Precision Digital Corporation ProtEX-MAX PD8-6300, Instruction Manual

Page: 27 / 64

PD8-6300 Pulse Input Rate/Totalizer, Counter & Tachometer
Instruction Manual
27
Signal Connections
Signal connections are made to a six-terminal
connector labeled SIGNAL. The COM (common)
terminal is the return for the input signals.
The following figures show examples of signal
connections.
Setup and programming is performed through the
programming buttons or MeterView Pro software.
Figure 8: Flowmeter Powered by Internal Power
Supply
Figure 9: Flowmeter Powered by External Supply
Figure 10: Self-Powered Magnetic Pickup Coil
Flowmeter
Figure 11: NPN open Collector Input
Figure 12: PNP Sensor Powered by Internal
Supply
Figure 13: Switch Input Connections
Flowmeter
(Pulse Output)
P- COM P+ S+ S-
3 4 1 2 5
F4
6
mV PNP NPN
SWITCH
INPUT SIGNAL
External
Power
Supply
Flowmeter
(Pulse Output)
+
-
P- COM P+ S+ S-
3 4 1 2 5
F4
6
INPUT SIGNAL
mV PNP NPN
SWITCH
Flowmeter
(Magnetic
Pickup Coil)
P- COM P+ S+ S-
3 4 1 2 5
F4
6
INPUT SIGNAL
mV PNP NPN
SWITCH
NPN
SENSOR
4.7 k-ohm
Internal pull-up
+5 V
P- COM P+ S+ S-
3 4 1 2 5
F4
6
INPUT SIGNAL
mV PNP NPN
SWITCH
PNP
SENSOR
4.7 k-ohm
Internal pull-down
P- COM P+ S+ S-
3 4 1 2 5
F4
6
INPUT SIGNAL
mV PNP NPN
SWITCH
SWITCH
INPUT
4.7 k-ohm
Internal pull-up
+5 V
P- COM P+ S+ S-
3 4 1 2 5
F4
6
INPUT SIGNAL
mV PNP NPN
SWITCH