Efficient Networks S120 manual Acknowledgement of faults, Fast DC link discharge booksize

Models: S120

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Function modules 7.5 Braking Module

Acknowledgement of faults

When the Braking Module issues a fault message at binector input p3866, an attempt is made to acknowledge the fault using signal p3861 at terminal X21.1 Booksize or X41.3 Chassis every 10 ms. Alarm A06900 is simultaneously is output.

Fast DC link discharge (booksize)

It is only possible to quickly discharge the DC link via the Braking Module for the booksize design. It is activated via binector input p3863 and started after the line contactor opens and the adjustable delay time (p3862) has expired. The fast discharge is completed when the line contactor contact closes.

NOTICE

Prerequisites for a fast DC link discharge is the use of a line contactor with feedback signal (p0860) that is controlled via r0863.1.

Overview of key parameters (see SINAMICS S List Manual)

r0108.26 Drive object function module - Braking Module

p3860 Braking Module number of modules connected in parallel

r3861 BO: Inhibit Braking Module

p3862 Braking Module DC link fast discharge delay time

p3863 BI: Braking Module activate DC link fast discharge

p3864 BO: Braking Module DC link fast discharge

p3865 Bi: Braking Module pre-alarm I*t shutdown

p3866 BI: Braking Module fault

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Drive Functions

Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4

Page 232
Image 232
Efficient Networks S120 manual Acknowledgement of faults, Fast DC link discharge booksize