EN

Encoders without bearings - incremental
Through hollow shaft ø60 to ø85 mm
1000…2500 pulses per revolution
ITD 75 A 4
Features
–– Encoder with through hollow shaft max. ø85 mm
–– Max. 2500 pulses per revolution
–– Optical sensing
–– Mounting hole circle ø162 mm
–– TTL or HTL output signals
–– Without own bearings
–– Cable output radial
Optional
–– Cable with connector
Technical data - mechanical design
Voltage supply
Size (flange)
ø150 mm
Motor shaft tolerance
0.2 mm axial
0.2 mm radial
Shaft type
ø60...85 mm (through hollow
shaft)
Protection DIN EN 60529
IP 54
Operating temperature
-20...+70 °C
Operating speed
≤3000 rpm
Resistance
DIN EN 60068-2-6
Vibration 10 g, 55-2000 Hz
DIN EN 60068-2-27
Shock 100 g, 11 ms
Materials
Housing: aluminium
Shaft: aluminium
Relative humidity
90 %
Connection
Cable 1 m
Weight approx.
1500 g
5 VDC ±5 %
8...30 VDC
Consumption w/o load
< 100 mA
Sensing method
Optical
Pulses per revolution
1000...2500
Output stages
TTL linedriver (short-circuit
proof)
HTL push-pull (short-circuit
proof)
Output signals
A, B, N + inverted
Reference signal
Zero pulse, width 90°
Output frequency
≤120 kHz
Reverse polarity protection Yes
Interference immunity
DIN EN 61000-6-2
Emitted interference
DIN EN 61000-6-3
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Technical data - electrical ratings
Subject to modification in technic and design. Errors and omissions excepted.
ITD 75 A 4 with through hollow shaft
Encoders without bearings - incremental
Through hollow shaft ø60 to ø85 mm
1000…2500 pulses per revolution
ITD 75 A 4
Part number
ITD 75 A 4
KR1
S
IP54
Protection
IP54 IP 54
60
65
70
75
80
85
Through hollow shaft
ø60 mm
ø65 mm
ø70 mm
ø75 mm
ø80 mm
ø85 mm
Operating temperature
S -20...+70 °C
Connection
KR1 Cable 1 m, radial
Output signals
BI A, A inv, B, B inv
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
Pulse number
2048
2500
Subject to modification in technic and design. Errors and omissions excepted.
1024
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4/3/2014
1000
Encoders without bearings - incremental
Through hollow shaft ø60 to ø85 mm
1000…2500 pulses per revolution
ITD 75 A 4
Output signals
Terminal assignment
Clockwise rotation when looking at the mounting side.
Core colour
Assignment
green
Track A
brown
Track A inv.
Track A
grey
Track B
black
Track B inv.
Track A
pink
Track N
white
Track N inv.
red
UB
blue
GND
yellow
UB-Sense
violet
GND-Sense
transparent
Shield/Housing
BI-Output signals
Track B
90°
Track B
NI-Output signals
Trigger level
Track A
Track A
Track B
Track B
Outputs
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
90°
Track N
Track N
3
www.baumer.com/motion
4/3/2014
Subject to modification in technic and design. Errors and omissions excepted.
90°
Encoders without bearings - incremental
Through hollow shaft ø60 to ø85 mm
1000…2500 pulses per revolution
ITD 75 A 4
Dimensions
(60)
53
7±0.1
eccentric disc
type C
material-no.: 11064324
(accessory)
°
ø5.2
cable,
radial,
... m
KR...
~1
6
d H6
ø150±0.1
ø143
ø120H6
ø1
62
2 set screws
DIN 916 - M5x5
A/F2.5
tightening torque
max. 3 Nm
(displaced 120°)
60
3
4
Subject to modification in technic and design. Errors and omissions excepted.
025- 6
4
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4/3/2014
4