4 Commissioning
BU 0200 en-US-4920
123
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4.5.4 Commissioning
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4.5.4.1
Connection
Connection of the AS interface cable (yellow) is made via terminals 85/85 of the terminal block and
can optionally be made to an appropriately labeled M12 flange plug connector (yellow).
Details of control terminals (
Section 0 "Control terminal details ")
Details of connector (
Section 3.2.3 "Plug connector")
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Figure 28: Connecting terminals AS-i, left size 1 – 3, right size 4
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Model
Special version
Size
AS- interface connection
Control voltage connection
e.g. AUX line of a PELV
AS-i(+)
AS-i(-)
24 V DC
GND
SK 220E,
SK 230E
Size 1 – 3
84
85
-
1)
-
1)
BG4
84
85
44
1), 2)
40
1), 2)
SK 225E,
SK 235E
Size 1 – 3
84
85
Connection not permitted!
- AUX/-AXB
Size 1 – 3
84
85
44
40
1)
The control section of the variable frequency drive is not supplied from the AS-i line. The required auxiliary voltage for this is generated by
the device itself.
2)
Connection possible but not required.
Table 13: AS- interface, connection of signal and supply lines
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If the AS- interface ("yellow cable") is not used, the normal connection requirements for the device
apply (
Section 0 "Control terminal details ").
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Information
24 V DC / AS-Interface
(SK 225E/ SK 235E, except -AUX, -AXB)
With use of the yellow AS interface cable:
– The supply voltage 26.5 - 31.6 V DC) for use of digital inputs or other external peripherals
can be
obtained from terminals 44/40
. The permissible total current for this is limited to
60 mA
!
Terminal "44" of the device is short-circuit proof and is switched off by a thermal safety element in case of
overload. The safety device switches on again after a cooling time which depends on the ambient
conditions.
– If
no power supply may be connected to terminals 44/40
,
– The frequency inverter is supplied via the AS-i cable.
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