Catalog PM 21 2013 - Siemens Industry, Inc.

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© Siemens AG 2013 SINAMICS S120 drive system Control Units Control Units ■ Overview Innovative system architecture with a central Control Unit Electronically coordinated single drives work together to perform your drive tasks. Higher-level controllers operate the drives to achieve the required coordinated movement. This requires cyclic data exchange between the controller and the drives. This exchange usually took place via a field bus, which required a great deal of time and effort for installation and configuration. SINAMICS S120 takes a different approach: A central Control Unit controls the drives for all connected axes and also establishes the technological links between the drives and/or axes. Since all the required data is stored in the central Control Unit, it does not need to be transferred. Inter-axis connections can be established within a Control Unit and easily configured in the STARTER commissioning tool using a mouse. • Simple technological tasks can be carried out automatically by the SINAMICS S120 Control Unit • The CU310-2 DP or CU310-2 PN Control Unit are available for single drives • The CU320-2 Control Unit is designed for multi-axis applications • Sophisticated Motion Control tasks can be implemented with the support of the more powerful D410-2, D425-2, D435-2, D445-2 and D455-2 Control Units of SIMOTION D (graded according to performance) Each of these Control Units is based on an object-oriented SINAMICS S120 standard firmware which contains all of the most popular control modes and can be scaled to meet even the most advanced performance requirements. The drive controls are supplied as ready-to-configure drive objects: • Infeed Control for line infeed, • Vector Control for the broad scope of rugged asynchronous (induction) motor applications • Servo Control for permanent-field synchronous motors with demanding dynamic requirements • V/f control modes for simple applications such as group drives with SIEMOSYN motors 3 Drive objects A drive object is a self-contained software function with its own parameters and, if necessary, its own fault messages and alarms. Control Unit Drive objects On-board I/O evaluation Infeed control Drive control ... Drive control Option Board evaluation Terminal Module evaluation ... Terminal Module evaluation Option Board Line Module Motor Module Motor Module Terminal Module Terminal Module G_D211_EN_00057a Extended technology with SIMOTION SIMOTION D Control Units support the coordinated Motion Control of multiple drives. Technology objects are implemented in addition to drive objects on these Control Units. These are grouped to form technology packages and make available extended Motion Control functions (e.g. synchronous operation, cam disk, path interpolation and others) or technological functions (e.g. a cam controller, a temperature or pressure control). The IEC 61131-3-compliant PLC integrated in SIMOTION D Control Units means that they are not just capable of controlling sequences of motions, but the entire machine including HMI and I/Os. Comprehensive package of open-loop and closed-loop control functions A wide variety of standard functions such as setpoint input, data set changeover, controller optimization and kinetic buffering ensure a high degree of functional reliability and excellent flexibility of application. 1) In transport packaging. Siemens PM 21 · 2013 3/11
SINAMICS S120 drive system Control Units Control Units © Siemens AG 2013 ■ Overview (continued) Overview of key open-loop and closed-loop control functions Closed-loop control types S120 Open-loop control types S120 Main functions S120 for booksize/chassis Comment, note 3 Infeed Control • Booksize - Current control with/without mains sensor - V DC control with/without mains sensor • Chassis - Current control with mains sensor - V DC control with mains sensor • Booksize/chassis - Basic Mode Rectification only - Smart Mode Rectification and regenerative feedback • Mains identification • Controller optimization • Harmonics filter • Automatic restart The mains sensor is the VSM 10 Voltage Sensing Module; "current" is the line current; 3-phase with line frequency Vector Control • Asynchronous (induction) motor - Torque control with/without encoder - Speed control with/without encoder •Torque motor - Torque control with encoder - Speed control with/without encoder • Asynchronous (induction) motor, torque motor - Position control with encoder • Linear/parabolic characteristic • Fixed-frequency characteristic (textile) • Independent voltage setpoint input • Data set changeover • Extended setpoint input • Motor identification • Current/speed controller optimization • Technology controller • Basic positioner • Automatic restart • Flying restart with/without encoder • Kinetic buffering • Synchronization •Droop • Brake control Mixed operation with V/f control modes is possible; it is for this reason that the V/f control modes are stored only once in the "Vector control" drive object Position control can be selected as a function module from both Servo and Vector mode. Synchronous motors (1FK and 1FT) and linear motors can be operated only in Servo mode. Servo Control • Asynchronous (induction) motor - Torque control with encoder - Speed control with/without encoder • Synchronous motor, linear motor and torque motor - Torque control with encoder - Speed control with encoder • All motor types • Linear/parabolic characteristic • Fixed-frequency characteristic (textile) • Independent voltage setpoint input • Data set changeover • Setpoint input • Motor identification • Damping application • Technology controller • Basic positioner • Brake control Mixed operation with V/f control modes is possible; it is for this reason that the V/f control modes are stored only once in the "Vector control" drive object Position control can be selected as a function module from both Servo and Vector mode. - Position control with encoder 3/12 Siemens PM 21 · 2013
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SINAMICS S120 drive system Encoder
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Catalog PM 21 2013 - Siemens Industry, Inc.

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