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Panasonic Tachometer DVOP001 Operating Manual

Panasonic tachometer operating manual.
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5. Options
Tachometer (DVOP001)
This tachometer is especially designed to operate with our speed
controller so that it can provide easier displaying of motor speed.
TM
Motor
Pink
4
Pink TG
5
Pin No.
max40
8 ±1
65
8.5
12.2
<Precautions>
· Connect the tachometer in parallel with the tachometer generator (TG).
· If the tachometer (TM) requires longer connection cable, use shielded
twisted pair cable. Don't ground shielding of the cable.
· Accuracy of tachometer readings will depend on variation in motor
performance and operating environment (temperature and noise). The
tachometer should be used as a rough indicator.
Unit: mm
2–ø3.5 hole
48 ±0.3
Panel cutout drawing
Input terminal
Potentiometer
for calibration
2–M3
48
Mounting
screw
– 28 –
<Note>
Calibrate the scale of the tachometer (TM) from the potentiometer on
the rear panel.
1. While running the motor at its full rotation speed without load,
adjust to 1450 min
-1
if power supply is at 50 Hz, or 1750 min
60 Hz.
2. Monitor the output signal of the TG on an oscilloscope and
determine the frequency. And adjust:
rotating speed N (min
-1
) = 5 x f (Hz)
Caution: Since the circuit is not isolated from the power supply,
use an insulated tool such as an insulated screwdriver to protect
against electric shock.
External braking resistor (DVOP003)
5.6 Ω 10W
ø3.8
3
12
33 ±3.0
0.5
48 ±2
<Precautions>
The resistance of DVOP003 is 5.6 Ω. When using commercially available
resistor, choose 4.7-6.8 Ω, 10 W or larger.
Unit: mm
4.8 ±0.5
(ø2.5)
(0.6)
– 29 –
-1
if

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   Summary of Contents for Panasonic Tachometer DVOP001

  • Page 1 5. Options Tachometer (DVOP001) This tachometer is especially designed to operate with our speed controller so that it can provide easier displaying of motor speed. 2–ø3.5 hole Motor Pink Pink TG Pin No. max40 8 ±1 2–M3 12.2 Mounting screw <Precautions>...
  • Page 2 5. Options Spark killer (DVOP008) 0.1 µ F 120 Ω 20.5 ±0.5 16.5 ±1 <Precautions> The capacitance of capacitor in the DVOP008 is 0.1 F and the resistance of the internal resistor is 120 Ω. When using commercially available spark killer, choose one consisting of the following parts: R1 = 10 –...

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