Siemens M7-400, S7-400 Digital Output Function , Acknowledgment Register

Interface Submodules
13-27
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Digital Output Function
Tables 13-24 and 13-25 give an overview of the digital output function.
Table 13-24 Offset Address for the Digital Output Function (IF 961-DIO)
Offset
Address Function Remarks
1User data digital output function Read/write
Table 13-25 Assignment of the Digital Output (DO) Channels to the Bits (IF 961-DIO)
Bit Function = 0 = 1
20DO channel 0 0 V + 24 V
: : : :
27DO channel 7 0 V + 24 V
Acknowledgment Register
The interrupt is acknowledged in this register. Tables 13-26 and 13-27 give an
overview of the acknowledgment register.
Table 13-26 Offset Address for the Acknowledgment Register (IF 961-DIO)
Offset
Address Function Remarks
2Acknowledgment register Write only
Table 13-27 Meaning of the Bits in the Acknowledgment Register (IF 961-DIO)
Bit Function = 0 = 1
20Reserved
: :
26Reserved
27Acknowledge interrupt No Yes