74 Guidelines for planning the electrical installation
Switching the motor power supply from direct-on-line to drive
1. Stop the motor with S42.
2. Switch the motor power supply from direct-on-line to the drive with S40.
3. Close the main contactor of the drive with switch S11 (-> turn to position ST for two
seconds and leave to position 1).
4. Start the drive and the motor with the drive control panel (drive in the local control
mode) or the external start signal (drive in the remote control mode).
Protecting the contacts of relay outputs
Inductive loads (relays, contactors, motors) cause voltage transients when switched off.
The relay contacts on the drive control unit are protected with varistors (250 V) against
overvoltage peaks. In spite of this, it is highly recommended that inductive loads are
equipped with noise attenuating circuits (varistors, RC filters [AC] or diodes [DC]) in order
to minimize the EMC emission at switch-off. If not suppressed, the disturbances may
connect capacitively or inductively to other conductors in the control cable and form a risk
of malfunction in other parts of the system.
Install the protective component as close to the inductive load as possible. Do not install
protective components at the relay outputs.
1) Relay outputs; 2) Varistor; 3) RC filter; 4) diode
230 V AC
230 V AC
+ 24 V DC
-
1
2
3
4
Содержание ACS880-07XT Series
Страница 1: ...ABB industrial drives Hardware manual ACS880 07XT drives 400 to 1200 kW ...
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Страница 20: ...20 Safety instructions ...
Страница 26: ...26 Introduction to the manual ...
Страница 47: ...Mechanical installation 47 Moving the crate with a forklift Free width for fork tines 750 mm 29 5 ...
Страница 54: ...54 Mechanical installation ...
Страница 89: ...Electrical installation 89 PE 11 8 4 9 11 ...
Страница 94: ...94 Electrical installation ...
Страница 110: ...110 Start up Test and validate the operation of Prevention of unexpected start with FSO xx option Q950 Action ...
Страница 112: ...112 Fault tracing ...
Страница 123: ...Maintenance 123 5 6 7 ...
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Страница 127: ...Maintenance 127 9 8 7 ...
Страница 128: ...128 Maintenance 12 11 10 ...
Страница 149: ...Dimensions 149 Dimension drawing examples Frame 2 R11 R10 with brake chopper ...
Страница 150: ...150 Dimensions Frame 2 R11 R10 without brake chopper ...
Страница 153: ...Dimensions 153 Location of input terminals ACS880 07XT 12 pulse ...
Страница 154: ...154 Dimensions Location of output terminals ACS880 07XT R10 with du dt ...
Страница 155: ...Dimensions 155 Location of output terminals ACS880 07XT R10 without du dt ...
Страница 156: ...156 Dimensions Location of output terminals ACS880 07XT R11 with du dt ...
Страница 157: ...Dimensions 157 Location of output terminals ACS880 07XT R11 without du dt ...
Страница 158: ...158 Dimensions Location of PE terminals ACS880 07XT ...
Страница 159: ...Dimensions 159 Location of resistor terminals ACS880 07XT R10 ...
Страница 160: ...160 Dimensions Location of resistor terminals ACS880 07XT R11 ...
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