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-
N O T I C E
The thermistor input is disabled by default, but activates automatically when a thermistor is detected. If thermistors have previ-
ously been connected to the MCD 600 but are no longer required, use the Thermistor Reset function to disable the thermistor.
Thermistor reset is accessed via
Set-up Tools
.
5.4.3 Start/Stop
The VLT® Soft StarterMCD 600 requires 2-wire control.
RESET
COM+
START
A
B
e
7
7
h
a
7
2
1
.1
0
Illustration 8: Start/Stop Control Wiring
A
Reset
B
Start/stop
C A U T I O N
ATTEMPTED START
If the start input is closed when control voltage is applied, the soft starter attempts to start.
Check that the start/stop input is open before applying control voltage.
N O T I C E
The MCD 600 only accepts command from the control inputs if
parameter 1-1 Command Source
is set to
Digital Input
.
5.4.4 Reset/Starter Disable
The reset input (RESET, COM+) is normally closed by default. The soft starter does not start if the reset input is open. The display
then shows
Not ready
.
If the reset opens while the soft starter is running, the soft starter removes power and allows the motor to coast to stop.
N O T I C E
The reset input can be configured for normally open or normally closed operation. Make the selection in
parameter 7-9 Reset/
Enable Logic
.
5.4.5 Programmable Inputs
The programmable inputs (DI-A, COM+ and DI-V, COM+) allow external equipment to control the soft starter. The operation of the
programmable inputs is controlled by
parameters 7-1
to
7-8
.
5.4.6 USB Port
The USB port can be used to upload a configuration file or download parameter settings and event log information from the soft
starter. See
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Danfoss A/S © 2020.12
Installation
VLT® Soft Starter MCD 600
Operating Guide
Содержание VLT MCD 600
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