Detailed Description
2.2 Axis monitoring, protection zones (A3)
Basic logic functions: NC/PLC interface signals (Z1)
66 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
DB21, ...
DBX274.0 –
DBX275.1
Channelspecific protection zone 1 (...10) pre-activated
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
The channelspecific protection zone 1 ( ...10) is preactivated in the current block.
(Pre-activated in the part program).
The protection zone can therefore be activated or de-activated in the PLC user program using the
interface signal:
DB21, ... DBX10.0 - DBX11.1 channel-specific protection zone 1 (...10))
Signal state 0 or
edge change
1 → 0
The channelspecific protection zone 1 ( ...10) is deactivated in the current block.
(De-activated in the part program.)
The protection zone can therefore not be activated or de-activated in the PLC user program using
the interface signal:
DB21, ... DBX10.0 - DBX11.1 (channel-specific protection zone 1 (...10))
Corresponding
to ....
DB21, ... DBX10.0 - DBX11.1 (activate channel-specific protection zone 1 (...10))
DB21, ...
DBX276.0 –
DBX277.1
Machinerelated protection zone 1 (...10) violated
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
The activated, machinerelated protection zone 1 ( ...10) is violated in the current block or in the
current JOG movement.
The pre-activated, machinerelated protection zone 1 ( ...10) would be violated in the current block if
it would be activated by the PLC.
Signal state 0
or edge change
1 → 0
The activated, machinerelated protection zone 1 (...10) is not violated in the current block.
The pre-activated, machinerelated protection zone 1 (...10) would not be violated in the current
block if it would be activated by the PLC.
Application
example(s)
Before parts are moved into the working zone - this IS can be used to check as to whether the tool
or workpiece is located in the machinerelated protection zone of the part to be moved in.
DB21, ...
DBX278.0 -
DBX279.1
Channelspecific protection zone 1 (...10) violated
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
The activated, channelspecific protection zone 1 ( ...10) is violated in the current block.
The pre-activated, channelspecific protection zone 1 ( ...10) would be violated in the current block if
it would be activated by the PLC.
Signal state 0 or
edge change
1 → 0
The activated, channelspecific protection zone 1 ( ...10) is not violated in the current block.
The pre-activated, channelspecific protection zone 1 (...10) would not be violated in the current
block if it would be activated by the PLC.
Application
example(s)
Before parts are moved into the working zone - this IS can be used to check whether the tool or
workpiece is located in the channelspecific protection zone of the part to be moved-in.
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