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Features

  • Designed for use in Class I, Div.1 & Zone 1 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 +100°C
  • Resolutions up to 10,000 PPR, incremental or 16 BITS absolute
  • Terminal box with Conduit Termination
  • 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

Housing Size 124 mm x 156 mm x 52 mm (see dimensional drawings for other configurations)
Shaft Size Hollow Shaft: Ø 1/2” to Ø 1” blind or through
Solid Shaft: Ø12 mm x 20 mm with keyway, Ø 3/8 “ x .78“ with flat
Hollow Shaft w/ Integrated Coupling: 14mm, 20mm, 1/2”, 3/4”
Permissible Shaft Loads Axial: 40 N [9 lbs]
Radial: 80 N [18 lbs]
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, deep groove ball bearing
Material Cover: Hard anodized aluminum
Body: Hard anodized aluminum
Shaft : AISI 303 stainless steel
Bearing Life L10h (Theoretical Mechanical Lifetime)

> 18.109 turns / 100000 hours

Continuous Max. Speed<sup>(A)</sup> 6000 RPM, (Reference Chart 1. Speed vs Temperature)
Shaft Moment of Inertia < 130 000 g.mm2 [18.4 x 10-3 oz-in-sec2]
Weight (aprox.) 1.6 kg [56.5 oz]
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° ±0.1°
Supply Voltage Vcl 5-30 Vdc 5-30 Vdc
Supply Current (No Loads) 75mA Typ 75mA Typ
Current Per Channel Pair 40mA max 40mA max
Voltage / Output 28/SI: SSI RS485 w/o parity
28/SR: SSI RS485 reinforced w/o parity
28/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
Short Circuit Proof 28/SI: Yes (except to V+)
28/SR: Yes
28/V: Yes
28/5: Yes (except to Vcl)
28/VR: Yes
Reverse Polarity Tolerant Yes Yes
Wiring Fault Tolerant & Overvoltage Prot. 28/SI: No
28/SR: Yes
28/V: No
28/5: No
28/VR: Yes Up to 60Vdc
Frequency Response Up to 1MHz (28/V and 28/5)
Up to 300kHz (28/VR)
Up to 1MHz (28/V and 28/5)
Up to 300kHz (28/VR)
Output Terminations Enclosed terminal block, with three conduit fitting options: M16, 1/2” NPT, 3/4” NPT Enclosed terminal block, with three conduit fitting options: M16, 1/2” NPT, 3/4” NPT
EMC EN 61000-6-2 : 2005, see user manual for details
EN 61000-6-4 : 2017 + A1 : 2011, see user manual for details
EN 61000-6-2 : 2005, see user manual for details
EN 61000-6-4 : 2017 + A1 : 2011, see user manual for details
Isolation 1000V 1000V

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