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This item is a SICK DFS20A-A2BAD005000 2″ Flange 3/8th” Sol Shaft Incremental Encoder. Its part number isDFS20A-A2BAD005000.
The DFS20 family of products are high-resolution incremental encoders that provide industry standard 2 inch mechanical interfaces. The DFS20 incorporates rugged internal technology that allows them to operate over a wide temperature range and tolerate twice the shock & vibration levels of comparable encoders.


This item comes as pictured and does not include any additional parts or accessories.

Specifications:

• Manufacturer: SICK
• Part Number:DFS20A-A2BAD005000

Performance:

• Pulses per revolution 5,000
• Measuring step 90, electric/pulses per revolution
• Measuring step deviation 0.008 pulses 100 … 10,000
• Error limits 0.03

Interfaces:

• Communication interface Incremental
• Communication Interface detail HTL / Push pull
• Number of signal channels 6-channel
• 0-set function via hardware pin
• 0-SET function H-active, L = 0 – 3 V, H = 4,0 – Us V
• Initialization time 40 ms 1)
• Output frequency 820 kHz
• Load current 30 mA
• Power consumption 0.7 W (without load)

Electronics:

• Connection type Male connector, MS, 10-pin, radial
• Supply voltage 8 … 30 V
• Reference signal, number 1
• Reference signal, position 180, electrical, logically gated with BN2
• Code sequence Counterclockwise
• Reverse polarity protection
• Short-circuit protection of the outputs 1)

Mechanics:

• Mechanical design Solid shaft, Square flange
• Shaft diameter 3/8With flat
• Shaft length 16 mm
• Weight + 0.4 kg 1)
• Shaft material Stainless steel 1,4305
• Flange material Aluminum
• Housing material Aluminum
• Start up torque 0.5 Ncm (+20 C)
• Operating torque 0.3 Ncm (+20 C)
• Permissible shaft loading 80 N (radial) 40 N (axial)
• Operating speed 9,000 min
• Moment of inertia of the rotor 15 gcm
• Bearing lifetime 3.6 x 109 revolutions
• Angular acceleration 500,000 rad/s