Siemens SIMATIC S7-1200

Instructions
9.2 PID_3Step
PID control
Function Manual, 03/2017, A5E35300227-AC
305
9.2.3
CPU processing time and memory requirement PID_3Step V2.x
CPU processing time
Typical CPU processing times of the PID_3Step technology object as of Version V2.0,
depending on CPU type.
CPU
Typ. CPU processing time PID_3Step V2.x
CPU 1211C ≥ V4.0
410 µs
CPU 1215C ≥ V4.0 410 µs
CPU 1217C ≥ V4.0
410 µs
CPU 1505S ≥ V1.0 50 µs
CPU 1510SP-1 PN ≥ V1.6
120 µs
CPU 1511-1 PN ≥ V1.5
120 µs
CPU 1512SP-1 PN ≥ V1.6
120 µs
CPU 1516-3 PN/DP ≥ V1.5
65 µs
CPU 1518-4 PN/DP ≥ V1.5
5 µs
Memory requirement
Memory requirement of an instance DB of the PID_3Step technology object as of Version
V2.0.
Memory requirement of the instance DB of
PID_3Step V2.x
Load memory requirement
Approx. 15000 bytes
Total work memory requirement
1040 bytes
Retentive work memory requirement
60 bytes