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Compulsory Connections
Some of the connections are optional, depending on what functions are required and
whether these functions are to be accessed in digital mode from K
EY
P
AD
or from the
T
ERMINAL
B
LOC
X2 . For further information, refer to the bloc diagram.
Even to
control the drive through the user interface PC560
, the following connections
are
compulsory
:
•
Mains input: terminals X1:
L1, L2, L3 and PE
•
Converter outputs: X1:
U, V, W and PE
•
STOP: terminals X2/8 - X2/9 must be strapped together. In case of K
EY
P
AD
PC560 control, opening this contact will stop the motor.
•
External interlocks: terminals X2/39 - X2/40 must be strapped together if the
external interlocks are not used.
•
The access key terminals must be strapped, terminals X2/47 – X2/48
•
Motor temperature probe PTC: terminals X2/58 - X2-59 must be strapped
together if the motor has no temperature probe.
UL requires an External Motor
Overload Protection.
The START / STOP functions
START
STOP
COM
9
8
10
X2
START command with impulse contact.
The START remains active until the STOP circuit between terminals 8
and 9 is interrupted.
When the drive is “READY”, +24VDC is available on terminal COM
9
8
10
X2
START
STOP
COM
START / STOP command using permanent contact.
Caution:
If the permanent start contact is closed when the
inverter is powered up, the motor will start automatically if a
RESET is performed.
The Speed Reference Input
Note:
Any input reference voltage < 100 mV is considered as
speed reference
0
i.e speed range 1% to 100%.
Ω
Ω
X2
-10V Pot.
0V-AGND
CMD1+
CMD1-
+10V Pot.
-10V Pot.
0V-AGND
CMD1+
CMD1-
CMD1+
CMD1-
Voltage
from CNC
reference
10k
10k
1
2
3
4
5
1
2
3
4
5
4
5
+10V Pot.
Input 0 ... +10
V
Reversing through terminal bloc X2/32 or
user interface PC560, depending on the programming
Input
±
10 V
Reversing of direction when crossing 0 V
The reversing from the terminal bloc X2/32 must be open
Differential input from outside source
Can be 0 ... + 10 or
±
10 V
Reversing from terminal bloc or crossing 0 V
Page 20 / 48
User Manual K4000
S476-gb-0348
Содержание ACOMEL K 4000
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