Siemens SINUMERIK 840D sl Function Manual page 1052

NC/PLC Interface Signals (Z2)
Digital and analog NCK I/Os
DB10
DBB194 - 209 Actual value for analog NCK inputs
Edge evaluation: No
Signal state 1 or The analog value applied to the analog NCK input is signalled to the PLC.
edge change 0 → 1
The actual value is set as a fixed point number (16 bit value including sign) in 2's complement by
the NCK.
Signal state 0 or The effect of the PLC on the analog value (e.g. with IS "Disable analog NCK inputs") is ignored.
edge change 1 → 0
Corresponding to .... DB10 DBB146 (Disable analog NCK inputs)
DB10 DBB147 (Setting screen form of analog NCK inputs)
DB10 DBB148-163 (Setting by PLC of analog NCK inputs)
MD10300 $MN_FASTIO_ANA_NUM_INPUTS
DB10
DBB210 - 225 Setpoint for analog NCK outputs
Edge evaluation: No
Signal state 1 or The current set NCK value for the analog output (setpoint) is signalled to the PLC.
edge change 0 → 1
The set value is set as a fixed point number (16 bit value including sign) in 2's complement by the
NCK.
Signal state 0 or This 'setpoint' is only output to the hardware output under the following conditions:
edge change 1 → 0
•
•
Corresponding DB10 DBB168 (Disable analog NCK outputs)
to ....
DB10 DBB166 (Overwrite screen form of analog NCK outputs)
DB10 DBB170-185 (Setting by PLC of analog NCK outputs)
DB10 DBB167 (Setting screen form of analog NCK outputs)
MD10310 $MN_FASTIO_ANA_NUM_OUTPUTS
1052
Signal(s) updated: Cyclic
Signal(s) updated: Cyclic
Output is not disabled (IS "Disable analog NCK outputs")
The PLC has switched to the NCK value (IS "Setting screen form of analog NCK outputs")
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Extended Functions