Siemens 1FK6 Instrucciones De Servicio página 205

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08.2008
X6 - Braking resistor
and pre-charging of
the capacitor module
CAUTION
DANGER
NOTICE
Siemens AG
6SE7087-8JP50
SIMOVERT MASTERDRIVES
The connection for the external braking resistor and the pre-charging of
the capacitor module is provided on the top of the unit.
Terminal
H
G
Connectable cross-section: 4 mm² (AWG 10)
Terminal C' is at the front when installed.
Table 7-8
Connection of the braking resistor and pre-charging of the capacitor
module
The connector has to be screwed firmly to the housing (providing
resistance to vibration and protecting against being inadvertently
withdrawn).
♦ During operation, the full DC link voltage is always present at the
terminals for pre-charging the capacitor module.
♦ During pre-charging, the charging current of all connected capacitor
modules flows via the terminals.
♦ For reasons of protection, cables with 4 mm
connection X6!
Length of connecting cable between converter and external brake
resistor < 15 m.
Operating Instructions
Meaning
Pre-charging for capacitor module
Braking resistor
Braking resistor
Pre-charging for capacitor module
2
Connecting-up
Cu should be used at
7-9

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