EN

Incremental encoders
Through hollow shaft ø20 to ø27 mm
2000…10000 pulses per revolution
ITD 41 A 4 Y79
Features
–– Encoder with through hollow shaft ø20...27 mm
–– Up to 10000 pulses per revolution
–– Optical sensing method
–– Mounting by torque support
–– TTL or HTL output signals
–– Cable output radial
Optional
–– Cable with connector
–– Extended operating temperature range
Technical data - mechanical design
Voltage supply
Size (flange)
ø80 mm
Shaft type
ø20 mm (through hollow shaft)
ø22 mm (through hollow shaft)
ø25 mm (through hollow shaft)
ø27 mm (through hollow shaft)
Motor shaft tolerance
0.25 mm axial
0.1 mm radial
Mounting kit
050
Protection DIN EN 60529
IP 65
Operating speed
≤5000 rpm
≤3000 rpm IP 65 (>70 °C)
Starting torque
≤0.015 Nm (+20 °C)
Materials
Housing: aluminium, black,
powder-coated
Shaft: stainless steel
Operating temperature
-20...+70 °C
-20...+100 °C
Relative humidity
90 % non-condensing
Resistance
DIN EN 60068-2-6
Vibration 10 g, 55-2000 Hz
DIN EN 60068-2-27
Shock 30 g, 11 ms
Connection
Cable 1 m
Weight approx.
580 g
5 VDC ±5 %
8...30 VDC
Reverse polarity protection Yes
Consumption w/o load
≤100 mA
Pulses per revolution
2000...10000
Reference signal
Zero pulse, width 90°
Sensing method
Optical
Output frequency
≤300 kHz (TTL)
≤160 kHz (HTL)
Output signals
A, B, N + inverted
Output stages
TTL linedriver (short-circuit
proof)
HTL push-pull (short-circuit
proof)
Interference immunity
DIN EN 61000-6-2
Emitted interference
DIN EN 61000-6-3
1
www.baumer.com/motion
6/3/2015
Technical data - electrical ratings
Subject to modification in technic and design. Errors and omissions excepted.
ITD 41 A 4 Y79 with through hollow shaft
Incremental encoders
Through hollow shaft ø20 to ø27 mm
2000…10000 pulses per revolution
ITD 41 A 4 Y79
Part number
ITD 41 A 4 Y79
NI
KR1
050
Mounting kit
050 Mounting kit 050
IP54
IP65
20
22
25
27
Protection
IP 54
IP 65
Through hollow shaft
ø20 mm
ø22 mm
ø25 mm
ø27 mm
Operating temperature
S -20...+70 °C
E -20...+100 °C
Connection
KR1 Cable 1 m, radial
Output signals
NI A, A inv, B, B inv, 0, 0 inv
Voltage supply / signals
T 5 VDC / TTL level, linedriver
H 8...30 VDC / HTL level, push-pull
R 8...30 VDC / TTL level, linedriver
Pulse number - see table
2500
3072
3600
4096
5000
10000
2
www.baumer.com/motion
6/3/2015
2000
2048
Subject to modification in technic and design. Errors and omissions excepted.
Pulse number
Incremental encoders
Through hollow shaft ø20 to ø27 mm
2000…10000 pulses per revolution
ITD 41 A 4 Y79
Output signals
Terminal assignment
Clockwise rotation when looking at the mounting side.
Core colour
Assignment
brown
Track A
green
Track A inv.
Track A
grey
Track B
pink
Track B inv.
Track A
red
Track N
black
Track N inv.
NI-Output signals
Track B
Track B
brown 0,5 mm2
UB
white 0,5 mm
GND
2
blue
UB-Sense
white
GND-Sense
transparent
Shield/Housing
90°
Track N
90°
Linedriver
Output level High
≥2.4 V
Output level Low
≤0.5 V
Load
≤70 mA
Outputs
Push-pull short-circuit proof
Output level High
≥UB -3 V
Output level Low
≤1.5 V
Load
≤70 mA
Dimensions
45
ø80
observe position!
(hollow shaft
cutout of
clamping ring)
30
32
57
~ 22
M4
min. 30
9.5
cylinder
head screw
DIN 912M4x12
A/F3
tightening
torque
max. 2.2 Nm
d H6
d g6
mounting side
(proposition)
2 spacers
mounting
kit 050
(standard)
7
flexible
torque
support
4.5
cable, radial
KR...
3
20
026- 5 Y79
www.baumer.com/motion
6/3/2015
Track N
Subject to modification in technic and design. Errors and omissions excepted.
Trigger level
Outputs
Incremental encoders
Through hollow shaft ø20 to ø27 mm
2000…10000 pulses per revolution
4
www.baumer.com/motion
6/3/2015
Subject to modification in technic and design. Errors and omissions excepted.
ITD 41 A 4 Y79