Emotron MSF 2.0 Softstarter

Min power alarm response delay [410]This menu is available if min power alarm is enabled inmenu [401]. In this menu the response delay for min poweralarm is configured. A min power alarm will occur if theactual motor shaft power is below the normal load (menu[412]) minus the min power alarm margin set in menu[409] for a longer time period than the chosen min poweralarm response delay.4 1 0Min power alarm response delayDefault: 0.5 sRange: 0.1-90.0 s0.1-90.0 Response delay for Min power alarm.Auto set [411]This menu is available if max or min power alarm is enabledin menu [400] or [401]. The Auto set command performs ameasurement of the actual motor load and automatically setsthe normal load in menu [412].To perform an Auto set, select YES, and press “ENTER”during normal operation. If Auto set has been executed successfully,“SEt” is shown in the display for two seconds. Afterthat “no” is shown again. An Auto set can also be initiatedvia the analogue/digital input, see description of menu [500]for more information.NOTE: Auto set is only allowed during full voltagerunning.4 1 1Default:Range:noYES0.n5onono, YESNo actionAuto setAuto setSettingMulti SettingNormal load [412]This menu is available if Max or Min power alarm is enabledin menu [400] or [401]. Normal load is the shaft powerneeded under normal operation conditions. By default, Normalload is considered to be 100% of the nominal motorpower. Depending on the dimensioning of the motor withrespect to the application, this value may need to beadapted. Normal load can easily be adapted by using theAuto set function in menu [411]. Normal load is set as apercentage of nominal motor power.NOTE: When using the shaft power monitor, check thatthe nominal motor power is set properly in menu [212].4 1 2Default: 100%Range: 0-200% of P n0-200 Normal loadOutput shaft power [413]This menu is available if max or min power alarm is enabledin menu [400] or [401]. The menu provides a read-out ofthe actual shaft power. It can be used as input informationwhen the normal load is set manually.Range:14 1 30000-200% of P n8.8.2 External alarm [420]The MSF 2.0 can generate an alarm according to the statusof an external signal. For a detailed description of the externalalarm functionality see section 8.9.5, page 91.The following alternatives are available for external alarm:OffExternal alarm is deactivated.Normal loadOutput shaft powerSettingRead-outWarningAlarm message F17 is shown in the display and relay K3 isactivated (for default configuration of the relays) if the externalalarm input is opened. However, the motor is notstopped and operation continues. The alarm message willdisappear and the relay will be reset when the external alarminput is activated again. The alarm may also be reset manually.CoastAlarm message F17 is shown in the display and relay K3 isactivated (for default configuration of the relays) if the externalalarm input is opened. The motor voltage is automaticallyswitched off. The motor freewheels until it stops.StopAlarm message F17 is shown in the display and relay K3 isactivated (for default configuration of the relays) if the externalalarm input is opened. The motor is stopped accordingto the stop settings in menus [320] to [325].Emotron AB 01-4135-01r2 Functional description 73