88 / 144
Siemens
Central control unit RMB795B
CE1P3122en
Building Technologies
Logic
18.01.2012
9.8
Application examples
9.8.1
Application example storage tank charging
The following application example shows a solution for a self-holding function:
•
The measured value connected to logic A input 1 gives the switch-on command
for storage tank charging.
•
The measured value at logic B input 1 terminates charging.
Required configuration and setting values:
Operating line
Comments
[Logic A] function
OR
[Logic B] function
NAND
[Logic C] function
AND
[Logic A switching value 1] on
30 °C
[Logic A switching value 1] off
35 °C
[Logic B switching value 1] on
65 °C
[Logic B switching value 1] off
60 °C
