
Distributed Use of SIMATIC FS600 Laser Scanner in
Category 3 / SIL 2
Entry ID: 21330889
A&D Safety Integrated Page 33/51 AS-FE-I-010-V20-EN
Copyright © Siemens AG 2007 All rights reserved
21330889_as_fe_i_010_v20_en_lscanner.doc
Settings of the fail-safe DO (F-DO)
The settings are displayed after double-clicking “4 F-DO DC24V/2A”
(Overview picture).
Screenshot Note
Parameters / F parameters:
DIP switch setting (9…0)
This value has to be set on the F module
(F-DO).
F-monitoring time (ms)
The F-monitoring time must be larger
than the call time of OB35.
Parameters / Module parameters:
Assignment of channels:
DO channel 0:
Channel 0 switches the indicator light
Parameterization of the channels:
Behavior after channel faults
The entire F module is passivated in the
event of a channel fault.
Activated
Used channels are activated, unused
channels are deactivated.
Read-back time
The read-back time defines the duration
of the switch-off procedure for the
channel. If the channel switches high
capacity loads the read-back time should
be set sufficiently. We recommend
setting the read back time as small as
possible, however large enough so that
the channel does not become passive.
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