70BV01C-ES HESG447260R1 ABB driver

Beside On / 0ff and Start / Stop the drive is equipped with two additional stop functions Off2 andOff3 according to Profibus standard.
Off3 is scalable via 21.03 Emergency stop mode to perform a stop according to category 1. Connectthis function to the E-stop push button (off3) without any time delay. n case of 21.03 Emergency stopmode = Ramp stop the timer relay (K15) must be set longer than 23.23 Emergency stop time. For21.03 Emergency stop mode = Coast stop the drive opens the mains contactor immediately.

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Beside On / 0ff and Start / Stop the drive is equipped with two additional stop functions Off2 andOff3 according to Profibus standard.
Off3 is scalable via 21.03 Emergency stop mode to perform a stop according to category 1. Connectthis function to the E-stop push button (off3) without any time delay. n case of 21.03 Emergency stopmode = Ramp stop the timer relay (K15) must be set longer than 23.23 Emergency stop time. For21.03 Emergency stop mode = Coast stop the drive opens the mains contactor immediately.

70BV01C-ES-HESG447260R1

Off2 switches the DC current off as fast as possible and prepares the drive to open the mainscontactor or drop the mains supply. For a normal DC motor load the time to force the DC current tozero is below 20 ms. This function should be connected to all signals and safety functions openincthe mains contactor. This function is important for 4-0 drives. Do not open mains contactor duringregenerative current. The correct sequence is.
Switch off regenerative current.
Then open the mains contactor

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