cranes by using simocrane basictechnology v5.0 (basic license)

the figure below shows the hardware configuration based on theexample of auay crane. the preparedsoftware architecture allows the easy integration of simocranesway control, which is described in the simocraneadvanced technology section.西门子触摸屏广州代理商

example configuration for auay cranes by usingsimocrane basic technology v5.0 (advanced license)

simocrane basic technology v5.0 software西门子触摸屏广州代理商

the simocrane basic technology v5.0 package provides notonly the core functionalities in form of a product library,but also 2 application libraries which can be adapted by theusers. the former is optimized for crane‑specificmotion control. the later are mainly applied for se inside the simatic s7‑1500, the communication betweenplc and drive, the monitoring as well as the switchover inside thesinamics s120. the package also contains standard applicationsfor sts crane, gsu crane and ohbc crane separately.
the modular software concept based on each main drive of thecrane construction (e.g. hoist) makes it easier to build updifferent applications according to the crane type. thesoftware structure is shown for a coil crane and a container in the following examples. the motion control of eachmain drive is preconfigured by using the corresponding corefunction blocks from the product library in sinamics.coordinating and monitoring the main drives are realized inthe application by using 2 application libraries in bothsimatic and sinamics.

each function module (e.g. hoist) has 3 dcc chartsseparately in fast/middle/slow cycle time in sinamics forprocessing the setpoint in consideration of the related cranetechnology. furthermore, it has one function block instance inthe simatic plc for executing logic control,mode management and communication. the communication betweenthe simatic s7‑1500 and sinamics s120 can be carried outby the standardized interface via profinet or profibus for eachmain drive. all function modules have been designed in the samestructure.西门子触摸屏广州代理商

the standard application is created for the most commonly usedcrane types. these are "uay crane", "grab ship unloader"and "overhead bridge crane", which are fit for "ready‑to‑run" usersto set parameters only. simocrane basic technology v5.0additionally provides a configurator and some copy‑templates for"ready‑to‑apply" users to build up their individual projects withexpansions and adaptations in specific crane applications by afew mouse clicks.西门子触摸屏广州代理商

simocrane basic technology v5.0 is designed for thetia world. it replaces not only the simocrane basictechnology v3.0 but also the simocrane drive‑basedtechnology v1.0 sp2 hf1. customers can select the optimalrange of functions depending on the application re byordering different licenses.西门子触摸屏广州代理商

software structure for an industrial overhead bridge crane

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software structure for auay crane

technical functions

no.functionbrief descriptionadvanced licensebasiclicense1load‑dependent field weakeningusing the dcc block, asupplementary speed setpoint is calculated during the accelerationphase depending on the load. the hoist gear speeds up toits maximum speed in one go. this additional speed above the ratedspeed makes it possible to always operate partial loads at peakperformance, which increases the crane's throughputsignificantly.this dcc block provides the auto‑tuning functionfor commissioning to optimize parametersautomatically.✓ 2simplified load‑dependent field weakeningasupplementary speed setpoint is calculated during constantmovement. the hoist speeds up after the measurement. thisfunction makes it possible to always operate partial loads atpeak performance, which increases the crane'sproductivity.✓✓3prelimit switch (selectable limiting)the velocityof the drive can be limited using the dcc block when apredefined prelimit switch is reached.✓✓4start pulseusing thedcc block, "load sag" is prevented at starting thehoist gear with a suspended load.✓✓5actual position andvelocityusing the dcc block, the actual motor speed isconverted to actual velocity and integrated to actual position.these values are permanently saved in case of power off. the actualposition can be newly referenced at standstill and on thefly.✓✓6target controlthis dcc block makes all main driveson cranes positioning exactly, especially suitable for systems thattend to be subject to mechanical vibration, such as trolleyson sts cranes. if required, a creep speed can be selectedto move further after arriving the target position.✓✓7slack ropecontrolthis dcc block prevents a slack rope during a grabis closing in the goods being handled. it ensures the grab acontrolled digging into the goods therefore reaching maximumfilling.✓ 8current e controlwhen raising andlowering a closed grab, the tension levels in the holding and theclosing gear should be approximately the same. using thisdcc block the required total hoisting power can be optimallydistributed across the two drives. the load distributionbetween the master drive and the slave drive can be seton demand.✓ 9synchronization controlthis dcc blockenables both speed or position synchronization between amaster drive and several slave drives by correcting anyoffset. if a specified offset is required, it can be created andkept.✓ 10master controllerusing the dcc block, thescaling of the master controller can be set depending on the speedsetpoint, especially at lower speed, which makes it easier for acrane operator to have a fine sensitivity in manualpositioning.✓✓11continuous load measurementthis dcc block isrequired for grab cranes like dredger, whose grab is not visible. acontinuous load measurement is carried out to show the crane driverthe grab filling level and the message "grab is touchdown".thisdcc block provides the auto‑tuning function for commissioningto optimize parameters automatically.✓ 12grab controlthisdcc block is responsible for the closing gear to close andopen the grab by exact positioning. furthermore, the synchronousoperation between the holding gear and the closing gearis possible when hoisting and lowering the grab. for apolyp grab, it can be used to detect bulky loadmaterial.✓ 13push button controllerusing this dcc blockit is possible for a simple push button controller to generate afixed or changeable setpoint.✓✓14master‑slave closed‑loop tor‑slave operation is used if 2 motors areconnected to a common shaft. the master operates either closed‑loopposition controlled or closed‑loop speed controlled depending onthe operating mode. the slave only operates closed‑loop tor the master sends the torque as torque setpoint to theslave.✓✓15customized monitoringthis function can be applied for anycustomized monitoring function inside sinamics.✓✓16brake testthemechanical brake function (e.g. hoist) should be regularlychecked using this function. to do this, the axis moves against theclosed brake with a certain torque setpoint in order to check thebraking capability of the brake.✓✓17ramp function generator withconter and zero‑crossing functionthis function is adapted forcrane‑specific re, e.g. without begin or end rounding atconter or zero‑crossing movement.✓✓18torque provingif required,ue can be double checked with both a saved value from "startpulse" and a preset minimum value before opening thebrake.✓✓19inchingthis smart function enables the drive axis to movea predefined distance by activating the inching operating modeeach time.✓✓20tandem operationtandem operation is an extension ofthe synchronization control. synchronous operation takes placebetween 2 groups. in each group, 2 drives can be coupledin master‑slave closed‑loop torque control or also in synchronousoperation. the function is suitable to address applications forboth harbor cranes, such as a double spreader container crane orlarge ship unloaders with 4 drum grabs, as well as industrialcranes with several hoists and trolleys.✓ 

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