Siemens SIMATIC HMI 177 - Evaluation of the Operator Control Elements; Overview

Appendix
A.2 Evaluation of the operator control elements
Mobile Panel 177 (WinCC flexible)
Operating Instructions (Compact), Edition 07/2005
A-5
A.2 A.2 Evaluation of the operator control elements
A.2.1 Overview
Operator control elements
The following information can be transferred between the HMI device and the controller:
• Direction pulses of the handwheel
• Status of the softkeys
• Status of the key-operated switch
• Status of the illuminated pushbutton
• Status of the LEDs of softkeys and illuminated pushbuttons
There are two alternatives:
• Direct keys
• System functions of WnCC flexible
Note
The following sections are intended for the configuring engineer of the HMI device.