Pto/Pwm Control Byte Reference; Pto/Pwm Initialization And Operation Sequences - Siemens SIMATIC S7-200 System Manual

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SIMATIC Instructions

Table 9-18 PTO/PWM Control Byte Reference

Descriptions of the initialization and operation sequences follow. They can help you

better understand the operation of PTO and PWM functions. The pulse output

Q0.0 is used throughout these sequence descriptions. The initialization

descriptions assume that the S7-200 has just been placed in RUN mode, and for

that reason the first scan memory bit is true. If this is not the case, or if the

PTO/PWM function must be re-initialized, you can call the initialization routine

using a condition other than the first scan memory bit.

Result of executing the PLS instruction

S7-200 Programmable Controller System Manual

A5E00066097-02

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