Flo-tech F6750 Series Manuel - Page 2

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Signal Wiring, F6600 / F6650 and F6700 / F6750 Series Displays
WIRING THE F6600 / F6650 SERIES DISPLAYS
The frequency signal from the Flo-tech FSC, FSB, and FSD series turbines is connected to the display using one of the
F2832 series cables. The Flo-tech Ultima sensor is connected using the F6234 series cables.
FSB, FSC*, and FSD Sensors
Connect the BLACK wire of the F2832 cable to terminal 5 (INPUT A) and the CLEAR wire to terminal 4 (COMM) on the F6600 series display.
See
Figure
1.
* Some require the use of the F5140 K-Factor Scaler to ensure adequate signal strength to the display.
Ultima Sensors*
Connect the RED wire of the F6234 cable to terminal 5 (INPUT A) and the BLACK wire to terminal 4 (COMM) on the F6600 series display. See
Figure
1. The WHITE wire is not used.
* Some require the use of the F5140 K-Factor Scaler to ensure adequate signal strength to the display.
A -
B -
1 - N/C (WHITE)
2 -
3 - + (RED)
WIRING THE F6600 / F6650 SERIES DISPLAYS (WITH F5140 K-FACTOR SCALER)
The Flo-tech FSC-375, F6202-F, and F6222-F turbines require the F5140 K-Factor Scaler to amplify the millivolt sensor output for transmission
to the F6600 series display. The turbines produce a low level signal so it is important to keep the F5140 K-Factor Scaler as close to the flow
sensor as possible. Close proximity will minimize signal interference and help eliminate erratic readings.
1. Feed the terminal end of the F2832 or F6234 cable through the wire bushing on the F5140. Insert the three-wire (customer supplied)
cable that will be used to bring power and return the output signal to the F6600 series readout. Tighten the wiring bushing.
2. Connect the BLACK wire from the F2832 or the RED wire from the F6234 cable to terminal 5 of the F5140 K-Factor Scaler. Connect the
CLEAR wire from the F2832 or the BLACK wire from the F6234 cable to terminal 6 of the F5140 K-Factor Scaler. See
Page 2
Top of
F2832 Cable
+ (BLACK)
- (CLEAR)
B
A
2
- (BLACK)
1
3
Top of
F6234 Cable
Figure 1: Flo-tech frequency output wiring
F6600 / F6650
Series Display
1 2 3 4 5 6
7 8 9 10 11
Output
Common
+ 12 VDC
CABLE ASSEMBLY
F2832-XX
CABLE ASSEMBLY
F6234-XX
Figure 2: Flo-tech frequency output wiring using F5140 K-factor scaler
SGN-UM-00979-EN-08
1 2 3 4 5 6
CABLE ASSEMBLY
F2832-XX
(CLEAR)
(BLACK)
CABLE ASSEMBLY
F6234-XX
(BLACK)
(RED)
(WHITE) N.C.
PROGRAMMING
PORT
INTERNAL
3.6K PULL-UP
- OUTPUT
RESISTOR
+ OUTPUT
JUMPER
- VIN
+ VIN
8.5 - 30 VDC
TURBINE
PICK UP
K-FACTOR SCALER
INPUT 8.5 - 30 VDC
MAX INPUT CURRENT: 18 mA
3 Wire Cable
(Customer Supplied)
Top of
F2832 Cable
B A
Top of
2
F6234 Cable
1
3
F6600 / F6650
Series Display
7 8 9 10 11
-
+
-
+
Figure
K-FACTOR SCALER
F5140
S.N. 12345
A -
+ (BLACK)
B -
– (CLEAR)
1 - N/C (WHITE)
2 -
– (BLACK)
3 -
+ (RED)
2.
July 2016