Installation
4.2 Electrical Installation
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
41
•
Connect the PE terminal on
the left-hand side of the
converter to the metal frame it
is mounted on.
•
Recommended cable cross
section: 10 mm²
•
Use a short wire connection
preferably.
•
Clean the connection to the
steel construction from paint or
dirt.
•
Use a ring clamp to ensure a
good physical connection
which is resistant to accidental
disconnection.
Grounding the motor
●
Ground the motor via the PE connection in the motor connector.
●
Ground the connector as shown in the diagram above (grounding the converter).
Although the line and motor connectors are of a different type, the principle of grounding
them is the same.
●
If possible, ground the motor housing.
EMC cable glands
Where cable glands are used within the installation of the system, it is recommended that
EMC glands are used.
The cable gland provides protection to the IP68 standard when fitted correctly.
Figure 4-6
Example of a Blueglobe EMC cable gland
Table 4- 1
Brass-nickel plated EMC cable gland with metric thread as per EN50262.
Connection thread/length
Clamping range
without inlet
max/min [mm]
Clamping
range max/min
[mm]
Spanner
width SW *
E
Article No.
A
D [mm] C [mm]
M16 x 1.5
6.0
29
11 … 7
9 … 7
20 x 22.2
bg216mstri
M20 x 1.5
6.5
29
14 … 9
12 … 7
24 x 26.5
bg220mstri