Siemens Simatic S7-200 System Manual page 151

Example: Multiple-Segment Pulse Train Operation (PTO) , continued
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Network 2 //1. Set up the control byte:
// – Select PTO operation
// – Select multiple segment operation
// – Select ms increments
// – Enable the PTO function
//2. Set the start address of the profile table to V500.
//3. Define interrupt routine 0 to be the interrupt
// for processing PTO complete interrupts.
//4. Global interrupt enable
//5. Invoke PTO operation, PLS0 => Q0.0.
LD SM0.0
MOVB 16#A8, SMB67
MOVW +500, SMW168
ATCH INT_0, 19
ENI
PLS 0
Network 1 //When the PTO output profile is complete,
//Turn on output Q0.5
LD SM0.0
= Q0.5
S7-200 Instruction Set Chapter 6
6
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