Siemens SINUMERIK 840D Description Of Functions page 379

11.03
7.3.4 Connecting-up the drives
Description 1st alternative
On the NCK side, terminals 663 and AS1/AS2 are supplied via inputs and
outputs that are allocated to the SPL via machine data (MD10390/ MD10392).
These inputs and outputs are monitored by the crosswise data comparison. To
avoid undesirable crosswise data comparison errors, the behavior of the NCK
must be emulated on the DB18 on the PLC side.
Power can be supplied to terminal AS1 either from terminal 9 or an external
+24 V power supply, depending on the cabinet configuration.
Fig. 7-5
Description The NCK SPL contains a copy procedure from the safe output signal pulse
enable (SGA -> INSI) to an output (OUTSE -> terminal 663) and from an input
(terminal AS1/AS2 -> INSE) to the safe input signal (OUTSI -> SGE) "pulses
safely cancelled". INSI/OUTSI system variables are assigned to the SGE/SGA
using axis-specific machine data and is listed in Chapter 7, "Variable
declaration".
Program NCK-SPL program excerpt
;
; --------------------------------------------------------
; ------------- Supply, terminals AS1/AS2 and 663 --------
; --------------------------------------------------------
;
;
N420 IDS=58
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
SIMODRIVE 611D
Double axis module
Axis X, axis Z
663 AS2 AS1
+24V
NCK
Q3
Q4
Circuit diagram
DO STAT_IMP_XZ = KL_AS12_XZ
7 Configuring example
7.3 Safety Integrated with SPL
SIMODRIVE 611D
Single axis module
Spindle C
9 663 AS2 AS1 9
STAT_IMP_C =
NCK
I7
I8
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