Siemens SINUMERIK 840D sl Function Manual page 243

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Table of Contents

FirstRun: BOOL ;

The following table shows all formal parameters of the SI relay function:

Parameter FirstRun must be switched to the value TRUE via a retentive data

(memory bit, bit in the data block) at the first run–through after the control has

booted. This data can be preset, e.g., in OB 100. The parameter is reset to FALSE

when FB 10 is executed for the first time. Separate data must be used for parame-

ter FirstRun for each call with separate instance.

The block must be called cyclically by the user program beginning from when the

PLC program is started. The user must provide an instance DB with any number

for this purpose. The call is multi–instance–capable.

SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 05.2008 Edition

Acknowledge input 1

Acknowledge input 2

Value 1 for switch–off delay

Value 2 for switch–off delay

Value 3 for switch–off delay

Output, instantaneous (no delay)

Output, delayed by TimeValue1

Output, delayed by TimeValue2

Output, delayed by TimeValue3

Activation of initial state

Connecting Sensors/Actuators

7.3 Safe programmable logic (SPL)

True by User after 1st start of SPL

Sinamics s120