Terminal number
Description
Wire color (Siemens cable)
1
15 V
Orange
2
0 V
Yellow
3
RS-485 / B
White
4
RS-485 / A
Blue
• Only use cables with at least the same degree of protection as the sensor to install the sensor.
It is recommended to use cables supplied by Siemens.
• Siemens supplied cables can be ordered with M12 plug on one or both ends or without plug.
• To guarantee the IP67 degree of protection, ensure that both ends of the cables are given
equivalent protection from ingress of moisture.
• For further information on Siemens-supplied cables, see Technical data (Page 107).
WARNING
Cable requirements
Cables must be suitable for the temperature (at least 70 °C) and be flammability-rated to at
least V-2.
A: Prepare the cable by stripping it at both ends.
PP
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Figure 5-1
Cable end
B: Connect wires within the sensor terminal compartment
1. Remove the lock screw and remove the lid.
2. Undo the flexible strap.
3. Disconnect the sensor connection (white plug) from the electronic.
4. Loosen the mounting screw using a TX10 Torx driver and remove the electronic from the
housing.
5. Remove the cap and the ferrule from the cable gland and slide onto the cable.
6. Push the cable through the open gland and anchor the cable shield and the wires with the
clamp bar.
7. Remove the terminal block from the electronic.
Connecting
5.3 Connecting MASS 2100/FC300
SITRANS MASS 2100 & FC300 (FCT010/DSL)
Operating Instructions, 06/2020, A5E39788682-AB
45