Fail-Safe Fb Numbers - Siemens SIMATIC S7 F Manual

Fail-Safe Blocks
Block Number
FB 368
FB 369
FB 370
FB 371
FB 372
FB 373
FB 377
FB 378
FB 379
FB 384
FB 385
FB 386
FB 387
FB 388
FB 390
FB 391
FB 392
FB 393
FB 394
FB 395
FB 396
FB 397
FB 398
FB 399
FB 400
FB 456
FB 457
FB 458
FB 459
FB 461
Safety Note – Fail-safe FB numbers
!
Numbers FB396 to FB400 must be kept free.
The numbers of the fail-safe blocks must not be changed.
Fail-Safe Systems
A5E00085588-03
Block Name
F_TI_FTI
F_I_FI
F_SENDBO
F_RCVBO
F_SENDR
F_RCVR
F_CH_DI
F_CH_DO
F_CH_AI
F_M_DI8
F_M_DI24
F_M_DO10
F_M_AI6
F_M_DO8
F_S_BO
F_R_BO
F_S_R
F_R_R
F_START
F_CYC_CO
F_PLK
F_PLK_O
F_TEST
F_TESTC
F_TESTM
F_2oo3_R
F_1oo2_R
F_SHUTDN
RTG_LOGIC
F_FR_FI
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