4 Data Descriptions 11.03
4.1 Machine data
© Siemens AG 2003 All Rights Reserved
4-234 SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
s = 0 Local outputs on the NCU
s = 1 I/Os on the 611 digital bus
s = 4 System variable assignment, internal image in the
system memory
36980
MD number
$MA_SAFE_SVSS_STATUS_OUTPUT
Output assignment, SBH/SG active
840D
Default: 0 Min. input value: 0 Max. input value: -
Change becomes effective after POWER ON: Protection level (R/W) 7/2 Unit: -
Data type: DWORD Applies from SW 3.4
Meaning Assignment of the output for signaling the status of the safely-reduced speed or safe
operating stop function.
Signal means
= 0 SG and SBH are not active
(only if STOP C, D or E has not been activated by other functions)
= 1 SG or SBH is active
Special cases, errors
• Input value of 0 means:
There is no assignment, the output remains unaffected by status changes
• Input value of 80 00 00 00 means:
There is no assignment, the output remains at 1
•
If a single output signal is connected to a terminal, the following applies:
If MD bit 31 is set, then the signal is processed inverted (ss = 81)
• If several output signals are connected to the same terminal, the following applies:
If MD bit 31 is set (ss = 81), the relevant signal is initially inverted. The (in some
cases inverted) output signals are then ANDed and the result output at the terminal.
References /FB/, A4, Digital and analog NCK I/Os
36981
MD number
$MA_SAFE_SS_STATUS_OUTPUT
Output assignment, SBH active
840D
Default: 0 Min. input value: 0 Max. input value: -
Change becomes effective after POWER ON: Protection level (R/W) 7/2 Unit: -
Data type: DWORD Applies from SW 4.2
Meaning This data determines the output or system variable for the "SBH active" signal.
Structure: Refer to coding of output assignment
Signal means
= 0 SBH is not active
= 1 SBH is active
Special cases, errors
• If a single output signal is connected to a terminal, the following applies:
If MD bit 31 is set, then the signal is processed inverted (ss = 81)
• If several output signals are connected to the same terminal, the following applies:
If MD bit 31 is set (ss = 81), the relevant signal is initially inverted.
The (in some cases inverted) output signals are then ANDed and the result output at
the terminal.
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