Siemens SINUMERIK 840D sl Function Manual page 109

03.06
v
SGn
vact
SGE "SBH de–selection"
SGn is active
Fig. 6-3
De-selecting SBH
Safe operating stop can be de-selected using SGE "SBH/SG de-selection" (= "1"
signal); this results in a general de-activation of SBH and SG. The SBH function is
also de-selected when the SG function is selected using the SGE "SBH de-selec-
tion".
Note
The delay time must be selected as a function of the distance to the hazardous
location. The speeds to be taken into account in this respect are stipulated in
Standard DIN EN 999.
Configuring NCK-SGAs
The NCK-SGA "SBH active" is configured using the following machine data:
with 840D sl
MD 36981: $MA_SAFE_SS_STATUS_OUTPUT
Configuring NCK-SGEs
with 840D sl
MD 36971: $MA_SAFE_SS_DISABLE_INPUT
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 03.2006 Edition
a)
Braking time
Timer running
Timing when SBH is selected from SG
Safety Functions Integrated in the System/Drive
6.2 Safe operating stop (SBH)
a) Braking is initiated
Delay time,
speed changeover
SBH is active
t
6-109