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© Siemens plc 1999
© Siemens plc 1999
G85139-H1751-U529-D1
G85139-H1751-U529-D1
19
19
4/8/99
4/8/99
5.
5. Ensure that the power source
Ensure that the power source supplies the correct voltage
supplies the correct voltage and is designed for the nec
and is designed for the necessary current.
essary current.
Ensure that the appropriate circuit-breakers with the specified current rating are connected between the
Ensure that the appropriate circuit-breakers with the specified current rating are connected between the
power supply and inverter see section 8.
power supply and inverter see section 8.
6.
6. For the power
For the power input, use a
input, use a 3-core cable for
3-core cable for single phase uni
single phase units or a 4-core
ts or a 4-core cable for three
cable for three phase units. For
phase units. For
the cross-section of each core see section 8.
the cross-section of each core see section 8.
7.
7. Use
Use a 4-core
a 4-core screened cable
screened cable to connect
to connect the motor.
the motor.
8.
8. Carefully measure
Carefully measure and cut the
and cut the cable leads
cable leads for power c
for power connections, motor connec
onnections, motor connections and braki
tions and braking resistor
ng resistor
connections (if required) before feeding the screened cables through the glands in the metal gland plate
connections (if required) before feeding the screened cables through the glands in the metal gland plate
provided (see Figure 2.2.2) and securing the glands.
provided (see Figure 2.2.2) and securing the glands.
9.
9. Carefully measure and
Carefully measure and cut the cable
cut the cable leads for the
leads for the control connections
control connections (if required). Feed the
(if required). Feed the control cable
control cable
through the correct gland (see Figure 2.2.2) and secure the gland to the metal gland-plate.
through the correct gland (see Figure 2.2.2) and secure the gland to the metal gland-plate.
10.
10. Carefully feed the power and control leads through the correct holes in the inverter housing.
Carefully feed the power and control leads through the correct holes in the inverter housing.
11.
11. Secure the metal gland plate to the underside of the inverter. Fit
Secure the metal gland plate to the underside of the inverter. Fit and tighten the earth securing screw.
and tighten the earth securing screw.
12. Connect the power input leads to the power terminals L/L1 - N/L2 (1 phase) or L/L1, N/L2, L3 (3 phase),
12. Connect the power input leads to the power terminals L/L1 - N/L2 (1 phase) or L/L1, N/L2, L3 (3 phase),
and earth (PE) shown in Figure 2.2.1 and torque down the screws.
and earth (PE) shown in Figure 2.2.1 and torque down the screws.
13. Connect the motor leads to the motor terminals U, V, W and the earth (PE) (
13. Connect the motor leads to the motor terminals U, V, W and the earth (PE) (
shown in Figure 2.2.1)
shown in Figure 2.2.1)
and
and
torque down the screws.
torque down the screws.
Note:
Note:
For operation with cables longer than 25m see section 1.3.4
For operation with cables longer than 25m see section 1.3.4
14. If required, secure Faston connectors to the braking resistor leads and fit the connectors to the B+/DC+
14. If required, secure Faston connectors to the braking resistor leads and fit the connectors to the B+/DC+
and B- terminals under the inverter.
and B- terminals under the inverter.
15.
15. Connect the control leads as shown in Figures 2.2.4 and 2.2.6.
Connect the control leads as shown in Figures 2.2.4 and 2.2.6.
