Cameron NUFLO MC-III, User Manual

Page: 19 / 120

19
MC-III™ Panel Mount Flow Analyzer Section 2
Input Wiring
Turbine Flow Meter (TFM) Input
The TFM input provides the turbine flow meter input signal generated by a magnetic pickup, enabling the
MC-III Panel Mount to calculate and display instantaneous flow rates and accumulated totals.
6-3
0 V
DC
TB1
PU
LS
E
IN
PU
T
RE
SE
T
IN
PU
T
TF
M
A&S
GND
TB
3
EXT POWER
TURBINE
MAGNETIC PICKUP
J1
J2
RESET
SWITCH
BA
TT
ER
Y
A
B
Figure 2.3—Flow meter input wiring
Pulse Input
The pulse input provides an optically isolated input in systems where a preamplifier is inserted between the
sensor and the MC-III Panel Mount.
TB
3
TB1
PU
LS
E
IN
PU
T
RE
SE
T
IN
PU
T
TF
M
A&S
GND
EXT POWER
6-3
0 V
DC
J1
J2
RESET
SWITCH
BA
TT
ER
Y
PULSE INPUT
3 TO 30 VDC
Figure 2.4—Pulse input wiring
For a list of recommended pickup adapters,
see the parts list on 92 .
Vturbine max = 5.0 Vdc or peak
Voc = 1.0 Vdc
Isc = 5.0 mA max
Ca = 30 µF max
La = 2 H max