A mid?performance crane application includes the following components:

Hardware

A distributed single?axis solution with SINAMICS S120 AC/AC drive and the corresponding Power Modules for hoist, trolley and gantry

• AC/AC drive comprising:
  • SINAMICS CU310?2 Control Unit and PM250/PM340/PM Power Module in the chassis format (can be selected) with SIMOCRANE Drive?Based Technology V1.0 SP1 HF2 and SINAMICS V4.7
• Selectable control via onboard I/O terminals or PROFIBUS; when required, also additionally via the SINAMICS TM31 Terminal Module
• We strongly recommend that encoders are used for hoist applications

Hardware configuration

Typical hardware configurations used in mid?performance crane applications are shown in the following examples. It involves an overhead bridge crane (OHBC), controlled using I/O signals or using PROFIBUS DP communication.

It is especially important to note that the crane can be controlled just using the onboard I/O (see figure "Topology with onboard I/O") with SIMOCRANE Drive?Based Technology V1.0 SP1 HF2.

For hoist applications, an encoder is required for safety reasons.

Topology with onboard I/O

Topology with PROFIBUS DP

Software

• Special SINAMICS Firmware V4.7 HF11 for crane applications. The following Power Modules and functions can be operated using this firmware:
  • PM340 Power Module (2?quadrant operation)
  • Power Module in chassis format (2?quadrant operation)
  • PM250 Power Module (4?quadrant operation)
  • Safety Integrated functions
  • Vector control, V/f control
  • NO servo control
• Crane technology in DCC blocks, e. g. load?dependent field weakening, start pulse etc.
• Standard applications via PROFIBUS or via onboard I/O terminals for the single axis of the hoist, trolley or gantry (selectable using the appropriate scripts)
• SINAMICS functions, e. g.:
  • Master?slave closed?loop torque control
  • Brake control logic
  • Time?optimized positioning
  • Safety Integrated function