Siemens SINUMERIK 808D ADVANCED Series

Commissioning Manual
6FC5397-4EP10-0BA8, 07/2018
129
6.3
Operation symbols of PLC programming languages
Operand identifier
Address identifier
Description
Range
DB Data DB1000 to DB7999
DB9900 to DB9906
T Timers 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
Accumulators
AC0 to AC3