Siemens SINUMERIK 828D

P4: PLC for SINUMERIK 828D
14.6 Function interface
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
1173
General signals from axis/spindle (excerpt)
State interrogation is possible via the interface DB390x.DBB8. However, for simulation, the axis machine data
MD30350 MA_SIMU_AX_VDI_OUTPUT must be set.
Request and relinquish PLC axis
Functional interface
The two tables provide an overview of the available interface signals. The precise description of the signals and
the explanation of what signals are relevant for the individual functions are explained in the following.
Table 14-2
DB3900...3907 Signals from axis/spindle [r]
Data block NCK -> PLC interface
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
DBB 0008 PLC axis/
spindle
Neutral
axis/
spindle
Axis
interchang
e possible
New type
requested
from PLC
NC axis/
spindle
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