11.03 4 Data Descriptions
4.1 Machine data
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
4-233
36979
MD number
$MA_SAFE_STOP_REQUEST_EXT_INPUT
Assignment of input terminals for selecting the "test stop external shutdown"
840D
Default: 0 Min. input value: 0 Max. input value: 0x811E0810
Change becomes effective after RESTART Protection level (R/W) 7/2 Unit: -
Data type: DWORD Applies from SW 6.3
Meaning This MD must be parameterized as soon as the internal pulse cancellation is used (bit 30
in $MA_SAFE_PULSE_ENABLE_OUTPUT=1)
Structure: Refer to coding of input assignment
With each machine data of this kind, a single I/O bit is connected to a terminal or a system
variable. Otherwise, the structure of the machine data is as for 36970 and onwards.
Special cases, errors
References
Description of the parameterization of the SGA machine data MD 36980 to
MD 36990
Structure of the output assignment SBH/SG de-selection
is mm xx nn Perm. values Explanation
i Inversion 0, 8 0: No inversion
8: Inversion before
processing
s Segment No. 1, 4 1: I/Os on 611 digital bus
(terminal)
4: Internal image in system
memory (system variable)
Further parameterization if one terminal is assigned (s = 1).
mm Module No. 01-1F Number of the logical
slot in which the
terminal block with
external I/Os is inserted
(drive number)
xx Submodule No. 01-08 Slot number of the sub-
module inside the
I/O module
nn I/O No. 01-10 Bit number (input/output-
number on the submodule
Further parameterization if a system variable is assigned (s = 4).
mm Module No. 01-02 01: Addressing internal
SPL interface $A_OUTSI or
$A_INSI
02: Addressing of external
SPL interface (only for input
signals, $A_INSE)
xx Submodule No. 01-02 Index of system variable word
(per 32 bits)
nn I/O No. 01-20 Bit number in system variable
word $A_OUTSID[xx],
$A_INSID[xx], $A_INSED[xx]
Additional parameterization for local outputs on the NCU (from SW 6.3.21):
Coding of the output
assignment
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