6AU1810-1BA43-1XA0

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This application example describes an ECO configuration for a straddleВ carrier (SC).

Application example

The objective is to reduce the fuel consumption by operating the diesel engine/electrically driven straddleВ carrier at speeds dependent on the load using standard industrial products and SIMOCRANEВ products from Siemens.

Savings generated by an ECO configuration depend on a number of crane‑specific factors. Only a few of these factors can be influenced by SIMOCRANE ECO Technology. Concrete statements cannot therefore be made about the achievable savings for specific configurations. It can be assumed, however, that when SIMOCRANE ECO Technology is used in comparison to cranes with constant speed or 2 speeds, a noticeable saving is achieved.

Comparison tests have demonstrated a savings potential of between 40В and 50В %. Test cycles were conducted under identical conditions at a constant speed of 1800В rpm and at speeds controlled by ECOВ Technology for the purposes of comparison. Siemens offers support with specification of the possible crane construction and use. The final average consumption of the crane will, however, be determined by the actual design and use of the crane.

To achieve savings, the following factors must be taken into account:

• Selection of combustion engine; every combustion engine has typical dynamic behavior and typical consumption.
• Design of the straddleВ carrier (total weight, components in drive train, gears, tires, spreaders, etc.)
• Speed, acceleration times and design of hoist and gantry drives
• Design of the auxiliary power supply (lighting, heating, cooling, etc.); the basic load of the auxiliary power supply should be as low as possible.
• Use of the straddleВ carrier

The different straddleВ carrier types always differ with regard to their specification and relevant design, so it is extremely difficult to determine the possible savings. Specification of the required maximum fuel consumption per hour is the better approach. The overall design of the hardware (crane and installation) and software can then be developed and optimized on the basis of this specific ECO requirement.

Solution

In this example of an upgrade to SIMOCRANE ECO Technology, a configuration with SIMOCRANE Basic Technology was selected. SIMOCRANE Basic Technology is equipped with tested crane functionality. The Basic Technology package comprises SIMOTION D with a CompactFlash card. The ready‑to‑use application with integrated ECO Basic Technology interface can be used with minimum configuration and commissioning outlay. Use of SIMOCRANE Basic Technology is not mandatory for operation of SIMOCRANE ECO Technology. For realization of the ECO example, the following SIMOCRANE products have to be selected:

• 1В Г— SIMOCRANEВ ECOВ TechnologyВ V1.0 license
  Article No. 6GA7230-0AA00-0AA0
• 1В Г— SIMOCRANEВ BasicВ TechnologyВ V3.0
  Article No. 6AU1660-4AA20-0AA0
• 1В Г— SIMCORANE CMS V4.3 Lean
  Article No. 6GA7214-0AA00-0AA0
• 1В Г— SINAMICSВ S120 MotorВ Module in chassis format as infeed
• 1В Г— SINAMICSВ S120 MotorВ Module in booksize or chassis format with sinewave filter as an auxiliary drive