BECKHOFF BC3100 User Manual
Page 18
Basic information
18
BC3100
Memory requirement
Memory requirement for
various PLC commands
The PLC task currently has 32 kbytes each for program and data memory.
The memory requirement for a number of PLC commands is given below:
Command / Library
Code
Data
Comment
32k available
32k RAM available
Overhead
1k
6,5k
BITFUN.LIB
0
0
Created INLINE
CONVERT.LIB
0
0
Created INLINE
COUNTER.LIB
1.5k
0
MATH.LIB
--
--
Not yet available
STDFB.LIB
1k
0
STRING.LIB
2.5k
0
TIMER.LIB
1.5k
0
TRIGONOM.LIB
--
--
Not yet available
LD/ST Byte variable
4
LD /ST Word variable
4
LD /ST Dword variable
8
ADD Byte variable
6
ADD Word variable
6
ADD Dword variable
16
SHL / ROL Byte variable
6
SHL / ROL Word variable
6
SHL / ROL Dword
variable
--
Not yet available