Siemens SINUMERIK 840D Description Of Functions page 369

11.03
An overview of the PLC program structure used is given in the Appendix
(Subsection 7.3.12).
Program OB1 program excerpt:
//
//
//
// Before running the ASUB "SAFE.SPF", it is not
// advisable to run any of the user program blocks
// Exception: To check correct functioning of
// function block FC 19, it might be necessary to run
// it immediately. In this case,
// critical function keys such as RESET and single block
// must be de-activated until the SPL has started:
// Example:
// U
// R
//.R
//
//
Description The NCK SPL is started with the programs (PLC basic program) FB4 and FC9.
Once it has successfully started, marker 210.0 is reset in order to enable
processing of the PLC blocks FC96 (PLC SPL) and FC97 (safety test) in OB1.
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
Note
From software release 6.4.15 onwards, the NCK-SPL can also be started
using the PROG_EVENT mechanism (refer to Chapter 3.10.13).
CALL "GP_HP"
CALL FC 95
U M 210.0
BEB
M 210.0
E3.7
E3.5
CALL FC 50
CALL FC 51
CALL FC 96
CALL FC 97
7 Configuring example
7.3 Safety Integrated with SPL
// Basic program
// "Start NCK-SPL"
// NCK SPL inactive
// PLC SPL is started
// if NCK-SPL is started
// NCK SPL inactive
// Reset RESET key
// Reset single block key
// User program
// User program
// PLC SPL
// Safety test stop
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