Bosch Rexroth IndraDyn S - MKE Project Planning Manual

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18/131 Bosch Rexroth AG | Electric Drivesand ControlsRexroth MKE Synchronous Motors | Project Planning ManualSafety Instructions for Electric Drives and Controlswith basic insulation (such as programming devices, PCs, notebooks, displayunits) to these connections.WARNINGDanger to life, risk of injury by electric shock! High electrical voltage byincorrect connection!If extra-low voltage circuits of devices containing voltages and circuits of morethan 50 volts (e.g., the mains connection) are connected to Bosch Rexrothproducts, the connected extra-low voltage circuits must comply with the requirementsfor PELV ("Protective Extra-Low Voltage").3.3.3 Protection Against Dangerous MovementsDangerous movements can be caused by faulty control of connected motors.Some common examples are:●●●●●●Improper or wrong wiring or cable connectionOperator errorsWrong input of parameters before commissioningMalfunction of sensors and encodersDefective componentsSoftware or firmware errorsThese errors can occur immediately after equipment is switched on or evenafter an unspecified time of trouble-free operation.The monitoring functions in the components of the drive and control system willnormally be sufficient to avoid malfunction in the connected drives. Regardingpersonal safety, especially the danger of injury and/or property damage, thisalone cannot be relied upon to ensure complete safety. Until the integratedmonitoring functions become effective, it must be assumed in any case thatfaulty drive movements will occur. The extent of faulty drive movements dependsupon the type of control and the state of operation.
Project Planning Manual | Rexroth MKE Synchronous Motors Electric Drivesand Controls| Bosch Rexroth AG 19/131Safety Instructions for Electric Drives and ControlsWARNINGDangerous movements! Danger to life, risk of injury, serious injury orproperty damage!●A risk assessment must be prepared for the installation or machine, withits specific conditions, in which the components of the drive and controlsystem are installed. As a result of the risk assessment, the user mustprovide for monitoring functions and higher-level measures on the installationside for personal safety. The safety regulations applicable to theinstallation or machine must be taken into consideration. Unintended machinemovements or other malfunctions are possible if safety devices aredisabled, bypassed or not activated.To avoid accidents, injury and/or property damage:●●●●●●●●●Keep free and clear of the machine’s range of motion and moving machineparts. Prevent personnel from accidentally entering the machine’s rangeof motion by using, for example:– Safety fences– Safety guards– Protective coverings– Light barriersMake sure the safety fences and protective coverings are strong enoughto resist maximum possible kinetic energy.Mount emergency stop switches in the immediate reach of the operator.Before commissioning, verify that the emergency stop equipment works.Do not operate the machine if the emergency stop switch is not working.Prevent unintended start-up. Isolate the drive power connection by meansof an emergency stop circuit or use a safe starting lockout.Make sure that the drives are brought to a safe standstill before accessingor entering the danger zone.Additionally secure vertical axes against falling or dropping after switchingoff the motor power by, for example,– mechanically securing the vertical axes,– adding an external braking/arrester/clamping mechanism or– ensuring sufficient equilibration of the vertical axes.The standard equipment motor holding brake or an external holding brakecontrolled by the drive controller is not sufficient to guarantee personalsafety!Disconnect electrical power to the components of the drive and controlsystem using the master switch and secure them from reconnection for:– Maintenance and repair work– Cleaning of equipment– Long periods of discontinued equipment usePrevent the operation of high-frequency, remote control and radio equipmentnear electric/electronic components of the drive and control systemand their supply leads. If the use of these devices cannot be avoided,check the machine or installation, before initial commissioning of the driveand control system, for possible malfunctions when operating such highfrequency,remote control and radio equipment in its possible positions ofnormal use. It might possibly be necessary to perform a special electromagneticcompatibility (EMC) test.
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Bosch Rexroth IndraDyn S - MKE Project Planning Manual

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