Siemens SIMATIC S7 FH User Manual

Fail-Safe Blocks
Fail-Safe Systems
A5E00085588-03
8-7
Block Number Block Name
FB 368 F_TI_FTI
FB 369 F_I_FI
FB 370 F_SENDBO
FB 371 F_RCVBO
FB 372 F_SENDR
FB 373 F_RCVR
FB 377 F_CH_DI
FB 378 F_CH_DO
FB 379 F_CH_AI
FB 384 F_M_DI8
FB 385 F_M_DI24
FB 386 F_M_DO10
FB 387 F_M_AI6
FB 388 F_M_DO8
FB 390 F_S_BO
FB 391 F_R_BO
FB 392 F_S_R
FB 393 F_R_R
FB 394 F_START
FB 395 F_CYC_CO
FB 396 F_PLK
FB 397 F_PLK_O
FB 398 F_TEST
FB 399 F_TESTC
FB 400 F_TESTM
FB 456 F_2oo3_R
FB 457 F_1oo2_R
FB 458 F_SHUTDN
FB 459 RTG_LOGIC
FB 461 F_FR_FI
!
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.

Siemens SIMATIC S7 FH Specifications

General

Brand	Siemens
Model	SIMATIC S7 FH
Category	Controller
Language	English