Signals From Channel (Db21 - Siemens SINUMERIK 840D sl Function Manual
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DB21, ...
DBX7.7
Reset
Edge evaluation: No
Signal state 1
The channel is reset. The initial settings are set (e.g. G functions).
The alarms for the channel are cleared if they are not POWER ON alarms.
The reset signal must be issued by the PLC (e.g. using a logic operation with the reset key on the
MCP). The signal is only evaluated by the selected channel.
The program status changes to "Aborted", and the channel status changes to "Channel status reset".
Signal state 0
No effect.
Corresponding to ...
DB11, ... DBX0.7 (mode group reset)
DB21, ... DBX35.7 (channel status reset)
DB21, ...
DBX31.0 - DBX31.2
REPOS mode (A, B, C)
Edge evaluation: No
Meaning
REPOS mode for repositioning to the contour after an interruption of the traversal block
Mode
No REPOS mode active
RMB: Repositioning to start of block
RMI: Repositioning to interrupt point
RME: Repositioning to end of block
RMN: Repositioning to the nearest path
point
Corresponding to ...
DB21, ...DBX25.0-2 (REPOS mode)
DB31, ... DBX10.0 (REPOS_DELAY)
DB21, ...
DBX31.4
REPOS mode change
Edge evaluation: Yes
Edge change
REPOS mode has changed.
0 → 1
Edge change
REPOS mode has not changed.
1 → 0
Corresponding to ...
DB21, ... DBX31.0-2 (REPOS mode)
DB21, ... DBX319.0 (acknowledgement of REPOS mode change)
19.6.4
Signals from channel (DB21, ...)
DB21, ...
DBX32.3
Action block active
Edge evaluation: No
Signal state 1
The action block is being executed.
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
19.6 Mode group, channel, program operation, reset response (K1)
Signal(s) updated: Cyclically
Signal(s) updated: Cyclically
Signal(s) updated: Cyclically
Signal(s) updated: Cyclically
Z1: NC/PLC interface signals
Bit 2
Bit 1
0
0
0
0
0
1
0
1
1
0
Bit 0
0
1
0
1
0
1613
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