Detailed Description
2.9 Mode group, channel, program operation, reset response (K1)
NC/PLC Interface Signals (Z1)
2-90 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
DB11, ...
DBX7.2
Active machine function REF
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
Machine function REF is active in the mode group.
Signal state 0 or
edge change
1 → 0
Machine function REF is not active.
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(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
In AUTOMATIC and MDA modes, the operator must enable processing of each individual part
program block of the part program selected in the channel by reactivating NC START.
Signal state 0 or
edge change
1 → 0
No effect.
Special cases,
errors, ......
• 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.
Corresponds to .... DB21, ... DBX35.3 (program status interrupted)
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