INVT Goodrive800 Pro Series Hardware Manual page 45

Goodrive800 Pro Series Active Rectifier Hardware Manual
The cable trays must be connected properly and well grounded. Aluminum trays can implement local
equipotential.
For inputs of such as relay signals and other non-differential signals, non-twisted pair cables can be used,
and the wiring should minimize the loop area and a pair of signal lines should be routed as close as possible.
When laying multiple types of cables, the cables should always be routed along the alignment grooves or
metal pipes in equipotential connection, with different types of cables separated as much as possible. You
can better improve electromagnetic compatibility by using metal spacers to isolate different types of cables
in the same metal groove or metal pipe.
202305 (V1.0)
Table 4-4 Routing sensitive and interference cables
Intereference cable Sensitive cable
Figure 4-5 Non-differential signal wiring loop
Input is relay signal
S1
VFD
COM
-
Figure 4-6 Routing multiple types of cable
Intereference cable
K1
×
√
Reduce the loop area
√
√
+
DC power
Electrical installation
Sensitive cable
Angle of 90°
40