DC Tacho DCT 22 0.52 Volt
Important Information • Tacho with moving coil, maxon system. • Tacho with precious metal commutation. • To establish total inertia add motor and tacho inertias. • With the output shaft turning CW as seen from the mounting surface, the tacho output voltage will be positive at the + terminal. • A high impedance load is recommended at tacho terminals. • The tacho current should be kept low. • The indicated resonance frequency refers to the motor-tacho rotor system.
Stock program Standard program Special program (on request)
Part Numbers
118909
118910
Type
Shaft diameter (mm)
3
4
overall length
overall length
Modular System + Motor
+ Gearhead
Page
Page
Overall length [mm] / • see Gearhead
RE 25 RE 25 RE 25 RE 25 RE 25 RE 25
154/156
76.8
154/156 GP 26, 0.75 - 4.5 Nm 437 154/156 GP 32, 0.75 - 4.5 Nm 439/440 154/156 GP 32, 1.0 - 6.0 Nm 443 154/156 KD 32, 1.0 - 4.5 Nm 450
• • • • • • • • • • •
154/156 GP 32 S
478-486
RE 25, 20 W 155 RE 25, 20 W 155 RE 25, 20 W 155 RE 25, 20 W 155 RE 25, 20 W 155 RE 25, 20 W 155 RE 25, 20 W 155 RE 35, 90 W 159 RE 35, 90 W 159 RE 35, 90 W 159 RE 35, 90 W 159 RE 35, 90 W 159
65.3
GP 22, 0.5 - 1.0 Nm 430 GP 26, 0.75 - 4.5 Nm 437 GP 32, 0.75 - 4.5 Nm 439/440 GP 32, 0.75 - 6.0 Nm 443 KD 32, 1.0 - 4.5 Nm 450 GP 32, 0.75 - 6.0 Nm 439-446 GP 32, 4.0 - 8.0 Nm 447 GP 42, 3.0 - 15 Nm 452 GP 32 S 478-486
89.1
• • • •
GP 32 S
478-486
Technical Data
Connection example
Output voltage per 1000 rpm Terminal resistance tacho Typical peak to peak ripple Ripple frequency per turn Linear voltage tolerance with 10 kΩ load resistance Linear voltage tolerance, 500 to 5000 rpm
0.52 V Max. current
10 mA ± 15 % < 3 gcm² > 2 kHz > 4.5 kHz
37.7 Ω Tolerance of the output voltage ≤ 6 % Rotor inertia (tacho only) 14 Resonance frequency with motors on p. 154 – 156
180 Ω
T
0.1 μ F
1 k Ω
± 0.2 % with motors on p. 159 Temperature range ± 0.7 %
-20 ... +65 °C
Polarity error ± 0.1 % Temperature coefficient of EMF (magnet) -0.02 % /°C Option: Pigtails in place of solder terminals. Temperature coefficient of coil resistance +0.4 % /°C
U AC
Ripple =
x 100 (%)
U DC
Resonance frequency Motor winding-Tacho winding f R ≥ 4 kHz
542 maxon sensor
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