Siemens SINUMERIK 840D sl Function Manual page 1041

NC/PLC Interface Signals (Z2)
19.1 Digital and analog NCK I/Os
19.1.1 Signals to NC (DB10)
Overview of signals from PLC to NC
DB10 Signals to NC interface PLC → NC
DBB Bit 7
0 Disable digital NCK inputs
Digital inputs without hardware *)
Input 8
1 Setting on PLC of digital NCK inputs
Digital inputs without hardware *)
Input 8
4 Disable digital NCK outputs
Digital outputs without hardware *)
Output 8
5 Overwrite mask for digital NCK outputs
Digital outputs without hardware *)
Output 8
6 Setting value from PLC for the digital NCK outputs
Digital outputs without hardware *)
Output 8
7 Setting mask for digital NCK outputs
Digital outputs without hardware *)
Output 8
Notes:
*) Bits 4 to 7 of the digital NCK outputs can be processed by the PLC even though there are no equivalent hardware I/Os.
These bits can therefore also be used for data exchange between the NCK and PLC. **) With the 840D, the NCK digital
inputs and outputs 1 to 4 are provided as onboard hardware inputs and outputs. These can be processed by the PLC
according to *).
DB10 Signals to NC interface PLC ! NC
DBB Bit 7
122 Disable digital NCK inputs
Input 16
Extended Functions
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Bit 6 Bit 5
Input 7 Input 6
Input 7 Input 6
Output 7 Output 6
Output 7 Output 6
Output 7 Output 6
Output 7 Output 6
Bit 6 Bit 5
Input 15 Input 14
Bit 4 Bit 3
(on-board inputs) **)
Input 5 Input 4
(on-board inputs) **)
Input 5 Input 4
on-board outputs **)
Output 5 Output 4
on-board outputs **)
Output 5 Output 4
on-board outputs **)
Output 5 Output 4
on-board outputs **)
Output 5 Output 4
Bit 4 Bit 3
Input 13 Input 12
Bit 2 Bit 1
Input 3 Input 2
Input 3 Input 2
Output 3 Output 2
Output 3 Output 2
Output 3 Output 2
Output 3 Output 2
Bit 2 Bit 1
Input 11 Input 10
19
Bit 0
Input 1
Input 1
Output 1
Output 1
Output 1
Output 1
Bit 0
Input 9
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