PU Series Pickup Installation
The PU series pickup is an economical way to monitor motor speed. Its patented design provides for
ease of installation in otherwise diffi cult to reach areas. The PU operates from a +5V power supply,
producing a 5 volt square wave whose frequency is proportional to speed. This signal is fed into the
DM8000 control as a speed or position reference for the microprocessor.
washer
10-32
screw
dust
magnet
cover
disc
black wire
common
No other mounting screws are necessary, as the cord
will keep the unit from rotating.
Caution: The PU cord should not be grouped with other wires or cords. For applications with PU wire
over 6 feet long, or noisy environments, a shielded cable is recommended. Connect the shield to the
common terminal on the DM8000, leaving the shield on the PU end fl oating.
Electrical Installation & Diagrams
P1 Terminal Block Wiring Diagram
DM8000
HOOK-UP
* Used for various functions, including quadrature counter mode.
PU
bearing
tapped
flat
motor
shaft
3/16"
spacer
red wire
+5 volts
white wire
signal
NC2
P1-1
C2
P1-2
NO2
P1-3
NC1
P1-4
C1
P1-5
NO1
P1-6
N
P1-7
L
P1-8
COM
P1-9
+5V
P1-10
S1
P1-11
S2
P1-12
PU-2E / PU-2R
PU-4E / PU-4R
PU-20E / PU-20R
PU-20EQUAD
PU-40E / PU-40R
1.60
}
Alarm Output 2 - Normally Closed
Alarm Output 2 - Common
Alarm Output 2 - Normally Open
}
Alarm Output 1 - Normally Closed
Alarm Output 1 - Common
Alarm Output 1 - Normally Open
AC NEUTRAL
AC LINE INPUT
2 Amp
AC LINE
AC LINE INPUT
COMMON
black
red
+5VDC
SIGNAL 1
white
SIGNAL 2
*
5
Model
Pulses per
Number
Revolution
1
2
10
10
20
Dimensions
.875
2.40
72.00
Form C Relay Output (Programmable)
-R Optional Relay Output
Form C
Relay Output
(Programmable)
}
85-250VAC
PICK-UP MOUNTED
TO MOTOR SHAFT
(Mounts on rotating
end shaft with 10-32
tapped hole, 1/2" deep)
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