Installation manual

Configuration Mode (ConF)
S1A28692 03/2010 237
Parameters described in this page can be accessed by:
Code Name / Description Adjustment range Factory setting
FLt- [FAULT MANAGEMENT] (continued)
tHt- [MOTOR THERMAL PROT.]
tHt [Motor protect. type]
[Self cooled] (ACL)
nO
ACL
FCL
Note: A trip will occur when the thermal state reaches 118% of the rated state and reactivation will occur when the state falls
back below 100%.
[No] (nO): No protection
[Self cooled] (ACL): For self-cooled motors
[Force-cool] (FCL): For force-cooled motors
ttd [Motor therm. level]
0 to 118% 100%
T
(1)
Trip threshold for motor thermal alarm (logic output or relay).
ttd2 [Motor2 therm. level]
0 to 118% 100%
T
Trip threshold for motor 2 thermal alarm (logic output or relay).
ttd3 [Motor3 therm. level]
0 to 118% 100%
T
Trip threshold for motor 3 thermal alarm (logic output or relay).
OLL [Overload fault mgt]
[Freewheel] (YES)
CAUTION
RISK OF DAMAGE TO THE MOTOR
If [Overload fault mgt] (OLL) is set to [Ignore] (nO), motor thermal protection is no longuer provided by
the drive. Provide an alternative means of thermal protection.
Failure to follow these instructions can result in equipment damage.
nO
YES
Stt
LFF
rLS
rMP
FSt
dCI
Type of stop in the event of a motor thermal trip.
[Ignore] (nO): Detected fault ignored
[Freewheel] (YES): Freewheel stop
[Per STT] (Stt): Stop according to configuration of [Type of stop] (Stt) page 158
, without tripping. In this case, the fault
relay does not open and the drive is ready to restart as soon as the detected fault disappears, according to the restart conditions
of the active command channel (for example, according to [2/3 wire control] (tCC) and [2 wire type] (tCt) page
112 if
control is via the terminals). Configuring an alarm for this detected fault is recommended (assigned to a logic output, for example)
in order to indicate the cause of the stop.
[fallback spd] (LFF): Change to fallback speed, maintained as long as the detected fault persists and the run command has
not been removed (2)
[Spd maint.] (rLS): The drive maintains the speed being applied when the detected fault occurred, as long as the detected
fault is present and the run command has not been removed (2)
[Ramp stop] (rMP): Stop on ramp
[Fast stop] (FSt): Fast stop
[DC injection] (dCI): DC injection stop. This type of stop cannot be used with certain other functions. See table on page 150
MtM [Mot THR memo]
[No] (nO)
nO
YES
Motor thermal state memorization.
[No] (nO): Motor thermal state is not stored at power off
[Yes] (YES): Motor thermal state is stored at power off
DRI- > CONF > FULL > FLT- > THT-
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: [phone]-Outside Local Area: [phone]-www.stevenengineering.com