July 2013 8.1 Display and operation 1317
Meanings of the
signals under
"power module /
status"
Meanings of the
signals under
"speed controller /
overview"
Signal Meaning Colors
Power module ready (LT-
RDY)
The power module is ready:
Safety relay is on
Main contactor is on
SH1 (MC) is "High"
No error from the power module
Gray: No information about
the signal available
Green: Power module is
ready
Red: Power module reports
"not ready"
Switch-off power module
(IGBT)
The signal shows that the IGBT in the
power module has been switched off.
Gray: No information about
the signal available
Green: No power module
switch-off (IGBT)
Red: Power module switch-
off (IGBT)
Power module
temperature
The signal reports the status of the heat
sink temperature in the power module:
Either it is OK or too high.
Gray: No information about
the signal available
Green: Temperature of
power module OK
Red: Temperature of power
module too high
Information Meaning Colors
Direction
(only available in
motor encoder
test)
Results of the test for the
direction of rotation.
Green: Direction of
counting and rotation
are the same (OK)
Red: Direction of
counting and rotation
differ (error)
Amplitude Result of the test of the
speed encoders' signals
Green: Signal
amplitude within the
tolerance (OK)
Red: Signal amplitude
outside the tolerance
(error)