Siemens SINUMERIK Commissioning Manual page 494

Configure hotkeys and PLC keys
4.3 PLC interface
4.2.5 Expanded functions for PLC keys
Overview
Changes of task and state can also be configured for PLC keys.
Range for Action:
For standard applications
For "Expand user interface" applications
The PLC-specific keys have numbers between 50 and 254, with numbers 50 to 81 reserved
for OEM applications.
Examples:
● The configuration shown here does not execute a change of task or state and, therefore,
● A change of task and state could be configured here in exactly the same way.
4.3 PLC interface
4.3
4.3.1 Structure of the interface
Overview
In the PLC interface, area DB19. Byte10 is provided for key selection. Here, the PLC can
directly select one key between 50 and 254.
(Keys 1 to 49 are reserved for Siemens, keys 50 to 254 are specific PLC keys.)
Note
In M:N mode, the area for the 2nd HMI interface is DB19.Byte60.
4-12
remains in the current task and screen. An Action 100 is forwarded.
[KeyConfiguration]
HK50.0 = Action:=100
HK50.0 = Task:=1, State:=10, Action:=100
0 – 17
≥100
Commissioning Manual, 11/2006, 6FC5397-0DP10-0BA0
Expanding the user interface