5
Parameter Manual
Operating Instructions, 08/2013, 6FC5397-8EP40-0BA0
421
PLC User Interface
5.1 Addressing ranges
Operand identifier
Structure of the DB-range address
Address identifier Description Range
DB Data DB1000 to DB7999
DB9900 to DB9906
T Times T0 to T15 (100 ms)
T16 to T63 (10 ms)
C Counters C0 to C63
I Image of digital inputs I0.0 to I8.7
Q Image of digital outputs Q0.0 to Q5.7
M Bit memory M0.0 to M255.7
SM Special bit memory SM0.0 to SM0.6 ()
AC ACCU AC0 to AC3
Access Example Description
Bit DB3801.DBX1000.7 Bit 7 of the byte with offset 0 in subrange 1 for axis 2, user
range 38
Byte DB3801.DBB0 Byte with offset 0 in subrange 0 for axis, user range 38
Word DB4500.DBW2 Work with offset 2 in subrange 0, range 0, user range 45
Double Word DB2500.DBD3004 Double word with offset 4 in subrange 3, range 0, user range
25
%LWQXPEHUWR
2IIVHWWR
6XEUDQJHWR
5DQJHQXPEHUWRD[LVFKDQQHO
8VHUUDQJHWR
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Siemens Controls
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