Emotron MSF 2.0 Softstarter

NOTE: The internal auto reset counter is reset to zero if astop signal is given. After each new start signal (viaremote or serial communication) the maximum numberof restart attempts will be allowed as configured inmenu [250].2 5 0oF FAuto reset attemptsDefault: oFFRange: oFF, 1-10oFFAuto reset disabled.1-10 Number of auto reset attempts.Setting8.5.2 Auto reset items [251]-[263]Menus [251] to [263] are available if auto reset is enabled inmenu [250]. With these parameters the delay time for autoreset is configured. The delay time starts counting when thefault is gone. When the delay time has elapsed, the alarmwill be reset and a restart attempt will automatically bemade.NOTE: Enabling auto reset for an alarm has no effect ifthe alarm action for the respective alarm is set to oFF orWarning (1).Thermal motor protection auto reset[251]This menu is available if auto reset is activated in menu[250]. In this menu the delay time for thermal motor protectionauto reset is configured. The delay time starts countingwhen the fault is gone. This means the internal thermalmotor model has to cool down to a thermal capacity of 95%(if internal thermal motor protection is enabled) and thePTC resistance has to go down to 2.2 kOhm (if PTC is enabled),which indicates that the motor has cooled down.When the delay time has elapsed, the alarm will be reset anda restart attempt will automatically be made.Start limitation auto reset [252]This menu is available if auto reset is activated in menu[250]. In this menu the delay time for an auto reset after astart limitation alarm (alarm code F11) is configured. Thedelay time starts counting when the fault is gone. Thismeans the minimum time between starts has to be expired(if Minimum time between starts protection is enabled) anda start has to be allowed for the actual hour (if starts perhour protection is enabled). When the delay time haselapsed, the alarm will be reset and a restart attempt willautomatically be made.Locked rotor alarm auto reset [253]This menu is available if auto reset is activated in menu[250]. In this menu the delay time for an auto reset after alocked rotor alarm (alarm code F5) is configured. As alocked rotor cannot be detected in stopped state, the delaytime starts counting immediately after the alarm action hasbeen executed. When the delay time has elapsed, the alarmwill be reset and a restart attempt will automatically bemade.Current limit start time expired autoreset [254]This menu is available if auto reset is activated in menu[250]. In this menu the delay time for an auto reset after acurrent limit start time expired alarm (alarm code F4) isconfigured. As a current limit start time expired fault conditioncannot be detected in stopped state, the delay timestarts counting immediately after the alarm action has beenexecuted. When the delay time has elapsed, the alarm will bereset and a restart attempt will automatically be made.Max power alarm auto reset [255]This menu is available if auto reset is activated in menu[250]. In this menu the delay time for an auto reset after amax power alarm (alarm code F6) is configured. As a maxpower fault condition cannot be detected in stopped state,the delay time starts counting immediately after the alarmaction has been executed. When the delay time has elapsed,the alarm will be reset and a restart attempt will automaticallybe made.2 5 1DefaultRange:oFF1-3600oFFoFFoFF, 1-3600 sSettingThermal motor protection autoresetThermal motor protection auto reset is disabledDelay time for thermal motor protectionauto resetMin power alarm auto reset [256]This menu is available if auto reset is activated in menu[250]. In this menu the delay time for an auto reset after amin power alarm (alarm code F7) is configured. As a minpower fault condition cannot be detected in stopped state,the delay time starts counting immediately after the alarmaction has been executed. When the delay time has elapsed,the alarm will be reset and a restart attempt will automaticallybe made.Emotron AB 01-4135-01r2 Functional description 53