Signals To Channel (Db21 - Siemens SINUMERIK 840Di Function Manual
Basic machine
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Detailed Description
2.9 Mode group, channel, program operation, reset response (K1)
DB11, ...
DBX7.2
Active machine function REF
Edge evaluation: no
Signal state 1 or
Machine function REF is active in the mode group.
edge change
0 → 1
Signal state 0 or
Machine function REF is not active.
edge change
1 → 0
Further references
/FB1/ Description of Functions, Basic Machine; Reference Point Approach (R1)
2.9.3
Signals to channel (DB21, ...)
DB21, ...
DBX0.4
Activate single block
Edge evaluation: no
Signal state 1 or
In AUTOMATIC and MDA modes, the operator must enable processing of each individual part
edge change
program block of the part program selected in the channel by reactivating NC START.
0 → 1
Signal state 0 or
No effect.
edge change
1 → 0
Special cases,
•
errors, ......
•
•
Corresponds to ....
DB21, ... DBX35.3 (program status interrupted)
2-90
Signal(s) updated: cyclic
Signal(s) updated: cyclic
In the case of active tool offset, intermediate blocks are inserted, when necessary. These blocks
must also be enabled using NC START.
In a series of G33 blocks, a single block is only operative if "dry run feed" is selected.
In the case of a decoding single block, calculation blocks are not processed in the single step.
NC/PLC Interface Signals (Z1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
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