Page 1
Product data sheet
DFS25A-B2PBN065536
DFS2x
INCREMENTAL ENCODERS
Page 2
A
B
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DFS25A-B2PBN065536 | DFS2x
INCREMENTAL ENCODERS
Ordering information
Type Part no.
DFS25A-B2PBN065536 1074285
Other models and accessories www.sick.com/DFS2x
Illustration may differ
Detailed technical data
Performance
Pulses per revolution
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
Programmable/configurable
Electrical data
Connection type
Power consumption
Supply voltage
Output frequency
Reference signal, number
Reference signal, position
Code sequence
1)
Zero set possible.
65,536
±90° electronically/ppr
±0.002°
±0.3°
1)
40ms
Incremental
TTL
HTL
✔
Cable, 9-wire, radial, 5m
0.7W (without load)
4.75... 30V
820kHz
1
180°, Degree Marker Gated with A
Counterclockwise
1)
Mechanical data
Mechanical design
Shaft diameter
Weight
Start up torque
2 ENCODERS | SICK Product data sheet | 2019-12-14 10:16:14
Solid shaft, servo flange 2.5"
3/8"
0.4kg (maximum)
0.5Ncm (+20°C)
Subject to change without notice
Page 3
DFS25A-B2PBN065536 | DFS2x
INCREMENTAL ENCODERS
Operating torque
Permissible shaft loading radial/axial
Operating speed
Moment of inertia of the rotor
Bearing lifetime
Angular acceleration
Ambient data
EMC
Enclosure rating
Permissible relative humidity
Operating temperature range
Storage temperature range
Resistance to shocks
Resistance to vibration
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
0.3Ncm (+20°C)
40N (axial)
80N (radial)
9,000min⁻¹
15gcm²
3.6x 10^9 revolutions
≤500,000rad/s²
According to EN61000-6-2 and EN61000-6-3
IP65 (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
2019-12-14 10:16:14 | Product data sheet
Subject to change without notice
ENCODERS | SICK 3
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A
B
C
D
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F
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3X 8-32 UNC
4.8
0.19
EQUALLY SPACED
47.63
1.875
SERVO FLANGE
2.54
0.10
63.50
2.50
58.67
2.31
B
2.54
0.10
1.27
0.05
28.30
1.11
50
1.97
31.70 ±0.03
1.248 ±0.001
9
0.35
19.05
0.75
63.50
2.50
M12X1
CONNECTOR
C
38.50
1.52
MIL CONNECTOR
PER PART
NUMBER
50
1.97
55.73
2.19
28.30
1.11
CABLE
A
4.35
0.17
29.84 ±0.64
1.17 ±0.03
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
DFS25A-B2PBN065536 | DFS2x
INCREMENTAL ENCODERS
Dimensional drawing (Dimensions in mm (inch))
PIN assignment
4 ENCODERS | SICK Product data sheet | 2019-12-14 10:16:14
Subject to change without notice
Page 5
Maximum revolution range
65536
61440
57344
53248
49152
45056
40960
36864
32768
28672
24576
20480
16384
12288
8192
4096
Maximum revolution range
Signal outputs
DFS25A-B2PBN065536 | DFS2x
INCREMENTAL ENCODERS
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.
2019-12-14 10:16:14 | Product data sheet
Subject to change without notice
ENCODERS | SICK 5
Page 6
A
B
C
D
E
F
H
I
J
K
L
M
N
O
P
Q
R
S
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DFS25A-B2PBN065536 | DFS2x
INCREMENTAL ENCODERS
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.
Recommended accessories
Other models and accessories www.sick.com/DFS2x
Brief description Type Part no.
Programming and configuration tools
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
6 ENCODERS | SICK Product data sheet | 2019-12-14 10:16:14
Subject to change without notice
Page 7
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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