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Using a safety switch between the drive and the motor
ABB recommends to install a safety switch between the permanent magnet motor
and the drive output. The switch is needed to isolate the motor from the drive during
maintenance work on the drive.
Implementing an ATEX-certified motor thermal protection
With Q971, the drive provides ATEX-certified safe motor disconnection without
contactor using the drive Safe torque off function. To implement the thermal protection
of a motor in explosive atmosphere (Ex motor), you must also:
•
use an ATEX-certified Ex motor
•
order an ATEX-certified thermistor protection module for the drive (L537),
or acquire and install an ATEX-compliant protection relay
•
do the necessary connections.
For more information, see:
Manual code
(English)
User's manual
CPTC-02 ATEX-certified thermistor protection module, Ex II (2) GD (option
+L537+Q971) user's manual
Controlling a contactor between drive and motor
The control of the output contactor depends on how you use the drive, that is, which
motor control mode and which motor stop mode you select.
If you have the vector control mode and motor ramp stop selected, open the contactor
as follows:
1.
Give a stop command to the drive.
2.
Wait until the drive decelerates the motor to zero speed.
3.
Open the contactor.
If you have the vector control mode and motor coast stop selected, or scalar control
mode selected, open the contactor as follows:
1.
Give a stop command to the drive.
2.
Open the contactor.
WARNING!
When the vector control mode is in use, never open the output contactor while
the drive controls the motor. The vector control operates extremely fast, much
faster than it takes for the contactor to open its contacts. When the contactor
starts opening while the drive controls the motor, the vector control will try to
maintain the load current by immediately increasing the drive output voltage
to the maximum. This will damage, or even burn, the contactor completely.
Guidelines for planning the electrical installation 95
Содержание ACS580-04
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Страница 69: ...2 1 Tapping screw M6 12 Torx T30 Hex 9 N m 6 6 lbf ft Mechanical installation 69 10 ...
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Страница 128: ...2 7a 7b 5 3 3 7a 7b 8a 8b 8b 4 128 Installation example with full cabling panels option H381 ...
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Страница 157: ...External control unit option P906 157 ...
Страница 158: ...Dimension drawing The dimensions are in millimeters and inches 158 External control unit option P906 ...
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Страница 200: ...R10 standard configuration 200 Dimension drawings ...
Страница 201: ...R10 with options E208 0H354 H356 H370 0H371 Dimension drawings 201 ...
Страница 202: ...R10 with option B051 202 Dimension drawings ...
Страница 203: ...R10 with options E208 H356 P906 Dimension drawings 203 ...
Страница 204: ...R10 with options E208 0H371 H356 0H354 H370 P906 204 Dimension drawings ...
Страница 205: ...R10 with options B051 P906 Dimension drawings 205 ...
Страница 207: ...R10 Cabling panels H381 installed into a Rittal VX25 enclosure 3AXD50000439317 Dimension drawings 207 ...
Страница 208: ...R11 standard configuration 208 Dimension drawings ...
Страница 209: ...R11 with options E208 0H371 H356 0H354 H370 Dimension drawings 209 ...
Страница 210: ...R11 with option B051 210 Dimension drawings ...
Страница 211: ...R11 with options E208 H356 P906 Dimension drawings 211 ...
Страница 212: ...R11 with options E208 0H371 H356 0H354 H370 P906 212 Dimension drawings ...
Страница 213: ...R11 with options B051 P906 Dimension drawings 213 ...
Страница 215: ...R11 Cabling panels H381 installed into a Rittal VX25 enclosure 3AXD50000438938 Dimension drawings 215 ...
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Страница 254: ...Dimension drawings The dimensions are in millimeters 254 CAIO 01 bipolar analog I O adapter module ...
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Страница 265: ...CHDI 01 115 230 V digital input extension module 265 ...
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Страница 272: ...272 CMOD 01 multifunction extension module external 24 V AC DC and digital I O ...
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