Incremental encoders generate information about position, angle, and rotation counts. The resolution is defined in the number of lines or pulses per rotation, which the encoder transmits to the control unit for each rotation. The current position can be determined by the control unit by counting these pulses. A reference run can be necessary when switching on the machine.

Part Number: 1104027
Encoders Model: DBS50E-SKEJ02000
OEM Spec Ref 

Performance

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Pulses per revolution 2,000
Measuring step 90°, electric/pulses per revolution
Measuring step deviation ± 18° / pulses per revolution
Error limits ± 54° / pulses per revolution
Duty cycle ≤ 0.5 ± 5 %

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Interfaces

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Communication interface Incremental
Communication Interface detail HTL / Push pull
Number of signal channels 6-channel
Initialization time < 3 ms
Output frequency ≤ 300 kHz
Load current ≤ 30 mA
Power consumption < 0.5 W (without load)

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Electrical data

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Connection type Cable, 8-wire, universal, 0.5 m
Supply voltage 7 … 30 V
Reference signal, number 1
Reference signal, position 90°, electric, logically gated with A and B
Reverse polarity protection ✔
Short-circuit protection of the outputs ✔ 1)
MTTFd: mean time to dangerous failure 600 years (EN ISO 13849-1) 2)

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1) The short-circuit rating is only given if Us and GND are connected correctly.
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 components, average ambient temperature 40°C, frequency of use 8760 h/a. All electronic failures are considered hazardous. For more information, see document no. 8015532.

 

Mechanical data

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Mechanical design Solid shaft, face mount flange 3xM4
Shaft diameter 8 mm
Shaft length 13 mm
Weight + 180 g (with connecting cable)
Shaft material Stainless steel
Flange material Aluminum
Housing material Aluminum
Material, cable PVC
Start up torque + 0.9 Ncm (+20 °C)
Operating torque 0.6 Ncm (+20 °C)
Permissible shaft loading 30 N (axial)

50 N (radial)
Operating speed 6,000 min⁻¹ 1)
Maximum operating speed 8,000 min⁻¹ 2)
Moment of inertia of the rotor 0.65 gcm²
Bearing lifetime 2 x 10^9 revolutions
Angular acceleration ≤ 500,000 rad/s²

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1) Allow for self-heating of 3.3 K per 1,000 rpm when designing the operating temperature range.
2) No permanent operation. Decreasing signal quality.

 

Ambient data

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EMC According to EN 61000-6-2 and EN 61000-6-3 (class A)
Enclosure rating IP65
Permissible relative humidity 90 % (Condensation not permitted)
Operating temperature range –20 °C … +85 °C, –35 °C … +95 °C on request
Storage temperature range –40 °C … +100 °C, without package
Resistance to shocks 100 g, 6 ms (EN 60068-2-27)
Resistance to vibration 20 g, 10 Hz … 2,000 Hz (EN 60068-2-6)

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Weight 0.209 kg
Dimensions 9.5 × 9.5 × 11.5 cm