GF SIGNET 9900 Bedienungsanleitung Seite 8

Sensor Wiring
NOTE:
Loop Power can be used ONLY for the following sensors:
515/8510, 525, 2250, 2350, 2450, 2536/8512, 2540 and
8058; all other measurement sensors require DC power.
Wiring for:
515/8510 525
FLOW
2000 2100
Wiring for:
2537-5
• Signet recommends installing the digital (S
model (2537-5) because digital (S
• See 2537 instruction manual for additional installation
information.
8 9900 Transmitter Start-Up Guide
2536/8512 2540
2507
FLOW
-
Blk Red Shld +
S1
3
L) is more accurate.
Frequency
Black
Red
Shield
3
9900 S L Inputs
S2
Black
Red
White
3
L) output
Technical Notes:
• See corresponding
product manuals for
maximum cable length.
• Maintain cable shield
through cable splice.
• Route sensor cable
away from AC power
lines.
• 515/8510 and 525
installations, connect
the silver (shield)
wire to earth ground
in case of EMI noise
interference.
Technical Notes:
• Wiring terminals on the
2537 are rated for 16 to
22 AWG conductors.
• The cable must be
7 mm to 10 mm in
diameter (0.275 in.
to 0.394 in.) to seal
properly in the liquid
tight connector.
• The conduit ports
have ½ inch NPT
threads. After routing
the cables, seal the
port with a liquid tight
conduit connector
(3-9000.392-1) or
with conduit.
• The 2537 models can
connect to the 9900
via a relay frequency
signal or with a digital
(S L) output.
3