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Features

  • Certified for Class 1, Div 2 (Zone 2), Group A, B, C, D Hazardous Areas
  • Low profile package saves space
  • Excellent resistance to shock and vibration
  • 30mm standard through shaft, PEEK reduction hub available
  • High protection level of IP66
  • High performance in temperatures from –40°C to +85°C
  • Resolutions up to 10,000 PPR, incremental or 16 BITS absolute
  • Terminal box, M12 or cable output terminations
  • Encapsulated electronics
  • TTL and HTL electronics
  • Reinforced electrical output available on some incremental and absolute models
  • Wiring fault tolerant with terminal box connection
  • Long cable drive capability

Specifications

Description Parameters
Housing Size Standard: Ø 90mm X 26mm deep
Terminal Box: 128mm tall X 116mm wide X 25mm deep. (See dimensional drawings for detail)
Shaft Size Hollow Shaft: Ø 1/2” to Ø 30 mm” blind or through
Solid Shaft: Ø12 mm x 20 mm with keyway, Ø 3/8“x 7/8“ with flat
Hollow Shaft w/ Integrated Coupling: 14mm, 20mm, 1/2”, 3/4”
Permissible Shaft Loads Axial: 40 N
Radial: 80 N
Shaft Runout Hollow Shaft: 0.1 mm [0.004”] TIR
Solid Shaft: 0.02 mm [0.001”] TIR
Hollow Shaft w/ Integrated Coupling: N/A
Static/ Dynamic Torque 30 / 300 mN.m [4.2/ 42 oz-in] @ 25°C
Bearings 6807 - Sealed
Material Cover: Clear anodized aluminum
Body: Clear anodized aluminum
Shaft: AISI 303 stainless steel
Bearing Life L10h
(Theoretical Mechanical Lifetime)
> 18.109 turns / 100000 hours
Continuous Max. Speed(A) 6000 RPM, (Reference Chart 1. Speed vs Temperature)
Shaft Moment of Inertia < 84000 g.mm2 [11.9 x 10-3 oz*in*sec2]
Weight (aprox.) Terminal Box: 790g
M12 or cable: 450g

 

Description Absolute Incremental
Output Format SSI compatible (RS422) Two channels in quadrature + index and complements
Resolution Up to 16 BITS Up to 10,000 CPT
Encoder Accuracy ±0.1°
Supply Voltage Vcl 5-30 Vdc Cable or M12: 5-30V (28/V) and 4.75-30V (28/5)
Terminal Box: 11-30V (28/VR),5-30V (28/V) and 4.75-
30V (28/5)
Supply Current (No Loads) 75mA Typ Cable or M12: 75mA
Terminal Box: 100mA (28/VR), 75mA (28/V and 28/5)
Current Per Channel Pair 40mA max Cable or M12: 40mA
Terminal Box: 60mA (28/VR), 40mA (28/V and 28/5)
Voltage / Output 28/SI: SSI RS485 w/o parity
28/SR: SSI RS485 reinforced w/o parity
Terminal Box version only
8/V: Line driver 5-30 V In/Out; PushPull
28/5: Line driver with 5 V (TTL) regulated output
28/VR: Push Pull 11-30V reinforced. Terminal Box
version only
Short Circuit Proof 28/SI: Yes (except to V+)
28/SR: Yes
Cable or M12: Yes (28/V) and Yes (except to Vcl) (28/5)
Terminal Box: Yes (28/VR), (28/V) and (28/5) except
to Vcl
Reverse Polarity Tolerant Yes
Wiring Fault Tolerant & Overvoltage Prot. 28/SI: No
28/SR: Yes
Cable or M12: No
Terminal Box: Yes Up to 60Vdc (28/VR) and No (28/V
and 28/5)
Frequency Response Cable or M12: Up to 1MHz
Terminal Box: Up to 300kHz (28/VR), Up to 1MHz (28/V and 28/5)
Output Terminations Cable, M12 or Terminal Box
EMC EN 61000-6-2 : 2005, see user manual for details
EN 61000-6-4 : 2017 + A1 : 2011, see user manual for details
Isolation 1000V

 

Protection Class (sealing) IP66
Temperature Range -40°C to +85°C
Mechanical Resistance Shock (EN60068-2-27): ≤ 3000m.s-2 (5 ms, half sine) (300 G’s)
Vibration (EN60068-2-6): ≤ 200m.s-2 (55 … 2 000 Hz) (20 G’s)
Humidity 98% RH without condensation

 

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