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05.01
Standby operation of the infeed:
If an infeed module is to be kept in the ready state for a longer period of time
(DC link charged), then in order to avoid unnecessary switching losses and
reactor losses, a pulse inhibit should be enabled! The DC link voltage then re-
mains at the non–regulated value and is again ready in the regulated mode im-
mediately after the pulses have been enabled.
Terminal 64
Drive Enable
The drive modules are enabled using terminal 64. The modules are simulta-
neously enabled or inhibited after approx. 1 ms.
If terminal 64 is inhibited, then n
follows:
S
© Siemens AG 2012 All Rights Reserved
SIMODRIVE 611 Configuration Manual (PJU) – 02/2012 Edition
set
For 611D/611 universal/ANA/HLA drives, the pulses are cancelled after a
selectable speed has been undershot or after a selectable timer stage has
expired. The axes brake along the selected limits (MD 1230, 1235, 1238).
For spindles, a ramp can only be achieved using regenerative limiting
(MD 1237).
6 Infeed Modules
6.2 Interface overview
=0 is set for all drives and the axes brake as
6
6-155
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