Activating The Key Lock; Operating Area Numbers - Siemens SINUMERIK 840D sl Function Manual

P3: Basic PLC program for SINUMERIK 840D sl
13.13 PLC functions for HMI
6. To complete the order, the program selection request must be reset: DB19.DBX13.7 = 0
7. The HMI signals that it is ready to accept a new order by resetting the acknowledgment
byte: DB19.DBB26 == 0
See also
A2: Various NC/PLC interface signals and functions (Page 35)
13.13.2

Activating the key lock

The operator panel keyboard and a keyboard directly connected to the HMI can be locked
using the following interface signal
● 1. HMI: DB19.DBX0.2 = <value>
● 2. HMI: DB19.DBX50.2 = <value>
Value
0
1
13.13.3

Operating area numbers

The number of the active operating area is normally displayed in: DB19.DBB21
If the HMI monitor is active, the number of the active operating area is no longer displayed in
DB19.DBB21, but instead in the user-specific configured area of the HMI monitor (Page 893).
Operating area
Machine
Parameters
Programming
Program Manager
Diagnostics
Commissioning
13.13.4 Screen numbers
The current screen number is normally displayed in: DB19.DBW24
If the HMI monitor is active, the current screen number is no longer displayed in DB19.DBW24,
but instead in the user-specific configured area of the HMI monitor (Page 893).
884
Meaning
Key lock inactive
Key lock active
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Number
201
205
203
202
204
206
Basic Functions