Siemens SINUMERIK 840D Description Of Functions page 261

11.03
SGA: SBH active This signal indicates the status of safe operating stop (SBH) (refer to Chapter 3,
"Safe operating stop (SBH)").
(840D, from SW 4.2)
1 signal:
0 signal:
SGA This signal indicates that STOP A/B is active.
The signal must be used for the forced checking procedure for external STOPs.
STOP A/B is active
0 signal:
(840D, from SW 4.4.18)
1 signal:
SGA This signal indicates that STOP C is active.
STOP C is active The signal must be used for the forced checking procedure for external STOPs.
(840D, from SW 4.4.18) 0 signal:
1 signal:
SGA This signal indicates that STOP D is active.
STOP D is active The signal must be used for the forced checking procedure for external STOPs.
0 signal:
(840D, from SW 4.4.18)
1 signal:
SGA This signal indicates that STOP E is active.
STOP E is active The signal must be used for the forced checking procedure for external STOPs.
(840D, from SW 6.4.15)
0 signal:
Otherwise:
SGA „n < n This SGA indicates whether the absolute value of the actual speed is above or
x
(840D from SW4.2) below a speed specified in the machine data.
1 signal:
0 signal:
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SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
SBH is active
SBH is not active
STOP A/B is not active
STOP A/B is active
STOP C is not active
STOP C is active
STOP D is not active
STOP D is active
STOP E is not active
STOP E is active
Actual speed is lower than the limit speed
Actual speed is greater or equal to the limit speed
4 Data Descriptions
4.3 Interface signals
4-261