Fuxx Control - ARS 2320 / ARS 2340 Instruction Manual - Kuhnke

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Fuxx Control ARS 2320 / ARS 2340 KUHNKE Automation 5.3.9 Time-synchronized multi-axis positioning In the case of multi-axis applications in conjunction with the "interpolated position mode", the clock synchronization allows simultaneous movements. All controllers of the ARS 2300 servo positioning controller, i.e. the entire controller cascade, are synchronized with the external clock signal. As a consequence, position values applied to several axes are adopted and executed simultaneously and without jitter. A clock signal can be, for example, the sync message of a CAN bus system. As a result, several axes can reach a target simultaneously although they had different path lengths and traversing speeds. 54 E 732 GB 14.12.2006
KUHNKE Automation Fuxx Control ARS 2320 / ARS 2340 6 Functional safety technology 6.1 General, intended use The ARS 2300 servo positioning controllers support the "safe stop" safety function with prevention of unexpected start-up as required by standard EN 954-1, category 3. The standstill of the machine has to be initiated and ensured by the control system of the machine. This applies particularly to vertical axes without self-locking mechanism or weight compensation. In accordance with a danger analysis / risk assessment following the machinery directives 98/37/EEC, EN ISO 12100, EN 954-1 and EN 1050, the machine manufacturer has to plan the safety system for the entire machine whilst taking into account all components integrated. Among these are also electric drives. The standard EN 954-1 subdivides the requirements placed on control systems into five categories graduated according to the level of risk (see Table 24 ). Table 24: Description of the requirements to be met for the categories in accordance with EN 954-1 Category 1) Summary of requirements System behaviour 2) Principles to achieve safety B Safety-related parts of control systems and/or their protective equipments, as well as their components, shall be designed, constructed, selected, assembled and combined in accordance with relevant standards to that they can withstand the expected influence. 1 The requirements of category B must be met. Well-tried components and welltried safety principles must be used. 2 The requirements of category B and the use of well-tried safety principles shall apply. The safety function must be checked by the control system of the machine at regular intervals. The occurrence of a fault can lead to the loss of the safety function. The occurrence of a fault can lead to the loss of the safety function but the probability of occurrence is lower than for category B. The occurrence of a fault can lead to the loss of the safety function between the checks. The loss of a safety function is detected by the checks. Mainly characterised by selection of components. Mainly characterised by structure E 732 GB 55 14.12.2006
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Fuxx Control - ARS 2320 / ARS 2340 Instruction Manual - Kuhnke

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