1. Homepage
  2. Products
  3. Sensors for motion control
  4. Encoders
  5. Absolute multiturn encoders
  6. RM8003


Absolute multiturn encoder with solid shaft


{{'OPTIONAL_INFO' | productAvailability | error}}

Dear customer,
Unfortunately, this data sheet is not available in the requested language. If you have any further questions, you can contact us by e-mail.

Best regards
Your ifm team

  • For precise position, speed, angular and linear measurement
  • Direct output of the values via SSI interface
  • Robust housing for use in harsh industrial environments
  • High shock and vibration resistance
  • Easy wiring and programming
  • ce
Technische Details
Product characteristics
Resolution 4096 resolution; 4096 revolutions; 24 bit
Communication interface SSI data interface
Shaft design hollow shaft open to one side
Shaft diameter [mm] 12
Function principle absolute
Revolution type multiturn
Electrical data
Operating voltage [V] 4.5...30 DC
Current consumption [mA] < 30
Inputs reversal of direction of rotation; reset to zero
Code Gray code; (increasing code values when turned clockwise (seen on the shaft))
Code signal Clock input; TTL-compatible signals; clock and clock (inv.) from drivers to RS 422; data output; synchronous serial; TTL-compatible signals, data, and data (inv.)
Measuring/setting range
Resolution 4096 resolution; 4096 revolutions; 24 bit
Communication interface SSI data interface
Operating conditions
Ambient temperature [°C] -40...85
Max. relative air humidity [%] 98
Protection IP 65; (on the housing: IP 65; on the shaft: IP 64)
Tests / approvals
Shock resistance
< 300 g (6 ms)
Vibration resistance
30 g (10...1000 Hz)
MTTF [years] 381
Mechanical data
Weight [g] 336.5
Dimensions [mm] Ø 36.5 / L = 67
Materials flange: aluminium; housing: steel powder-coated
Max. revolution, mechanical [U/min] 12000
Max. starting torque [Nm] 3
Reference temperature torque [°C] 25
Shaft design hollow shaft open to one side
Shaft diameter [mm] 12
Shaft material
Max. shaft load axial (at the shaft end) [N] 40
Max. shaft load radial (at the shaft end) [N] 110
Wires/pins not connected (n.c.) must not be used.
Electrical connection
Cable: 2 m, PUR; Maximum cable length: 100 m; axial
Diagrams and graphs
Pulse diagram
1 clock
2 data
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — RM8003-00 — 28.06.2016 —