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Simple Two Hand Safety Control Circuit

2015-01-12 23:41  
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A two-hand control is used when it is necessary to ensure that the operator must be prevented from reaching into the hazardous area. If the operator decides, after the start signal has been given to the machine, to make an 'after grasp' into the machine, then a dual stop signal is given to the machine.The simple two-hand safety-control switch shown here is little more than two pushbutton switches connected in series;Both must be depressed in order to energize the relay.Two-hand safety controls ensure protection against hand injury due to dangerous machine movement. A two-hand safety control system is made up of two elements: a control board and a safety control module.The control board has two control devices that force the use of two-hand activation simultaneously.

Simple Safety Circuit Circuit