X121 Alarm Contacts For Temperature Switch - Siemens SINAMICS S120 Equipment Manual

2.9.3.5

X121 alarm contacts for temperature switch

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. The fan can be switched off by applying 24 V (against M).
Booksize Power Units
Equipment Manual, (GH2), 07/2007, 6SL3097-2AC00-0BP5
Designation
+Temp
-Temp
Disable Fan +24V
Disable Fan M
2
2.9 Active Interface Modules (internal cooling)
Technical specifications
Rated current at cosφ 1: 2.5 A (max. 5 A)
Voltage: 12 - 250 V (12 - 100 V
AC
Temperature switch output
Temperature switch output
The fan can be disabled. The fan should only be
switched off while the Active Line Module is disabled.
Line Connection Booksize
)
DC
79