Siemens SINUMERIK 840DE sl Commissioning Manual page 803

1.9 Addressing components
Address identifiers for the desired data must be created to address NC variables, PLC blocks
or drive data. An address consists of the subpaths component name and variable address. A
slash should be used as a separating character.
1.9.1 PLC addressing
Addressing the PLC starts with the path section plc.
Table 1-3
DBx.DB(f)
I(f)x
Q(f)x
M(f)x
V(f)x
DBx.DBXx.b
Ix.b
Qx.b
Mx.b
Vx.b
Table 1-4
B
W
D
Data format identification is not applicable to bit addressing.
Address x:
Valid S7-200 address identifier
Bit addressing:
b – Bit number
Examples:
<data name = "plc/mb170">1</data>
<data name = "i0.1"> 1 </data>
<op> "m19.2" = 1 </op>
Easy XML
Programming Manual, 12/2017, 6FC5397-1DP40-6BA1
The following addresses are permissible:
Data block
Input
Output
Bit memory
Variable
Data block
Input
Output
Bit memory
Variable
Data format f:
Byte
Word
Double word
Generating user dialogs
1.9 Addressing components
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