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Bosch REXROTH VSB 40.1 Project Planning Manual
Also see for Rexroth VSB 40.1: Project planning manualProject planning manual
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3-6 Safety Instructions for Electric Drives and Controls VSB 40.1DOK-SUPPL*-VSB*40.1***-PR02-EN-P3.7 Protection Against Dangerous MovementsDangerous movements can be caused by faulty control of the connectedmotors. Some common examples are:• improper or wrong wiring of cable connections• incorrect operation of the equipment components• wrong input of parameters before operation• malfunction of sensors, encoders and monitoring devices• defective components• software or firmware errorsDangerous movements can occur immediately after equipment isswitched on or even after an unspecified time of trouble-free operation.The monitoring in the drive components will normally be sufficient to avoidfaulty operation in the connected drives. Regarding personal safety,especially the danger of bodily injury and material damage, this alonecannot be relied upon to ensure complete safety. Until the integratedmonitoring functions become effective, it must be assumed in any casethat faulty drive movements will occur. The extent of faulty drivemovements depends upon the type of control and the state of operation.DANGERDangerous movements! Danger to life, risk ofinjury, severe bodily harm or material damage!⇒ Ensure personal safety by means of qualified andtested higher-level monitoring devices or measuresintegrated in the installation. Unintended machinemotion is possible if monitoring devices are disabled,bypassed or not activated.⇒ Pay attention to unintended machine motion or othermalfunction in any mode of operation.⇒ Keep free and clear of the machine’s range of motionand moving parts. Possible measures to preventpeople from accidentally entering the machine’s rangeof motion:- use safety fences- use safety guards- use protective coverings- install light curtains or light barriers⇒ Fences and coverings must be strong enough toresist maximum possible momentum, especially ifthere is a possibility of loose parts flying off.⇒ Mount the emergency stop switch in the immediatereach of the operator. Verify that the emergency stopworks before startup. Don’t operate the machine if theemergency stop is not working.⇒ Isolate the drive power connection by means of anemergency stop circuit or use a starting lockout toprevent unintentional start.⇒ Make sure that the drives are brought to a safestandstill before accessing or entering the dangerzone. Safe standstill can be achieved by switching offthe power supply contactor or by safe mechanicallocking of moving parts. |
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