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Function module basic positioner EPosThe basic positioner EPos is available as a standard technology function for the following SINAMICS Control Units and can be called as a function module that can be activated additionally. - SINAMICS S120 CU310‑2 and CU320‑2 Control Units
- SINAMICS S110 CU305 Control Units
- SINAMICS G120 CU250S‑2 Control Units
- SINAMICS G120D CU250D‑2 Control Units
The basic positioner can be used to resolve basic motion control tasks without additional external technological outlay from the drive itself. Integrated functionality for absolute and relative positioning of linear and rotary axes with motor encoders or machine encoders. The EPos basic positioner in the SINAMICS drive system provides powerful and precise positioning functions. Due to its flexibility and adaptability, the basic positioner can be used for a wide range of positioning tasks. The functions are easy to handle both during commissioning and during operation, and the comprehensive monitoring functions are outstanding. Many applications can be carried out without external position controllers. The EPos basic positioner is used to position linear and rotary axes (modulo) in absolute/relative terms with rotary as well as linear motor encoder or machine encoder (indirect or direct measuring system). EPos is a function module that can be activated additionally in Servo Control and in Vector Control. User-friendly configuring and commissioning, including control panel (operation using PC) and diagnostics, are possible with the STARTER and SINAMICS Startdrive commissioning tools. In addition to extremely flexible positioning functions, EPos offers a high degree of user-friendliness and reliability thanks to integral monitoring and compensation functions. Different operating modes and their functionality increase flexibility and plant productivity, for example, by means of "on-the-fly" and bumpless correction of the motion control. Preconfigured PROFIdrive positioning frames are available which, when selected, automatically establish the internal "connection" to the basic positioner. Functionality of the EPos basic positionerLower-level closed-loop position control with the following essential components - Position actual value sensing (including the lower-level measuring probe evaluation and reference mark search)
- Position controller (including limits, adaptation and pre-control calculation)
- Monitoring functions (standstill, positioning and dynamic following error monitoring, cam signals)
Mechanical system - Backlash compensation
- Modulo offset
Limitations - Speed/acceleration/delay/jerk limitation
- Software limit switches (traversing range limitation by means of position setpoint evaluation)
- Stop cams (traversing range limitation using hardware limit switch evaluation)
Referencing or adjustment - Set reference point (for an axis at standstill)
- Search for reference (separate mode including reversing cam functionality, automatic reversal of direction, homing to "output cam and encoder zero mark" or only "encoder zero mark" or "external zero mark (BERO)")
- Flying referencing (seamless referencing possible during "normal" traversing with the aid of the measuring input evaluation; generally evaluation, e.g. of a BERO. Subordinate function for the modes "jog", "direct setpoint input/MDI" and "traversing blocks")
- Absolute encoder alignment
Traversing block mode - 64 traversing blocks for
- SINAMICS S120 CU310‑2 and CU320‑2 Control Units
- 16 traversing blocks for
- SINAMICS S110 CU305 Control Units
- SINAMICS G120 CU250S‑2 Control Units
- SINAMICS G120D CU250D‑2 Control Units
- Positioning using traversing blocks that can be stored in the drive unit including continuation conditions and specific jobs for previously homed axis
- Configuring traversing blocks using the traversing block editor in the relevant commissioning tool of the SINAMICS drive family
- A traversing block contains the following information:
- Job number and job (e.g. positioning, waiting, GOTO block jump, setting of binary outputs, travel to fixed endstop)
- Motion parameters (target position, velocity, override for acceleration and deceleration)
- Mode (e.g.: hide block, continuation conditions such as "Continue_with_stop", "Continue_flying" and "Continue_externally using high-speed measuring inputs")
- Job parameters (e.g. wait time, block step conditions)
Direct setpoint specification mode (MDI) - Positioning (absolute, relative) and setting-up (endless closed-loop position control) using direct setpoint inputs (e.g. via the PLC using process data)
- It is always possible to influence the motion parameters during traversing (on-the-fly setpoint acceptance) as well as for on-the-fly changes between the setup and positioning modes.
- The direct setpoint specification mode (MDI) can also be used in the relative positioning or setup mode if the axis is not referenced. This means that on-the-fly synchronization and re-referencing can be carried out using "flying referencing".
Jog mode - Closed-loop position controlled traversing of the axis with "endless position controlled" or "jog incremental" modes (traverse through a "step width"), which can be toggled between
Further information can be found in the section Technology functions.
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Арматура DENDOR
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Датчики и измерители
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Регуляторы и регистраторы
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Пневматическое оборудование
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Краны и Клапаны
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Измерительные приборы
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Системы беспроводного управления «умный дом»
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Бесконтактные выключатели Конечные выключатели Оптические датчики Энкодеры
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SKW-FS - Установка умягчения
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SKW-FK - Установка обезжелезивания
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