Siemens 411 用户手册
2 Installation
Issue 03/01
MICROMASTER 411 & COMBIMASTER 411 Operating Instructions
34
6SE6400-5CA00-0BP0
2.5.2
Line and Motor Connections
WARNING
This equipment must be grounded.
This equipment must be grounded.
♦
Isolate the electrical power supply before making or changing connections to
the unit.
the unit.
♦
MICROMASTERS must not be connected to a higher voltage supply.
♦
Ensure that the motor is configured for the correct supply voltage 380 V to
480 V three-phase supply.
480 V three-phase supply.
♦
When synchronous motors are connected or when coupling several motors in
parallel, the inverter must be operated with voltage/frequency control
characteristic (P1300 = 0, 2 or 3).
parallel, the inverter must be operated with voltage/frequency control
characteristic (P1300 = 0, 2 or 3).
CAUTION
After connecting the power and motor cables to the proper terminals, make sure
that the cover has been replaced properly before supplying power to the unit!
After connecting the power and motor cables to the proper terminals, make sure
that the cover has been replaced properly before supplying power to the unit!
NOTICE
♦
Ensure that the appropriate circuit-breakers/fuses with the specified current
rating are connected between the power supply and inverter (see Section
7.5).
rating are connected between the power supply and inverter (see Section
7.5).
♦
Use Class 1 75
o
C copper wire only. For tightening torque see Section 7.3.
♦
To tighten up the power terminal screws use either a 4-5 mm flat bladed
screwdriver or a 2pt Pozidrive Head screwdriver.
screwdriver or a 2pt Pozidrive Head screwdriver.
Access to the power and motor terminals
The procedure for accessing the power and motor terminals on the
COMBIMASTER 411 & MICROMASTER 411 Inverter is illustrated in Figure 2-10.
COMBIMASTER 411 & MICROMASTER 411 Inverter is illustrated in Figure 2-10.