
Table of contents
1 Security information.............................................................................................................................. 5
2 Preface ................................................................................................................................................... 7
3 Product overview................................................................................................................................... 9
3.1 Properties of the F-DI 16x24VDC HA I/O module ................................................................... 9
4 Wiring .................................................................................................................................................. 13
4.1 Terminal blocks for the I/O module ..................................................................................... 13
4.2 Pin assignment of the F-DI 16x24VDC HA I/O module ......................................................... 15
4.3 Schematic circuit diagram .................................................................................................. 17
5 Parameters/address space ................................................................................................................... 19
5.1 Parameters ........................................................................................................................ 20
5.2 Description of parameters .................................................................................................. 24
5.2.1 F-parameters ..................................................................................................................... 24
5.2.2 Cross-channel parameters .................................................................................................. 25
5.2.3 Parameters of the module.................................................................................................. 26
5.2.4 Parameters of the channel pairs ......................................................................................... 27
5.2.5 Parameters of the channels ................................................................................................ 29
5.2.6 Parameters of the potential group ...................................................................................... 35
5.2.7 Double-width terminal block .............................................................................................. 36
5.2.8 Additional parameters on the "Redundancy" tab for redundant modules ............................. 36
5.3 Address space .................................................................................................................... 37
6 Applications of the F-I/O module ......................................................................................................... 39
6.1 Applications of the electronic module................................................................................. 39
6.2 Application 1: Safety mode SIL3/Cat.3/PLd .......................................................................... 41
6.3 Application 2: Safety mode SIL3/Cat.3/PLe .......................................................................... 43
6.4 Application 3: Safety mode SIL3/Cat.4/PLe .......................................................................... 46
6.4.1 Application 3.1 (SIL3/Cat.4/PLe) ......................................................................................... 47
6.4.2 Application 3.2 (SIL3/Cat.4/PLe) ......................................................................................... 48
6.5 Requirements placed on sensors for fail-safe modules ........................................................ 51
6.6 IO redundancy ................................................................................................................... 53
7 Displays, alarms and messages ........................................................................................................... 55
7.1 Status and fault displays of the F-DI 16x24VDC HA I/O module............................................ 55
7.2 Interrupts .......................................................................................................................... 58
7.3 Diagnostic messages.......................................................................................................... 60
7.4 Maintenance messages...................................................................................................... 66
F-DI 16x24VDC HA
Equipment Manual, 08/2021, A5E45647528-AD 3