X121 Temperature Sensor And Fan Control - Siemens SINAMICS S120 Equipment Manual

Line Connection Booksize
2.9 Active Interface Modules internal air cooling
2.9.3.5

X121 temperature sensor and fan control

Table 2-22 Plug-in screw terminal X121
Terminal
1
2
3
4
Max. connectable cross-section: 1.5 mm
Note
If the terminals are not connected (or connected with low level), the fan will run in continuous
mode.
86
Designation
+Temp
-Temp
+24 V power supply for digital
inputs
Disable Fan
2
Technical specifications
Output Temperature switch
must be connected to X21 of the Active Line Module.
Temperature switch output
Current carrying capacity: 500 mA
The fan can be disabled. The fan may only be switched
off while the Active Line Module is disabled.
Manual, (GH2), 06/2008, 6SL3097-2AC00-0BP6
Booksize power units