X12 Fan Connection; X21 Ep Terminals - Siemens Sinamics S120 Manual

4.3.2.3

X12 fan connection

Active Line Modules 80 kW and 120 kW are equipped with an interface for connecting the
sub-chassis fan. The interface is located on the underside of the Line Module.
Table 4- 14 X12 fan connection
Terminal
1
2
4.3.2.4

X21 EP terminals

Table 4- 15 X21 EP terminal / temperature sensor
Terminal
1
2
3
4
Type: Screw terminal 1 (Page 755)
Max. cross-section that can be connected: 1.5 mm
The temperature sensor type and the temperature output can be selected by parameter (see the SINAMICS S120/S150
1)
List Manual).
Temperatures are detected but not evaluated in the Active Line Module.
2)
Terminals X21.1 and X21.2
When using an Active Interface Module, the temperature output of the Active Interface
Module must be connected at terminals X21.1 and X21.2.
Booksize Power Units
Manual, (GH2), 04/2014, 6SL3097-4AC00-0BP6
Function
Fan connection +
Fan connection -
Designation
+ Temp
- Temp
EP +24 V (pulse enable)
EP M (Enable Pulses)
2
4.3 Active Line Modules with external air cooling
Technical data
Voltage 48 V DC for the supplied fan
Technical data
Temperature sensors : KTY 84–
1)
1C130 /PTC /bimetallic switch with NC contact
2) 2)
If an Active Interface Module is used, the temperature
input must be connected to the Active Interface Module
sensor (bimetallic switch with NC contact).
Voltage: 24 V DC
Current consumption: 10 mA
Isolated input
Signal propagation times:
L → H: 100 μs
H → L: 1000 μs
Line Modules Booksize
179