Honeywell Fusion4 MSC-L - Page 81

System Description - Input Functions
Part No.: 4418309_Rev09 Fusion4 MSC-L
Honeywell Installation & Operation Manual 3 - 45
FIGURE 3-27 Dual-Pulse Input connections
NOTE: The connector CN135 used in the illustration refers
to the connector on the backplane that connects to
QPI1. It is only an example.
1
CAN-ARM-MSC
Flowmeter with NPN open
collector outputs
F
+12Vdc_ext +5V
0V
RR
3
6
2
5
CN135
METER POWER
PULSE A
PULSE B
COMMON
Namur Flow meter connected
through external barrier with NPN
open collector-emitter outputs
1
+12Vdc_ext +5V
0V
RR
3
6
2
5
CN135
PULSE A
PULSE B
COMMON
COMMON
for example, Tuthill FPP – TS Series
or Monoblock 10-31558
Pulse B is omitted for single pulse
flowmeters
for example, Stahl 9170 series
External equipment
CAN-ARM-MSC
External equipment
or