INSTALLATION ST100 Series Flow Meter
16 Fluid Components International LLC
Instrument Wiring
The flow transmitter can be powered by 85 – 265 Vac or 24 Vdc as specified in the instrument specification. The electronics cannot be configured to
switch between AC and DC power. For 220/265 Vac installations, a neutral reference circuit must be used.
All cable glands and conduit fittings must meet or exceed the area approval rating where the instrument is being installed.
The recommended instrument wiring routing is shown in Figures 12 and 13.
Figure 12
DC powered instruments require a ferrite to be installed on the input power wires to meet the EMC directive 2004/108/EC. Refer to the ferrite instal-
lation instructions in Appendix C, page 83 for details.
Figure 11
C01001-1-2
CUSTOMER
SIGNAL OUTPUT
CABLE
REMOTE TRANSMITTER
INTERCONNECTING CABLE
POWER SUPPLY
CABLE
C01247-2-1
ST100 SERIES
TRANSMITTER
2x M4 SCREWS
(FCI PROVIDED)
2x 1/4"-20
U BOLTS, SST
OPTIONAL STAINLESS STEEL BRACKET
4x 1/4" HEX NUT
2" PIPE
(4.25)
(9.25)
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