Goodrive350-UL Series VFD
Installation guidelines
-32-
S1
S2
COM
PW
+
24V
COM
+
24V
Internal power
(
NPN mode
)
S1
S2
COM
PW
+
24V
COM
+
24V
External power
(
NPN mode
)
+
24V
Fig 4.23 NPN mode
If input signal comes from PNP transistor, set the U-type short-contact tag based on the power used
according to the figure below.
S1
S2
COM
PW
+
24V
COM
+
24V
External power
(
PNP mode
)
S1
S2
COM
PW
+
24V
COM
+
24V
Internal power
(
PNP mode
)
Fig 4.24 PNP mode
4.5 Wiring protection
4.5.1 Protect the VFD and input power cable in short-circuit
Protect the VFD and input power cable during short-circuit to avoid thermal overload.
Carry out protective measures according to the following requirements.
Input cable
VFD
M
3 ~
Fuse
Fig 4.25 Fuse configuration
Note:
Select the fuse according to operation manual. During short-circuit, the fuse will protect input
power cables to avoid damage to the VFD; when internal short-circuit occurred to the VFD, it can
Содержание GD350-004G-2-UL
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