I/O Type Assignment Of Unused Digital Words; I/O Type Assignment Of Unused Analog Channels - Siemens SIMATIC S5-115F User Manual

S5-115F Manual

10.13 I/O Type Assignment of Unused Digital Words

32-bit DI/DQ modules require two I/O words. You must define the I/O type for each I/O word. This
must also be done for an I/O word even if you do not use the relevant bits. Assign the unused I/O
words to the simplest I/O type.
Table 10-6. Typical I/O Type Assignments of Unused I/O Words of 32-Channel DI/DQ Modules
Module
DI 430
DI 430
DI 430
DQ 451
DQ 451

10.14 I/O Type Assignment of Unused Analog Channels

You must assign an I/O type to each channel of an AI/AQ module. Assign the simplest I/O type to
the unused channels.
Table 10-7. Typical I/O Type Assignments of Unused Channels of AI/AQs
Module
AI 460
AI 463
AI 463
AI 463
AI 463
AQ 470
Note
The current or voltage inputs of unused AI channels must be short-circuited.
EWA 4NEB 811 6148-02
Used as
Type 1 I/O
Type 2 I/O
Type 3 I/O
Type 8 I/O
CH DQ for type 3 I/O
Used as
Type 13 I/O
Type 13 I/O
Type 14 I/O
Type 15 I/O
Type 16 I/O
Type 18 I/O
Rules Governing the Use of the S5-115F
I/O type of the free word
Type 1 I/O
Type 2 I/O
Type 3 I/O
Type 8 I/O
Type 8 I/O
I/O type of the free channel
Type 13 I/O
Type 13 I/O
Type 16 I/O
Type 16 I/O
Type 16 I/O
Type 18 I/O
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