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Speed controller as the voltage controller: In the above example, a V line voltage and ohms results in approx. In this case, the precontrol of the EMF control loop is disabled and the field manuall control is only performed by the EMF controller, field characteristic curve recording is then not necessary. Power transistors to control the pulse transfomers.

6RA F11 Alarm – Entries – Forum – Industry Support – Siemens

Fixed-value connectors and binectors, Sheet G After a protracted operating time, the motor must be dismantled and the winding also freed from brush dust. T0 is the integral-action time of the integral-action element.

It is therefore a special case of amnual equation, similar to the differential equation, that describes the response of a system for any input variables. For more detailed information see description on U, Chapter 11 of the Operating Instructions. CA Power section wiring and snubber circuits, Gate pulse transformers for floating control of the thyristors of the field supply Power terminals: Actual armature current value K, Sheet G To find more books about simodrive 6ra27 manualyou can use related keywords: On weak power supply networks it may be necessary to reduce Alpha W, for example, set degrees.


Response threshold for A is 90 degrees, the response threshold for F is 95 degrees Celsius. Additionally, multiplying manal on the limit is possible by entering the required connector number in P Inverted fault can be used for output to a binary output.

Armature resistance, several milliohms to ohms depending on motor size, milliohmmeter required. Perform trace recording with triggering in reponse to fault.


The ramp-function generator changes speed setpoint that suddenly changes by means of an ascending ramp ramp-up time P and a descending manial ramp-down time P In addition, a lower transition rounding P at the beginning and an upper transition rounding P at the end of the ramp-up function can be set.

The thyristor will only remain conductive when mannual holding current is reached. Check the following parameters: Low priority If several control signals are pending simultaneously, the command is executed with a higher priority, e.

Evaluation of analog and binary inputs and outputs, all inputs and outputs are referenced to ground.

Ideally, e-mail a full parameter upload. Semi-conductor protective fuses of duty class “aR” cannot assume additional protection of the line; in this case, extra precautions must be taken. Current control loop The current control loop adjusts any deviation of the current setpoint: If, not one but two especially large lag elements are in a series of the first-order lag, a proportional-plus-integral-plus-derivative-action controller, i.


See also the description of applications for field supply with 6RA For further documentation, please go to the following links: Check the current load current with r and measure with an ammeter, any deviations may point to a fault in 6RA Rated device connection voltage for armature r A droop function, Sheet G, is also available.

Operating mode for the field Note: As RF interference is lower on DC drives than on AC drives with frequency converters, filters are only implemented on the former if the customer makes a special request. Controller structure for Off1 and Off3 To be able to execute Off1 and Off3 during current-controlled operation, the controller structure is adapted with a switch in the software.

A relevant control signal might be missing. Measurement of electrical variables Electrical variables that can be measured with a multimeter: A precontrol is active at the same time and has a different characteristic curve than the armature current control loop because it includes a half-controlled bridge circuit.