Description of application and parameters 
Application "Function block RTC" 
 
 
 
 
 
 
Product manual 2CKA001473B9482 
128 
 
 
11.5.138.3  Brightness of the colours 
 
Options:  Dark 
  Bright 
 
■
 Dark: 
–  The button LEDs light up with minimal brightness. 
■
 Bright: 
–  The button LEDs light up with high brightness. 
 
The parameter is used to specify whether the RTC button LEDs light up continuously dark or 
bright. No distinction is made between day or night. 
 
 
Note 
The parameter is only adjustable if the "Day/night mode" parameter is set on 
"deactivated". 
 
11.5.138.4  Colour for Off 
 
Options:  Off 
  Yellow 
  Red-orange 
  Red 
  Violet 
  Blue 
  Green 
  White 
 
■ 
Off: 
–  The button LEDs are switched off. 
■
  Yellow - white: 
–  The button LEDs light up in the fixed colour at switching signal "Off". 
 
The parameter is used to specify the colour the RTC button LEDs light up in when the device 
receives an Off telegram via the 1-bit communication object "Status LED". The default setting is 
"green". 
 
 
Note 
The parameter can only be set if the "Operating mode" parameter and is set on 
"Status illumination" and the "Object type for status object" parameter is set on 
"1 bit".