Resistor braking
126
With Standard Application Program, wire the thermal switch as shown below. By
default, the drive will stop by coasting when the switch opens.
For other application programs, the thermal switch may be wired to a different digital
input. Programming of the input to trip the drive by “EXTERNAL FAULT” may be
needed. See the appropriate firmware manual.
Brake circuit commissioning
For Standard Application Program:
• Enable the brake chopper function (parameter 27.01).
• Switch off the overvoltage control of the drive (parameter 20.05).
• Check the resistance value setting (parameter 27.03).
• Frame sizes R6, R7 and R8: Check the setting of parameter 21.09. If stop by
coasting is required, select OFF2 STOP.
For the use of the brake resistor overload protection (parameters 27.02...27.05),
consult an ABB representative.
WARNING!
If the drive is equipped with a brake chopper but the chopper is not
enabled by parameter setting, the brake resistor must be disconnected because the
protection against resistor overheating is then not in use.
For settings of other application programs, see the appropriate firmware manual.
1
DI1
2
DI2
3
DI3
4
DI4
5
DI5
6
DI6
7
+24VD
8
+24VD
9
DGND1
10
DGND2
11
DIIL
Q
Thermal switch (standard
in ABB resistors)
RMIO:X22 or X2: X22
Summary of Contents for ACS800-02
Page 1: ...ACS800 Hardware Manual ACS800 02 Drives 45 to 500 kW ACS800 U2 Drives 60 to 600 HP ...
Page 4: ......
Page 10: ...Safety instructions 10 ...
Page 20: ...About this manual 20 ...
Page 26: ...The ACS800 02 U2 26 ...
Page 42: ...Planning the electrical installation 42 ...
Page 76: ...Installation checklist 76 ...
Page 106: ...Technical data 106 ...
Page 108: ...Dimensional drawings 108 Frame size R7 US gland conduit plate 64579746 H ...
Page 109: ...Dimensional drawings 109 Frame size R8 3AFE 64564161 D US gland conduit plate ...
Page 110: ...Dimensional drawings 110 Frame size R7 with enclosure extension bottom entry 64625942 1 2 B ...
Page 111: ...Dimensional drawings 111 64625942 2 2 C ...
Page 112: ...Dimensional drawings 112 Frame size R7 with enclosure extension top entry 64626264 1 2 C ...
Page 113: ...Dimensional drawings 113 64626264 2 2 C ...
Page 115: ...Dimensional drawings 115 3AFE 64626388 2 2 B ...
Page 116: ...Dimensional drawings 116 Frame size R8 with enclosure extension top entry 3AFE 64626370 1 2 C ...
Page 117: ...Dimensional drawings 117 3AFE 64626370 2 2 C ...
Page 118: ...Dimensional drawings 118 ...
Page 127: ......