Siemens Sinumerik 840D sl Function Manual page 194

Connecting Sensors/Actuators
7.1 Safety- -relevant input/output signals
Table 7-1 Minimum SGE/SGA required
Function Minimum SGEs required
Safe operating SBH/SG deselection
stop (SBH) Test stop selection (drive)
External stops
if gearbox stages are being used
Gear ratio selection, bit 2 (only if it is necessary to
select the ratio)
Gear ratio selection, bit 1 (only if it is necessary to
select the ratio)
Gear ratio selection, bit 0 (only if it is necessary to
select the ratio)
Safely reduced SBH/SG deselection
speed (SG) SBH deselection
SG selection, bit 1 (only for SG changeover)
SG selection, bit 0 (only for SG changeover)
Test stop selection (drive)
External stops
if gearbox stages are being used
Gear ratio selection, bit 2 (only if it is necessary to
select the ratio)
Gear ratio selection, bit 1 (only if it is necessary to
select the ratio)
Gear ratio selection, bit 0 (only if it is necessary to
select the ratio)
Safe software SE selection (only for SE changeover)
limit switches Test stop selection (drive)
(SE) SBH/SG deselection (at least for test during
commissioning [start--up])
External stops
Safe software Test stop selection (drive)
cams (SN) SBH/SG deselection
(at least for test during commissioning [start--up])
External stops
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SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition
Minimum SGAs required
SBH/SG active
Status, pulses cancelled
(drive)
STOP A/B, C, D, E active
(only if required)
SBH/SG active
Status, pulses cancelled
(drive)
STOP A/B, C, D, E active
(only where required)
active SG stage, bits 0, 1 active SG stage, bits 0, 1
(only where required)
SBH/SG active
Axis safely referenced
Status, pulses cancelled
(drive)
STOP A/B, C, D, E active
(only where required)
SBH/SG active
STOP A/B, C, D, E active
(only where required)
Axis safely referenced
SN1--, SN2--, ..., SN30--
(only where required)
SN1+, SN2+, ..., SN30+
(only where required)
Status, pulses cancelled
(drive)
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10/15