112
FLOWSIC100 Flare-XT · Operating Instructions · 8023761/V1-0/2020-10 · © SICK Engineering GmbH
Installation Interface Unit
6.5.6
Connection area for field-side wiring
Fig. 66
Terminal blocks
Table 10
Terminal assignment of the terminal blocks
Terminal
No.
Short name
Function
Comment
Conductor size
Ground symbol
Grounding
Connected with GND
0.5 … 2.5 mm
2
1
L1
Phase conductor
Optional - AC variant
2
N
Neutral conductor
Separator / partition plate
3
GND
Minus pole - DC
Variant-dependent wiring
DC variant
– Connection of ext. power supply unit
– Routing of external power supply to
FLSE100-XT sender/receiver units
AC variant:
– Internal 24 VDC power supply unit is
connected
– Connection of external. FLSE100-XT
sender/receiver units for their power supply
GND is connected electrically with the exterior
ground terminal
0.5 … 2.5 mm
2
4
5
DC power
Positive pole - DC
6
7
RS485-A1
Serial interface
Installation option for connection of two
FLSE100-XT sender/receiver units,
connection from P3 to the terminal blocks
must be made on-site
8
9
RS485-B1
10
