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Siemens
HMI-LED
CB1P3946en
Building Technologies
HMI-LED Programming
2013-08-19
The following sections will introduce how to program with self-define global
variable method in SAPRO.
4.2 Hot key configuration
The HMI-LED provides 3 hot keys for easy operation. When hot key is pressed,
value “1” will be written to corresponding Holding register. Further corresponding
actions should be completed in SAPRO.
4.2.1 Unit ON/OFF
Press key SET+UP to write value “1” to the Holding register 137. Then a 2-second
pulse will be created to support the carrying out ON/OFF action with one key.
The application example of Unit ON/OFF is shown as below:
4.2.2 Alarm Acknowledgement
When an alarm occurs, press key SET+DOWN to acknowledge the alarm. After
the alarm is dismissed, the corresponding alarm code will be moved to alarm
history list.
