Signals To Axis/Spindle (Db31 - Siemens SINUMERIK 840D sl Function Manual
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DB21, ...
DBX276.0 –
Machine-related protection zone 1 (...10) violated
DBX277.1
Edge evaluation: No
Signal state 1 or
The activated, machine-related protection zone 1 ( ...10) is violated in the current block or in the
edge change
current JOG movement.
0 → 1
The pre-activated, machine-related protection zone 1 ( ...10) would be violated in the current block if
it would be activated by the PLC.
Signal state 0
The activated, machine-related protection zone 1 (...10) is not violated in the current block.
or edge change
The pre-activated, machine-related protection zone 1 (...10) would not be violated in the current block
1 → 0
if it would be activated by the PLC.
Application exam‐
Before parts are moved into the working zone - this IS can be used to check as to whether the tool
ple(s)
or workpiece is located in the machine-related protection zone of the part to be moved in.
DB21, ...
DBX278.0 -
Channel-specific protection zone 1 (...10) violated
DBX279.1
Edge evaluation: No
Signal state 1 or
The activated, channel-specific protection zone 1 ( ...10) is violated in the current block.
edge change
The pre-activated, channel-specific protection zone 1 ( ...10) would be violated in the current block if
0 → 1
it would be activated by the PLC.
Signal state 0 or
The activated, channel-specific protection zone 1 ( ...10) is not violated in the current block.
edge change
The pre-activated, channel-specific protection zone 1 (...10) would not be violated in the current block
1 → 0
if it would be activated by the PLC.
Application exam‐
Before parts are moved into the working zone - this IS can be used to check whether the tool or
ple(s)
workpiece is located in the channel-specific protection zone of the part to be moved in.
19.2.3
Signals to axis/spindle (DB31, ...)
DB31, ...
DBX2.3
Clamping in progress
Edge evaluation: No
Signal state 1 or
Clamping in progress.
edge change
The clamping monitoring function is activated.
0 → 1
Signal state 0 or
Clamping completed.
edge change
The clamping monitoring function is replaced by the standstill (zero speed) monitoring.
1 → 0
Corresponding to ...
MD36050 $MA_CLAMP_POS_TOL (clamping tolerance)
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Signal(s) updated: Cyclically
Signal(s) updated: Cyclically
Signal(s) updated: Cyclically
Z1: NC/PLC interface signals
19.2 Axis monitoring, protection zones (A3)
1589
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