6 NC Machine Data (NC MD), NC Setting Data (NC SD) 01.99
6.6.1 General MD bits (general bits)
Bit 2 Bit 2 = 0, Auxiliary function output during axis movement
Bit 2 = 1, Auxiliary function output prior to travel
Active: NC Stop
If an auxiliary function (M, S, T, H, D) is also programmed in a traversing block,
bit 2 can bring about the following two states:
Example:
N10
N15 M6 X100
L
F
N20
(t)
N20N15N10
(V) Velocity
Bit 2 = 0
M6
N10
(V)
M6 (t)
Bit 2 = 1
PLC cycle
Bit 1=1 If the bit is set, the internal WAIT mark synchronization is active.
Bit 1=0 WAIT mark synchronization via PLC
Active: NC STOP
Note:
Observe the internal WAIT MARK SYNCHRONIZATION DB 10-15 DL 15.8 interface signal as
from SW 6.3
Bit 0=1 No NC STOP in dwell block G04 S.../G14/G24. NC STOP is not active in
these blocks, but only at the end of the block.
Bit 0=0 NC STOP is immediately active; the dwell time and thus the block are aborted
completely. The next block is started with NC START.
Active: NC STOP
Note
A dwell time with G04 x..., G04 F... is always aborted by NC STOP.
6–90 ©
Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)
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