Siemens Simatic M7-400 Manual do Utilizador descarregar pdf (Página 524)

100

101

Interface Submodules

13-28

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

Interrupt Register

The cause of the interrupt is stored in this register. Tables 13-28 and 13-29 give an

overview of the interrupt register.

Table 13-28 Offset Address for the Interrupt Register (IF 961-DIO)

Offset

Address

Function Remarks

3 Interrupt register Read only

Table 13-29 Meaning of the Bits in the Interrupt Register (IF 961-DIO)

Bit

Function = 0 = 1

Level change at DI channel 0 No Yes

: : : :

Level change at DI channel 7 No Yes

Interrupt Enable Register

Tables 13-30 and 13-31 give an overview of the interrupt enable register.

Table 13-30 Offset Address for the Interrupt Enable Register (IF 961-DIO)

Offset

Address

Function Remarks

4 Interrupt enable register Read/write

Table 13-31 Meaning of the Bits in the Interrupt Enable Register (IF 961-DIO)

Bit

Function = 0 = 1

Reserved

: :

Reserved

Interrupt Disabled Enabled

1 2 ... 519 520 521 522 523 524 525 526 527 528 529 ... 637 638

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