Siemens SINUMERIK 840Di Function Manual page 1941

DB21, ...
DBB129 D function 1
Edge evaluation: no
Signal state 1 or The D function programmed in an NC block is made available here
edge change as soon as the D change signal is available.
0 → 1
Value range of D functions: 0 to 999; integer number
The D function remains valid until it is overwritten by a new D function.
Signal state 0 or •
edge change
•
1 → 0
Application Implementation of protective functions.
example(s)
Special cases, D0 is reserved for deselecting the current tool offset.
errors, ......
DB21, ... H functions 1 to 3
DBB140 - DBB157
Extended address H functions 1 to 3
Edge evaluation: no
Signal state 1 or Up to 3 H functions programmed in an NC block are made available here simultaneously as soon
edge change as the H change signals are available.
0 → 1
Value range of the H function: Floating point (corresponding to the MC5+format)
Value range of the extended address: 0 to 99; integer number
The H functions remain valid until they are overwritten by new H functions.
Signal state 0 or •
edge change
•
1 → 0
Application Switching functions on the machine.
example(s)
NC/PLC Interface Signals (Z1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Signal(s) updated: Job-controlled by NCK
After the PLC has ramped-up.
All help functions are deleted before a new function is entered.
Signal(s) updated: Job-controlled by NCK
After the PLC has ramped-up.
All help functions are deleted before a new function is entered.
Detailed Description
2.8 Auxiliary function output to PLC (H2)
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