4 Data Descriptions
11.03
4.3 Interface signals
© Siemens AG 2003 All Rights Reserved
4-256
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
109
Cam signals of plus and minus cams
SN4 -
SN4 +
SN3 -
SN3 +
SN2 -
SN2 +
SN1 -
SN1 +
SGA (signals from drive)
110
Reserved
Reserved
n < n
x
SG active (from SW4.2)
SBH active
(from
SW4.2)
Bit 1
Bit 0
Reserved
(from
SW4.2)
Reserved
111 STOP_C
active
STOP_D
active
STOP_C
active
STOP_A/B
active
Reserved Reserved Reserved Reserved
Note:
DB 31 / 32 / 33 ... contains the interface signals for axis/spindle 1 / 2 / 3 ...
4.3.2
Description of the interface signals
Description of the signals sent to the monitoring channel
These signals are used to select/deselect the SBH and SG functions.
Table 4-4
Selection/de-selection of SBH and SG
SGE
SBH/SG
de-selection
SBH
de-selection
Meaning
= 1
x
SBH and SG are deselected
= 0
= 0
SBH is selected
(refer to Chapter 3, "Safe operating stop (SBH)")
= 0
= 1
SG is selected
x: Signal state optional
This signal provides the NC monitoring channel with feedback as to whether
the pulses were cancelled during the test stop.
By combining these signals, it is possible to select the speed limit value for
SG1, 2, 3 or 4 when the SG function is activated.
Tabelle 4-5
Selection of speed limit values for SG
SGE
SG selection
Bit 1
SG selection
Bit 0
Meaning
= 0
= 0
Speed limit value for SG1 is selected
= 0
= 1
Speed limit value for SG2 is selected
= 1
= 0
Speed limit value for SG3 is selected
= 1
= 1
Speed limit value for SG4 is selected
SGE
SBH/SG de-selection
SBH de-selection
SGE
status pulses
cancelled
(only for an axis)
SGE
SG selection, bits 1, 0