Emerson Commander SX Advanced User's Manual page 93

CONTROL TECHNIQUES
10.14
: Direction running
Adjustment range : 0 or 1
0 (Forward) (Fd): The post-ramp reference is negative
(reverse).
1 (Reverse) (rSe): The post-ramp reference is positive
(forward).
Note: Do not take this parameter into account with the motor
stopped.
10.15 10.16
and :Not used
10.17
: Motor overload alarm
Adjustment range : 0 or 1
0 (Disabled) (OFF):
1 (Enabled) (On):
This parameter is at 1 when the motor current exceeds 110%
of the programmed motor rated current and the cumulative
overload exceeds 75% of the overload capacity of the motor.
If the motor current is not reduced, the drive will trip on fault I
x t, or will reduce the current automatically according to the
protection mode configured in 4.16.
10.18
: Drive overtemperature alarm
Adjustment range : 0 or 1
0 (Disabled) (OFF):
1 (Enabled) (On):
This parameter is at 1 when the measured temperature of the
IGBTs is higher than 100 °C, or when the drive automatically
reduces the configured switching frequency, owing to
overheating of the heatsink.
10.19
: Drive general warning
Adjustment range : 0 or 1
0 (Disabled) (OFF):
1 (Enabled) (On):
This parameter is at 1 when at least one of the alarms 10.12,
10.17 or 10.18 is activated.
10.20 10.29
to : Last 10 trips stored
Adjustment range : 0 to 54
Contains the last 10 drive trips.
10.20: Indicates the most recent trip.
10.29: Indicates the oldest trip.
The possible trips are:
No. LCD display LED display
1 DC UnderVolt UU
2 DC over volt OU
3 Over current OI.AC
4 Brak. IGBT OI.br
Out Ph. loss
6 ph.AC
7 Over speed OSP
19 Brak. resist. it.br
2
20 it.AC
Motor I t
21 Th IGBT U Oht1
ADVANCED USER GUIDE
Commander SX
IP66/Nema 4X variable speed drive
MENU 10: DRIVE STATES AND DIAGNOSTICS
Reason for trip
DC bus undervoltage
DC bus overvoltage
Overcurrent at drive output
Braking IGBT transistor
overcurrent
Loss of a motor phase with
brake enabled
Over speed
Braking resistor overload I
x t
Motor overload I x t
IGBT overheating detected
by internal sensor
No. LCD display LED display
22 BR over heat Oht2
24 Motor PTC th
24V
26 O.Ld1
OVERLOAD
27 ADI1 loss CL1
28 ADI2 loss CL2
29 AIO3 loss CL3
30 COM loss SCL
31 EEPROM fail. EEF
33 Stator res. rS
34 Fieldbus loss Fbus
35 Sec. disable Secd
36 U sign. loss Enc1
37 V sign. loss Enc2
38 W sign. loss Enc3
41 User 1 tr01
42 User 2 tr02
43 User 3 tr03
44 User 4 tr04
45
User 05 tr05
to to to
user 10 tr10
51
3854 en - 03.2008 / b
Reason for trip
Internal braking resistor
overheating detected by
thermal sensor
Motor thermal sensor has
tripped
Overload on the +24V
power supply or digital
Loss of the current
reference on analog input
ADI1
Loss of the current
reference on analog input
ADI2
Loss of the current
reference on analog input
ADIO3
Loss of serial link
communication
EEPROM trip or transfer
problem with XPressKey
(drive and key version
different)
Trip during measurement of
the stator resistance
Disconnection of the
fieldbus during operation or
error detected by the bus
option
Secure disable input trip
Loss of channel U
Loss of channel V
Loss of channel W
User trip 1 via digital input
User trip 2 via digital input
User trip 3 via digital input
User trip 4 via digital input
User 5 trip via serial link to
User 10 trip via serial link
93