YASKAWA SERVOPACK Sigma 7W Series Product Manual

Contents

5.2 HWBB Function5.2.5 Detecting Errors in HWBB Signal5-95 Safety Functions5.2.5 Detecting Errors in HWBB SignalIf only the /HWBB1 or the /HWBB2 signal is input, an A.Eb1 alarm (Safety Function Signal InputTiming Error) will occur unless the other signal is input within 10 seconds. This makes it possi-ble to detect failures, such as disconnection of an HWBB signal.5.2.6 HWBB Input Signal SpecificationsIf an HWBB function is requested by turning OFF the two HWBB input signal channels(/HWBB1 and /HWBB2), the power supply to the Servomotors for axis A and axis B will beturned OFF within 8 ms.Note: 1. The OFF status is not recognized if the OFF interval of the /HWBB1 or /HWBB2 signal is 0.5 ms or shorter.2. You can check the status of the input signals by using monitor displays. Refer to the following manual foryour SERVOPACK for details.Σ-7-Series Σ-7W SERVOPACK with MECHATROLINK-III Communications References Product Manual(Manual No.: SIEP S800001 29)Σ-7-Series Σ-7C SERVOPACK Product Manual (Manual No.: SIEP S800002 04)5.2.7 HWBB Input Signal Waveform TraceYou can trace the following input signals with the I/O trace function of the SigmaWin+.• /HWBB1 (Hard Wire Base Block Input 1) signal• /HWBB2 (Hard Wire Base Block Input 2) signalRefer to the following manual for details on the I/O trace function.AC Servo Drives Engineering Tool SigmaWin+ Online Manual Σ-7 Component (Manual No.: SIEP S800001 48)CAUTION The A.Eb1 alarm (Safety Function Signal Input Timing Error) is not a safety-related element.Keep this in mind when you design the system./HWBB1/HWBB28 ms max.ON (normaloperation)OFF (motor currentshut-OFF request)HWBB stateSERVO-PACK Status Normal operating state