Signals From Channel (Db21 - Siemens SINUMERIK 840D sl Function Manual

NC/PLC interface signals

6.2 Signals from channel (DB21, ...)

DB21, ...
Input signal
DBX385.0 ... 7
Application exam‐ Grinding
ple(s)
References Function Manual, Synchronized Actions
DB21, ...
Input signal inhibit
DBX386.0 ... 7
Edge evaluation: No
Signal state 1 The input signal is inhibited.
Signal state 0 The input signal is enabled.
Corresponding to ...
● DB21, ... DBX385.0 ... 7 (input signal)
● DB21, ... DBX387.0 ... 7 (action is enabled)
● $AC_IN_KEY_G_ENABLE[1 ... 8] (input signal enable on the NC side)
Application exam‐ Grinding
ple(s)
References Function Manual, Synchronized Actions
DB21, ...
Enable the action
DBX387.0 ... 7
Edge evaluation: No
Signal state 1 The action is enabled
Signal state 0 The action is inhibited
Corresponding to ... ● DB21, ... DBX391.0 ... 7 (enable request for the action on the NC side)
● $AC_IN_KEY_G_RUN_OUT[1 ... 8] (enable request of the action on the NC side)
● $AC_IN_KEY_G_RUN_IN[ 1 ... 8 ] (enable of the action on the PLC side)
Application exam‐ Grinding
ple(s)
References Function Manual, Synchronized Actions
6.2 Signals from channel (DB21, ...)
DB21, ...
DBX281.1 Request / acknowledgment: update synchronized actions that can be inhibited / synchronized actions
that can be inhibited are updated
Edge evaluation: No
Signal state 1 The update of the inhibit signals in the interface by the NC has been requested from the PLC user
program.
Signal state 0 After the request, the NC updated the inhibit signals in the interface and acknowledged the update
by resetting the request.
References Function Manual, Synchronized Actions
164
Signal(s) updated: Cyclically
Signal(s) updated: Cyclically
Signal(s) updated: Cyclically
Function Manual, 08/2018, 6FC5397-5BP40-6BA2
Synchronized actions