Connecting The Ue 2Xx Compact Inverter; Power Supplies - HEIDENHAIN TNC 410 M Technical Manual

5.3 Connecting the UE 2xx Compact Inverter

5.3.1 Power Supplies

X3: Supply voltage
for dc-link
5 – 42
Danger
Danger of electrical shock!
The compact inverters may be opened only by HEIDENHAIN service
engineers.
Do not engage or disengage any terminals while they are under power.
With a power supply of 400 V, the inverter voltage U
Power supply for a defined setup speed:
U : Power supply for setup speed
SP
U : Rated voltage of motor
NM
n : Setup speed
S
n : Rated speed of motor
NM
For power connection, see page 4 – 31.
Connecting UE 210, UE 212
terminals
L1 400 V~ ± 10%
50 Hz to 60 Hz
L2
L3
Cable / single conductor
(HT wire):
Wire cross section: 6 mm
(AWG 10)
Line fuse:
35 A (gR) Siemens Sitor
type
Grounding terminal:
≥ 10 mm
Tightening torque 0.7 Nm
for connecting (6.5 – 7 lbs/in)
terminals:
Note
If the power supply is other than 400 V, an autotransformer is required. It
must comply at least with the connection specifications of the subsequent
compact inverter.
HEIDENHAIN Technical Manual for Inverter Systems and Motors
⋅
U n
⎛
NM S
--------------------- -
U
=
⎝
SP
⋅
n 3
NM
2
(AWG 6)
is 565 V–.
Z
⎞
⋅
2
⎠
UE 230, UE 240, UE 242
400 V~ ± 10%
50 Hz to 60 Hz
Cable / single conductor
(HT wire):
2
Wire cross section: 10
2
mm (AWG 6)
Line fuse:
50 A (gR) Siemens Sitor
type
Grounding terminal:
2
≥ 10 mm
(AWG 6)
2.0 – 2.3 Nm
(18 – 20.5 lbs/in)