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Siemens SIMATIC S5-115F - I;O Type Assignment of Unused Digital Words; I;O Type Assignment of Unused Analog Channels

Siemens SIMATIC S5-115F
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S5-115F Manual Rules Governing the Use of the S5-115F
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 Used as I/O type of the free word
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DI 430
DI 430
DI 430
DQ 451
DQ 451
Type 1 I/O
Type 3 I/O
Type 8 I/O
CH DQ for type 3 I/O
Type 1 I/O
Type 3 I/O
Type 8 I/O
Type 8 I/O
Type 2 I/O Type 2 I/O
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 Used as I/O type of the free channel
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AI 460
AI 463
AI 463
AI 463
AI 463
Type 13 I/O
Type 14 I/O
Type 15 I/O
Type 16 I/O
Type 13 I/O
Type 16 I/O
Type 16 I/O
Type 16 I/O
AQ 470 Type 18 I/O Type 18 I/O
Type 13 I/O Type 13 I/O
Note
The current or voltage inputs of unused AI channels must be short-circuited.
EWA 4NEB 811 6148-02
10-51

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