Siemens SIMATIC HMI KTP700F Mobile HW Información Del Producto página 19

Evaluating operator controls as direct keys
You can configure the operator controls of the HMI device as direct keys. The states of the following operator controls are
available directly in the I/O area of the PLC:
● Direction pulses of the handwheel
● State of the function keys
● State of the keyswitch
● State of the illuminated pushbuttons
● Turning position of the override rotary switch
Byte assignment
The following figure shows the assignment of the keys (inputs) and LEDs (outputs) to the bytes in the PLC process image:
F Function key
S Keyswitch
K1 Left-hand pushbutton
K2 Right-hand pushbutton
I Handwheel pulses, forwards
D Handwheel pulses, backwards
Q Override rotary switch
The bytes "n+6" to "n+9" contain the direct key bits for the touchscreen buttons.
Refer to your plant documentation for additional information.
Bit assignment
The following tables show the bit assignment for function keys, keyswitch, illuminated pushbutton and handwheel:
● Bit assignment of function keys
State
Not pressed
Pressed
● Bit assignment of function key LEDs
State
LED not illuminated
LED is illuminated
KTP700F Mobile HW, KTP700F Mobile HW/OR
A5E44033674-AA, 08/2018
Function key bits F1 to F6
0
1
LED bits F1 to F6
0
1
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