GT 9

Tachogenerators
Blind hollow shaft ø12-16 mm or cone shaft ø17 mm (1:10)
Housing ø89 mm, bearingless configuration
GT 9
Features
–– Low response time
–– Open circuit voltage 10...20 mV per rpm
–– Blind hollow shaft ø12-16 mm or cone shaft ø17 mm
(1:10)
–– High signal quality due to patented LongLife
technology
–– No auxiliary energy source required
Technical data - mechanical design
Reversal tolerance
≤0.1 %
Size (flange)
ø89 mm
Linearity tolerance
≤0.15 %
Shaft type
Temperature coefficient
±0.05 %/K (open-circuit)
ø12...16 mm (blind hollow shaft)
ø17 mm (cone shaft 1:10)
Isolation class
B
Protection DIN EN 60529
IP 00, IP 44 (with cover)
Calibration tolerance
±5 %
Torque
0.35 Ncm
Climatic test
Humid heat, constant
(IEC 60068-2-3, Ca)
Rotor moment of inertia
0.95 kgcm²
Materials
Performance
0.3 W (speed ≥5000 rpm)
Housing: stainless steel / plastic
Shaft: stainless steel
Armature-circuit
time-constant
<9 µs
Operating temperature
-30...+130 °C
Resistance
Open-circuit voltage
10...20 mV per rpm
Interference immunity
EN 61000-6-2
Emitted interference
EN 61000-6-3
IEC 60068-2-6
Vibration 10 g, 10-2000 Hz
IEC 60068-2-27
Shock 100 g, 6 ms
Approval
CE
Weight approx.
0.6 kg
Connection
Plug-in terminals
1
www.baumer.com/motion
10/12/2014
Technical data - electrical ratings
Subject to modification in technic and design. Errors and omissions excepted.
GT 9
Tachogenerators
Blind hollow shaft ø12-16 mm or cone shaft ø17 mm (1:10)
Housing ø89 mm, bearingless configuration
GT 9
Part number
Accessories
GT9.06L/4
Mounting cone
Carbon brushes
Design
- Cylindrical shaft
K Cone shaft
Open-circuit voltage
10 10 mV per rpm
20 20 mV per rpm
Data according to type
Off-load
voltage
Type
Minimum load required depending
on speed range [rpm]
Armature
resistance
Armature
inductance
0-3000
0-6000
0-nmax
RL
[kΩ]
RL
[kΩ]
RL
[kΩ]
nmax
[rpm]
R A (20°C)
[Ω]
LA
[mH]
≥5
≥20
≥12
≥48
≥27
≥108
9000
9000
105
370
40
169
U0
[mV/rpm]
GT9.06L/410
GT9.06L/420
Maximum
operating speed
10
20
Superimposed ripple (for τRC = 0.3 ms):
≤0.5% (peak-peak)
≤0.25% (rms)
Replacement switching diagram
U(n)
U0 (n)
2A1
U(n)
Tachogenerator
R
RL
n
-n
C
2A2
-U(n)
τRC≈R·C
LA
τA≈
RL
Polarity for positive rotating direction:
U(n) = U0 (n)
2A1: +
RL
≈ U0 (n) for R > R L >> R A
R A + RL
2A2: - (VDE)
2
www.baumer.com/motion
Subject to modification in technic and design. Errors and omissions excepted.
LA
10/12/2014
RA
Tachogenerators
Blind hollow shaft ø12-16 mm or cone shaft ø17 mm (1:10)
Housing ø89 mm, bearingless configuration
GT 9
Dimensions
GT 9.06 - cylinder shaft design
Positive rotating
direction
ø
ø
ø
ø
ø12-16H7
Option:
cover
ø
View without cover
HM89M22028
GT 9.06 K - cone shaft design
Option:
cover
HM82M19117
3
www.baumer.com/motion
Subject to modification in technic and design. Errors and omissions excepted.
ø
ø
View without cover
10/12/2014
ø
ø
ø
ø
ø
ø
Positive rotating
direction
Tachogenerators
Blind hollow shaft ø12-16 mm or cone shaft ø17 mm (1:10)
Housing ø89 mm, bearingless configuration
4
www.baumer.com/motion
10/12/2014
Subject to modification in technic and design. Errors and omissions excepted.
GT 9