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8. Connect wires to terminals according to list below.
Terminal number
Description
Wire color (Siemens cable)
1
0+
Orange
2
0 V
Yellow
3
RS485 / B
White
4
RS485 / A
Blue
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9. Ensure the DIP switches are all set to OFF.
10.Reinstate DSL cassette including mounting screw.
11.Connect sensor connection and sensor cable plugs.
12.Restore flexible strap around all wires.
13.Assemble and tighten cable gland.
14.Remove O-ring from DSL lid.
15.Reinstate lid and screw in until mechanical stop. Wind back lid by one turn.
16.Mount O-ring by pulling it over the DSL lid and tighten lid until you feel friction from the O-
ring on both sides. Wind lid further by one quarter of a turn to seal on the O-ring.
17.Reinstate and tighten lid lock screw.
18.Close and secure DSL lid including lock screw. Turn the lid until you can feel the friction of
the O-ring. From this point turn the lid ¼ turn to be tight.
Connecting
5.2 Connecting MASS 2100/FC300
MASS 2100 & FC300 (FCT030)
Operating Instructions, 06/2017, A5E39789040-AA
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