Hardware and Engineering DF6-340-... Frequency ... - Moeller.com.tr

01/02 AWB8230-1413GB Programmable relay outputsK11 to K34Fault signal (AL)The relay output configured as AL is activated when a fault hasoccurred.Figure 97:ALK23 K245...30 V 0. 250 V DRelay output K23-K24 configured as AL (fault occurrence)X Program one of the relay outputs K23-K24 or K33-K34 as AL bysetting the corresponding PNU (C021 or C022) to 05.By default, AL is assigned to signalling relay K1 (terminals K11,K12, K14).After the frequency inverter supply voltage has been switched off,the AL output remains active until the DC bus voltage has droppedbelow a certain level. This time depends, among other factors, onthe load applied to the inverter.The delay from the time a fault occurs until the AL output isactivated is about 300 ms.Instant stop (IP) <strong>and</strong> undervoltage (UV)The UV (undervoltage) <strong>and</strong> IP (instant stop) signals can beassigned to one of the relay outputs K11-K12, K23-K24 orK33-K34.The UV output is activated when the internal DC link voltage fallsbelow a specified limit value. The CPU monitors the DC linkvoltage, <strong>and</strong> as soon as it falls below a particular value, the outputvoltage is switched off to prevent the device from being damaged.This is important since, when the drive requires full power <strong>and</strong> theDC link voltage falls, the current rises, which can lead to anunexpected disconnection due to overload or overcurrent.The IP output is activated when the supply voltage fails or anovervoltage occurs. With this function, the input voltage ismonitored, allowing a disconnection to take place more quickly.Voltage monitoring does not work if a phase failure occurs at themain power supply (L1, L2, L3) <strong>and</strong> the control electronics aresupplied externally through the R0T0 terminals.X Program one of the relay outputs K23-K24 or K33-K34 as IP byentering the value 08 in the corresponding PNU (C021 or C022)or in PNU C026 for signalling relay contacts K11-K12.X Program one of the relay outputs K23-K24 or K33-K34 as UV byentering the value 09 in the corresponding PNU (C021 or C022)or in PNU C026 for signalling relay contacts K11-K12.99