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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
2
3
230 V AC
+ 24 V DC
4
230 V AC
Relay outputs
1
Varistor
2
RC filter
3
diode
4
Connecting a motor temperature sensor to the drive I/O
WARNING!
IEC 60664 requires double or reinforced insulation between live parts and the
surface of accessible parts of electrical equipment which are either non-conductive
or conductive but not connected to the protective earth.
To connect a motor temperature sensor and other similar components to the drive, you
have four alternatives:
1.
You can connect the sensor directly to the inputs of the drive if there is double or
reinforced insulation between the sensor and the live parts of the motor.
2.
If there is no double or reinforced insulation between the sensor and the live parts of
the motor, you can connect the sensor to the inputs of the drive only if all circuits
92 Guidelines for planning the electrical installation
Содержание ACS880-07
Страница 1: ...ABB industrial drives Hardware manual ACS880 07 drives 560 to 2800 kW ...
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Страница 112: ...Electrical installation 109 5 6 4 3 112 Electrical installation ...
Страница 113: ...110 Electrical installation 7 8 8 Electrical installation 113 ...
Страница 114: ...Electrical installation 111 9 10 114 Electrical installation ...
Страница 116: ...Electrical installation 113 4 5 3 6 7 116 Electrical installation ...
Страница 118: ...2 11 b PE 10 7 5 6 8 a 360 grounding detail 118 Electrical installation ...
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Страница 159: ...12 Install and tighten the two M4 12 T20 screws 10 11 12 Maintenance 159 ...
Страница 162: ...6 6a 6a 6b 7a 7b 7 8 8a 8b 162 Maintenance ...
Страница 166: ...166 Maintenance 6 6 7 8 7 166 Maintenance ...
Страница 173: ...6 Reinstall the cover removed earlier and close the cubicle door 4 4 D7T D8T Maintenance 173 ...
Страница 213: ... Dimension drawing examples Frame 2 D7T 2 R8i 12 pulse A004 Dimensions 213 ...
Страница 214: ...Frame 1 D8T 2 R8i IP22 214 Dimensions ...
Страница 215: ...Frame 1 D8T 2 R8i IP54 B055 Dimensions 215 ...
Страница 216: ...Frame 1 D8T 2 R8i with common motor terminal cubicle H359 1 2 216 Dimensions ...
Страница 217: ...Frame 1 D8T 2 R8i with common motor terminal cubicle H359 2 2 Dimensions 217 ...
Страница 218: ...Frame 1 D8T 2 R8i with brake choppers and resistors D150 D151 1 2 218 Dimensions ...
Страница 219: ...Frame 1 D8T 2 R8i with brake choppers and resistors D150 D151 2 2 Dimensions 219 ...
Страница 220: ...Frame 1 D8T 2 R8i with sine output filter E206 1 2 220 Dimensions ...
Страница 221: ...Frame 1 D8T 2 R8i with sine output filter E206 2 2 Dimensions 221 ...
Страница 222: ...Frame 2 D8T 2 R8i 12 pulse A004 with grounding switch F259 222 Dimensions ...
Страница 223: ...Frame 2 D8T 3 R8i 1 2 Dimensions 223 ...
Страница 224: ...Frame 2 D8T 3 R8i 2 2 224 Dimensions ...
Страница 225: ...Frame 2 D8T 3 R8i with common motor terminal cubicle H359 1 2 Dimensions 225 ...
Страница 226: ...Frame 2 D8T 3 R8i with common motor terminal cubicle H359 2 2 226 Dimensions ...
Страница 227: ...Frame 2 D8T 3 R8i with top entry top exit H351 H353 1 2 Dimensions 227 ...
Страница 228: ...Frame 2 D8T 3 R8i with top entry top exit 2 2 228 Dimensions ...
Страница 229: ...Frame 3 D8T 4 R8i 1 2 Dimensions 229 ...
Страница 230: ...Frame 3 D8T 4 R8i 2 2 230 Dimensions ...
Страница 231: ...Frame 3 D8T 4 R8i with common motor terminal cubicle H359 1 2 Dimensions 231 ...
Страница 232: ...Frame 3 D8T 4 R8i with common motor terminal cubicle H359 2 2 232 Dimensions ...
Страница 233: ...Frame 3 D8T 4 R8i with top entry top exit H351 H353 1 2 Dimensions 233 ...
Страница 234: ...Frame 3 D8T 4 R8i with top entry top exit H351 H353 2 2 234 Dimensions ...
Страница 235: ...Frame 4 D8T 5 R8i 6 pulse with top entry exit UL Listed C129 1 2 Dimensions 235 ...
Страница 236: ...Frame 4 D8T 5 R8i 6 pulse with top entry exit UL Listed C129 2 2 236 Dimensions ...
Страница 237: ... Dimensions of empty cubicles options C199 C200 C201 IP22 IP42 Dimensions 237 ...
Страница 238: ...IP54 238 Dimensions ...
Страница 242: ... 600 mm with main breaker bottom cable entry 600 mm with main breaker top cable entry 242 Dimensions ...
Страница 243: ... 1000 mm UL CSA top cable entry Dimensions 243 ...
Страница 244: ... 1000 mm UL CSA bottom cable entry 244 Dimensions ...
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Страница 274: ...Contact us www abb com drives www abb com drivespartners 3AUA0000143261 E EN EFFECTIVE 2017 06 05 3AUA0000143261E ...