Driver Blocks For F-I/Os - Siemens SIMATIC S7 F Manual

Fail-Safe Blocks
8.2

Driver Blocks for F-I/Os

To ensure fail-safe data exchange between the Safety Program and F-I/Os,
additional safety-related information is also transmitted in addition to the actual
user data (process values).
The following driver blocks are available for the transfer of user data with a safety
protocol:
F Channel Drivers
Block
F_CH_DI
F_CH_DO
F_CH_AI
F Module Drivers
Block
F_M_DI8
F_M_DI24
F_M_DO10
F_M_DO8
F_M_AI6
The F module drivers belong to the group of F control blocks.
See Also
Common Features of the Driver Blocks
Fail-Safe Systems
A5E00085588-03
Description
F channel driver for digital input
F channel driver for digital output
F channel driver for analog input
Description
F module driver for 8-channel digital input
F module driver for 24-channel digital input
F module driver for 10-channel digital output
F module driver for 8-channel digital output
F module driver for 6-channel analog input
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