Power Connections; Mains Connection - Lenze 9300 Manual

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4.2.7
4.2.7.1
Fig. 4-7

Power connections

Controller
9321 ... 9326
9327 ... 9332

Mains connection

Types 9321 to 9326
L1 L2 L3
Correct screen connection with screened cables
(required parts in the accessory kit):
€
l
Screw sreen plate on fixing bracket
l
Fix screen using cable lugs. Do not use as a strain relief!
l
To improve the screen connection: Connect screen additionally at
the stud next to the power connections.
Proposal for mains connection
l
Connect the mains cables to the screw terminals L1, L2, L3.
l
Connect cables for brake unit (935X), supply module (934X) or further controllers in the DC
bus connection to the screw terminals +UG, -UG at the top of the controller.
l
Max. permissible cable cross-sections and tightening torques:
Type Type
Max. permissible
vable cross-sections
9321 - 9326 4 mm
9327 - 9329 25 mm
9330 - 9331 95 mm
9332 120 mm
1)
with pin-end connector:
with wire crimp cap
2)
with ring cable lug
Preparations for the power connection
l
Remove the covers of the power connections:
– Unlatch to the front by gentle pressure.
– Pull upwards (mains connection) or downwards (motor connection).
l
Remove cover:
– Loosen screws (X) (see Fig. 4-1).
– Swing cover to the top and detach.
– Take the accessory kit out of the interior of the controller.
Types 9327 to 9332
+UG -UG
PE
Correct screen connection with screened cables:
l
ó
.
l
L1, L2, L3, + UG, -UG
2 1)
0.5 ... 0.6 Nm (4.4 ... 5.3 lbin)
2 2)
2 2)
2 2)
2
6 mm
2
4 mm
The cross-section is only limited by the cable cut-out in the housing.
SHB9300CRV EN 2.0
Installation
+UG L1 L2 L3
PE
Connect the screen with suitable clamp on the conducting control
cabinet mounting plate.
To improve the screen connection: Connect screen additionally at
the stud next to the power connections.
Terminals
4 Nm (35 lbin)
7 Nm (62 lbin)
12 Nm (106.2 lbin)
-UG
PE connection
3.4 Nm (30 lbin)
4-13