Siemens SPS starter kit 6ED1057-3BA00-0AA8 12 Vdc, 24 Vdc 6ED1057-3BA00-0AA8 데이터 시트
제품 코드
6ED1057-3BA00-0AA8
Sample applications
4.1 Air-conditioning system
LOGO!Soft Comfort Online Help
182
Operating Instructions, 06/2014
● The fresh-air fan may only be switched on if the flow sensor signals the safe operational
state of the extractor fan.
● A warning lamp indicates failure of one of the fans.
Standard solution
The fans are under monitoring by means of flow sensors. If the sensors registered no air flow
after a short delay time has expired, the system is switched off and an error message is
generated, which can be acknowledged by pressing the off button.
Fan monitoring requires an analyzer circuit with several switching devices, in addition to the
Fan monitoring requires an analyzer circuit with several switching devices, in addition to the
flow sensors. A single LOGO! device can replace this analyzer circuit.
LOGO!Soft Comfort solution
The use of LOGO! reduces the amount of switchgear. Thus, you save installation time and
space in the control cabinet. You may even be able to use as a smaller control cabinet.
With LOGO! you can also switch off the fans sequentially after the system is switched off.
With LOGO! you can also switch off the fans sequentially after the system is switched off.
The circuit in LOGO!Soft Comfort
The system is switched on and off at the inputs I1 and I2. The fans are connected to outputs
Q1 and Q2, the flow sensors are connected to the inputs I3 and I4. Blocks B007 and B008
are used to set the watchdog times after which the flow sensors should send a signal to the
fault output Q3.