Siemens SIMATIC C7-621 Manual page 48

Example program
FC16 : Filling cycle
Network 1 : Fill bottles
A I 125.0
L DB46.DBW0
SE T 1
A T 1
= Q 125.5
Network 2 : Scratchpad memory for conveyor, AUTO
A Q 125.2
A(
ON I 125.0
O
A I 125.0
AN T 1
)
= M 5.0
Network 3 : Count full bottles
A I 125.1
CU C 1
A Q 125.0
L C#0
S C 1
L C 1
T DB46.DBW2
OB1 : Filling plant
Network 1 : Mode section
CALL FC 15
Network 2 : Filling cycle
CALL FC 16
Network 3 : Data interface
L QW 124
T DB46.DBW4
48
// Bottle sensor 1 has detected a bottle
// Load filling time (3s)
// Set extended pulse (3s)
// When timer 1 reaches level 1
// Open inlet valve
// If AUTOMATIC mode set
// and
// no bottles have been detected by bottle sensor 1
// or
// bottle sensor 1 has detected a bottle
// and filling process not running (valve closed)
// Then the conveyor is moving
// Bottle sensor 2
// Increase counter by 1
// When plant is switched on
// Reset counter to 0
// Write current counter state to
// data block word
A 03/99
First Steps with the C7-621
6ZB5610-0AF02-0BA0