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Siemens 6SN1123-1AA00-0DA2 Configuration Manual
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805.018.6 Application examples with SIMODRIVE 6118-265© Siemens AG 2012 All Rights ReservedSIMODRIVE 611 Configuration Manual (PJU) – 02/2012 Edition Circuit example =2:When the drives are powered up and powered down, the complete drivegroup, including the line contactor and start inhibit terminals, is switched in asafety–related way through two channels. The power–on frequency per unittime of the NE module is limited. This is due to the pre–charging circuit toramp up the DC link voltage at the capacitors.This circuit is, for example, not suitable for machines where the protectivedoor is frequently opened or for the ”setting–up” mode where the agreementfunction is frequently applied. Circuit example =3:Using this circuit, one or more drives can be selectively shut down in a safe-ty–related way from an operational drive group, using a key–operatedswitch, limit switch, light barriers, and brought into the ”safe standstill” oper-ating mode.Beforehand, the NC control must have safely stopped the drives. This circuitcan also be used in conjunction with the basic control =4.Circuit examples =2 and =3 are also used to obtain a basic understanding ofthe complex and extensive control functions from circuit =4 onwards.NoteAll of the following circuit examples neither include safety–related or othermechanical interlocks that may be necessary with the machine control on theuser side.8 Important Circuit Information |
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