Start-up 03.2004
6SE7087-7CX87-2DA0 Siemens AG
6-2 Unité de Freinage / Braking Unit SIMOVERT MASTERDRIVES
The voltage limit switch is located behind the front cover.
Braking Unit Rated Voltage Voltage Limit Switch position
6SE70__-_C.87-2DA0 208 V to 230 V 387 V fixed, cannot be
changed
6SE70__-_E.87-2DA0 380 V to 460 V
380 V to 400 V
774 V (factory setting)
673 V
1
2
1
2
6SE70__-_F.87-2DA0 500 V to 575 V
500 V
967 V (factory setting)
841 V
1
2
1
2
6SE70__-_H.87-2DA0
660 V to 690 V
660 V
1158 V (factory setting)
1070 V
1
2
1
2
Table 6-1 Setting of the voltage limit switch
Set parameters on converter: (see section headed "Parameterization"
in operating manual for SIMOVERT MASTERDRIVES)
♦ P515, Vdmax controller, set parameter value to "0".
♦ If the braking unit is to report a fault to the SIMOVERT
MASTERDRIVES, "Ext Fault 2" must be used ;
e.g. P586 "Src No ext Fault 2"external 2" = 10...22
(binary inputs 1 to 7).
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