Siemens SINUMERIK 840D Description Of Functions

3 Safety-Related Functions 11.03
3.1 Basic mechanisms of SI functions
© Siemens AG 2003 All Rights Reserved
3-66 SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
E (NCK)
SGE
A (PLC)
(Initiation via
PLC user program)
A (PLC)
Test stop selection
Axis 1
Test stop selection
Axis 2
Test stop selection
Axis 3
Test stop selection
Axis 4
Enable pulses
Axis 1
Enable pulses
Axis 2
Enable pulses
Axis 3
Enable pulses
Axis 4
SGA
A (NCK)
Assignment
and linking of
machine data
Comparator
internal interface
Terminal 663
Axis 1, module 1
Terminal 663
Axis 2, module 2
Terminal 663
Axis 3, axis 4
module 3
E (NCK)
SGE
Pulses disabled status
Axis 1
Pulses disabled status
Axis 2
Pulses disabled status
Axis 3
Pulses disabled status
Axis 4
+24 V
AS1
AS1
AS1
AS2
AS2
AS2
External
circuitry
External
circuitry
External
circuitry
&
Terminals of
SIMODRIVE 611
drive modules
ZWDYN_05.DSF
Test stop
selection
Pulse
disabling via
terminal 663
Checkback
signals
AND-linking
via MDs
SGE assignment without SPL logic
DPR
variable
SGE
Test stop selection
Axis 1
Test stop selection
Axis 2
Test stop selection
Axis 3
Test stop selection
Axis 4
(Initiation via
PLC user program)
Assignment
and linking of
machine data
Comparator
SGE assignment with SPL logic
(reduced wiring effort)
Internal interface
M bzw. Bit (PLC)
SGE assigned via
OUTSI(P) variable
Dual Port RAM
or DB10
Test stop
selection
Fig. 3-6 Testing the shutdown paths (NCK monitoring channel) for several axes

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB