Santerno Sinus Penta - Autoreset Menu

SINUS PENTA
PROGRAMMING GUIDE
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43. AUTORESET MENU
43.1. Overview
The Autoreset function can be enabled in case an alarm trips. You can enter the maximum number of autoreset
attempts and the time required for resetting the attempt number. If the Autoreset function is disabled, you can program
an autoreset procedure at power on, which resets an active alarm when the drive is shut off. Undervoltage alarms or
mains loss alarms can be saved in the fault list in the Autoreset menu.
To activate the Autoreset function, set a number of attempts other than zero in parameter C255. When the number of
reset attempts is the same as the value set in C255, the autoreset function is disabled. It will be enabled again only
when a time equal to or longer than the time set in C256 has passed.
If the drive is turned off when an alarm is active, the alarm tripped is stored to memory and will be active at next power
on. Regardless of the Autoreset function setup, an automatic reset of the last alarm stored can be obtained when the
drive is next turned on (C257 [Yes]). Undervoltage alarm A047 (DC bus voltage below allowable threshold with motor
running) or Mains Loss alarm A064 (mains loss when the motor is running and the Power Down function is disabled) are
not stored in the fault list when the drive is powered off (factory-setting). To enable parameter storage, set C258 to
[Yes].
43.2. List of Parameters C255 to C258
Table 117: List of parameters C255 to C258
Parameter FUNCTION User Level
MODBUS
Address
Default Values
C255
Autoreset attempt number
ENGINEERING
1255
0
C256
Attempt counting reset time
ENGINEERING
1256
300 sec
C257
Alarm reset at Power On
ENGINEERING
1257
0: [Disabled]
C258
Enable Undervoltage and Mains
Loss alarms
ENGINEERING 1258 0: [Disabled]
C255 Autoreset Attempt Number
C255
Range
0 ÷ 100
0 ÷ 100
Default
0
0
Level
ENGINEERING
Address
1255
Function
If set other than 0, this parameter enables the Autoreset function and sets the max.
allowable number of reset attempts. The autoreset attempt count is reset when
a
time equal to the time set in C256 passes starting from the last alarm tripped.
C256 Attempt Counting Reset Time
C256
Range
0; 1000
0; 1000 sec.
Default
300
300 sec.
Level
ENGINEERING
Address
1256
Function
Determines the time that passes from the last alarm tripped to reset the autoreset
attempt number.