Siemens Simatic M7-400 Manual do Utilizador Página 526

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Interface Submodules
13-30
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Mode Register
Tables 13-36 and 13-37 give an overview of the mode register.
Table 13-36 Offset Address for the Mode Register (IF 961-DIO)
Offset Address
Function Remarks
7 Mode register Read/write
Table 13-37 Meaning of the Bits in the Mode Register (IF 961-DIO)
Bit
Function = 0 = 1
2
0
Input delay 3 ms 750 ms
2
1
Reserved
: :
2
7
Reserved
Reset Status
After switching on the interface submodule, the input delay is set to 3 ms.
Interrupt Request
The interface submodule supplies an interrupt request (IRQa).
You can define the assignment of the IRQa interrupt request to the relevant
processor interrupt request in the BIOS setup.
Submodule ID
The IF 961-DIO interface submodule has the submodule ID 02
H
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