Page 1
Product data sheet
DFS20A-A2P1D065536
DFS2x
INCREMENTAL ENCODERS
Page 2
A
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DFS20A-A2P1D065536 | DFS2x
INCREMENTAL ENCODERS
Ordering information
Type Part no.
DFS20A-A2P1D065536 1073247
Other models and accessories www.sick.com/DFS2x
Illustration may differ
Detailed technical data
Performance
Measuring step
Measuring step deviation
Error limits
Initialization time
1)
Valid positional data can be read once this time has elapsed.
Interfaces
Communication interface
Communication Interface detail
Factory setting
Programmable/configurable
Electrical data
Connection type
Power consumption
Supply voltage
Load current
Output frequency
Reference signal, number
Reference signal, position
Code sequence
Reverse polarity protection
Short-circuit protection of the outputs
±90° electric/pulses per revolution
±0.002° pulses > 10,000
±0.03°
1)
40ms
Incremental
TTL
Factory setting: output level TTL
✔
Male connector, MS, 10-pin, radial
0.7W (without load)
4.75... 30V
30mA
820kHz
1
180°, electric, gated with A
Clockwise
✔
1)
✔
1)
Short-circuit opposite to another channel or GND permissable for maximum 30s.
2)
This product is a standard product and does not constitute a safety component as defined in the Machinery Directive. Calculation based on nominal load of com-
ponents, average ambient temperature 40°C, frequency of use 8760h/a. All electronic failures are considered hazardous. For more information, see document no.
8015532.
2 ENCODERS | SICK Product data sheet | 2020-05-26 18:06:42
Subject to change without notice
Page 3
DFS20A-A2P1D065536 | DFS2x
INCREMENTAL ENCODERS
MTTFd: mean time to dangerous failure
1)
Short-circuit opposite to another channel or GND permissable for maximum 30s.
2)
This product is a standard product and does not constitute a safety component as defined in the Machinery Directive. Calculation based on nominal load of com-
ponents, average ambient temperature 40°C, frequency of use 8760h/a. All electronic failures are considered hazardous. For more information, see document no.
8015532.
330years (ENISO13849-1)
2)
Mechanical data
Mechanical design
Shaft diameter
Shaft length
Weight
Shaftmaterial
Flange material
Housing material
Start up torque
Operating torque
Permissible shaft loading radial/axial
Moment of inertia of the rotor
Bearing lifetime
Solid shaft, Square flange
3/8"
16mm
+0.4kg
Stainless steel 1,4305
Aluminum
Aluminum
0.5Ncm (+20°C)
0.3Ncm (+20°C)
40N (axial)
80N (radial)
15gcm²
3.6x 109revolutions
1)
1)
Relates to encoders with male connector outlet MS.
Ambient data
EMC
Enclosure rating
Permissible relative humidity
Operating temperature range
Storage temperature range
Resistance to shocks
Resistance to vibration
1)
With mating connector fitted.
Classifications
ECl@ss 5.0
ECl@ss 5.1.4
ECl@ss 6.0
ECl@ss 6.2
ECl@ss 7.0
ECl@ss 8.0
ECl@ss 8.1
ECl@ss 9.0
ETIM 5.0
ETIM 6.0
UNSPSC 16.0901
According to EN61000-6-2 and EN61000-6-3
IP65, shaft side (according to IEC60529)
IP67, housing side, male connector connection (according to IEC60529)
90% (Condensation not permitted)
–30°C... +85°C
–40°C... +100°C, without package
100g, 11ms (according to EN60068-2-27)
30g, 10Hz... 2,000Hz (according to EN60068-2-6)
27270501
27270501
27270590
27270590
27270501
27270501
27270501
27270501
EC001486
EC001486
41112113
1)
2020-05-26 18:06:42 | Product data sheet
Subject to change without notice
ENCODERS | SICK 3
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B
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52.4
2.06
52.4
2.06
44.5
1.75
44.5
1.75
4X 40.16
THRU
SQUARE FLANGE
28.3
1.11
7.6
0.30
B
31.70 ±0.03
1.248 ±0.001
44
1.73
9
0.35
50.8
2.00
M12X1
CONNECTOR
49.7
1.96
PER PART
NUMBER
50
1.97
28.3
1.11
CABLE
38.5
1.52
C
18
0.71
MIL CONNECTOR
3.1
0.12
19.1 ±0.5
0.75
±0.02
A
SHAFT OPTIONS
NOMINAL
SHAFT
"A"
FLAT DIM "B"
1/4"
6.327/6.312[.2491/.2485]
5.5[.22]
3/8"
9.507/9.492[.3743/.3737]
8.5[.33]
10MM
9.977/9.962[.3928/.3922]
9[.35]
MIL CONNECTOR OPTIONS
TYPE
DIM "C"
6 PIN
63.9[2.52]
7 PIN
63.9[2.52]
10 PIN
69.4[2.73]
View of the M12 connector on the encoder
A
B
C
D
E
F
G
H
I
J
A
B
C
F
D
E
A
B
C
F
G
D
E
View of the MS connector on the encoder
DFS20A-A2P1D065536 | DFS2x
INCREMENTAL ENCODERS
Dimensional drawing (Dimensions in mm (inch))
DFS20 square flange mount, radial connector outlet M12 and MS, cable outlet
PIN assignment
M12, 8-pin MS, 10-pin MS, 7-pin MS, 6-pin Cable, 9-wire Signal Description
4 ENCODERS | SICK Product data sheet | 2020-05-26 18:06:42
1 H - - Brown AN Signal wire
Dimensional drawings and models for exact configurations can be downloaded from the website.
2 A A E White A Signal wire
3 I - - Black BN Signal wire
4 B B D Pink B Signal wire
5 J - - Yellow ZN Signal wire
6 C C C Purple Z Signal wire
7 F F A Blue GND Us Return
Subject to change without notice
Page 5
DFS20A-A2P1D065536 | DFS2x
65536
61440
57344
53248
49152
45056
40960
36864
32768
28672
24576
20480
16384
12288
8192
4096
INCREMENTAL ENCODERS
M12, 8-pin MS, 10-pin MS, 7-pin MS, 6-pin Cable, 9-wire Signal Description
8 D D B Red Us Supply voltage
- E E - Orange 0-SET Input signal
- G G F - Case Housing potential
- - - - Bare Drain Drain wire
- - - - Braid Screen Cable shield
Maximum revolution range
Maximum revolution range
2020-05-26 18:06:42 | Product data sheet
Subject to change without notice
ENCODERS | SICK 5
Page 6
A
B
C
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DFS20A-A2P1D065536 | DFS2x
INCREMENTAL ENCODERS
Signal outputs
Signal Outputs with Counter Clock-wise Counting Direction Option Selected (B leads A for clock-wise rotation). Complement signals
AN, BN and ZN are not shown.
Cw with view on the encoder shaft in direction "A", compare dimensional drawing.
Signal Outputs with Clock-wise Counting Direction Option Selected (A leads B for clock-wise rotation). Complement signals AN, BN
and ZN are not shown.
Cw with view on the encoder shaft in direction "A", compare dimensional drawing.
6 ENCODERS | SICK Product data sheet | 2020-05-26 18:06:42
Subject to change without notice
Page 7
DFS20A-A2P1D065536 | DFS2x
INCREMENTAL ENCODERS
Recommended accessories
Further accessories
Programming and configuration tools
Other models and accessories www.sick.com/DFS2x
Brief description Type Part no.
Programming unit display for programmable SICK DFS60, DFV60, AFS/AFM60, AHS/AHM36 encoders,
and wire draw encoder with DFS60, AFS/AFM60 and AHS/AHM36. Compact dimensions, low weight, and
intuitive operation.
PGT-10-Pro 1072254
2020-05-26 18:06:42 | Product data sheet
Subject to change without notice
ENCODERS | SICK 7
Page 8
Online data sheet
SICK AG | Waldkirch | Germany | www.sick.com
SICK AT A GLANCE
SICK is one of the leading manufacturers of intelligent sensors and sensor solutions for industrial applica-
tions. A unique range of products and services creates the perfect basis for controlling processes securely
and efciently, protecting individuals from accidents and preventing damage to the environment.
We have extensive experience in a wide range of industries and understand their processes and require-
ments. With intelligent sensors, we can deliver exactly what our customers need. In application centers in
Europe, Asia and North America, system solutions are tested and optimized in accordance with customer
specications. All this makes us a reliable supplier and development partner.
Comprehensive services complete our offering: SICK LifeTime Services provide support throughout the ma-
chine life cycle and ensure safety and productivity.
For us, that is “Sensor Intelligence.”
WORLDWIDE PRESENCE:
Contacts and other locations – www.sick.com
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