IMO iSmart V4 - Page 156

Chapter 6 FBD Block Diagram Programming 136
Example: calculating resources
Number
Function / Logic
Memory bytes
Function number
B001
AND
8
B002
Timer mode 7
12
T01, T02
B003
Counter mode 1
14
C01
B004
NOT
4
B005
MD
11
MD01
B006
DR register
6
DR01
B number
Memory bytes
Memory space limits in
iSmart
500
10000
Resource used by program
6
55
Still available in iSmart
494
9945
Input coils: I01, X01, M01, I02;
Output coils: H01, N01;
Normal ON: Hi001;
Analog input: A01;
Analog output: AQ01;
Logic and function block: B001~B006.
Coil input/output and analog input/output
don’t occupy
B number and memory
space.