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5.6.4
X21 EP terminal / temperature sensor
Table 5-3
X21: EP terminal/
temperature sensor
Connectable cable
cross-sections
Stripped length
The temperature sensor type and the temperature output can be selected by parameter (see the
1)
SINAMICS S120/S150 List Manual).
Accuracy of the temperature measurement (temperature sensor, including evaluation):
2)
Temperatures are detected but not evaluated in the Smart Line Module.
3)
Terminals X21.1 and X21.2 - temperature sensor connection
You can use terminals X21.1 and X21.2 to perform an external temperature measurement.
Terminals X21.3 and X21.4
For operation, the 24 V DC voltage must be connected to terminal X21.3 and ground to terminal
X21.4.
A pulse inhibit is activated when disconnecting the power supply. As a consequence, energy
recovery is deactivated and the bypass relay drops out. If the Smart Line Module is not
disconnected from the line supply when the EP terminal is de-energized, for example, because
a main contactor is not installed, then the DC link remains charged.
Booksize power units
Equipment Manual, 01/2022, 6SL3097-6AC30-0BP0
X21: EP terminal/temperature sensor for 16 kW and 24 kW Smart Line Modules
Terminal
1
2
3
4
Rigid, flexible
Flexible
with end sleeve, without plastic sleeve
With end sleeve, with plastic sleeve
AWG / kcmil
8 mm (0.31 inch)
- Pt1000: ±5 °C (Pt1000 tolerance Class B acc. to DIN EN 60751)
- PTC: ±5 °C
- KTY: ±7 °C
Function
+ Temp
- Temp
EP +24 V (pulse enable)
EP M (Enable Pulses)
Smart Line Modules
5.6 Interface description
Technical specifications
Temperature sensors
:
1)2)
Pt1000
/ PTC
/
3)
3)
KTY84-130
/ bimetallic
3)
switch with NC contact
Voltage: 24 V DC
(20.4 ... 28.8 V)
Current consumption,
typical: 4 mA at 24 V
Isolated input
0.25 ... 1.5 mm
2
0.25 ... 1.5 mm
2 1)
0.25 ... 0.75 mm
2
24 ... 16
61
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