User manual
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Section 2 MC-III™ EXP Flow Analyzer
Turbine Flowmeter (TFM) Input
The TFM input provides the turbine owmeter input signal generated by a magnetic pickup, enabling the MC-
III EXP to calculate and display instantaneous ow rates and accumulated totals.
6
-
3
0
V
D
C
TB1
PULSE
INPUT
RESET
INPUT
TFM
A&S
GND
TB
3
EXT POWER
TURBINE
MAGNETIC PICKUP
V
MAX
= 3.9 V
J1
J2
RESET
SWITCH
BATTERY
A
B
Figure 2.9—Flowmeter input wiring
Pulse Input
The pulse input provides an optically isolated input in systems where a preamplier is inserted between the
sensor and the MC-III EXP.
TB
3
TB1
PULSE
INPUT
RESET
INPUT
TFM
A&S
GND
EXT POWER
6
-
3
0
V
D
C
J1
J2
RESET
SWITCH
BATTERY
PULSE INPUT
3 TO 30 VDC
Figure 2.10—Pulse input wiring