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AES 2335BNS Compatible Safety ControllersDimensionsISD45 x 100 x 121 mmThe following faults are recognized by the safetycontroller and indicated by means of ISD• Failure of door contacts to open or close• Short-circuits on or between the switch connections• Interruption of the switch connections• Failure of the unit’s internal safety relay to pull-in ordrop-out• Faults on the input circuits or on the relay controlof the guard door monitor• Failure of or functional fault on the safety controllerFeatures• Control Category 3 to EN 954-1• 3 enabling circuits• Enable delay time can be modified• Monitoring of mechanical position switches,safety switches, solenoid interlocks, codedmagnet sensors or E-stops• NO-NC contact combination can beconnected• Can be used as emergency-stop controllerfor Category 0 to EN 60204-1• Monitoring for short-circuit betweenconnections• ISD Integral System Diagnostics• Available for various operational voltages• Short-circuit proof additional transistoroutputs• Feedback circuit to monitor external relays• Start function• Connection of input expansion modulespossible• Additional contact by means of outputexpansion modulesModelDesignationAES 2335 24-230V AC/DCFunctionTableAdditional semiconductoroutput YFunction of output YSwitching ConditionAES 2335 Y1 High (+24V) Enable circuit closedY2 High (+24V) Enable circuit openApprovals BG UL CSA168