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Low-cost Encoder with Diameter of 50 mm


General-purpose Absolute Encoder with External Diameter of 50 mm

Power supply voltage 5 VDC -5% to 12 VDC +10%,
ripple (p-p): 5% max.
12 VDC -10% to 24 VDC +15%, ripple (p-p): 5% max.
Current consumption *1 90 mA max. 70 mA max.
Resolution (rotations) 256 (8-bit)
Output code Gray code
Output configuration Open-collector output
Output capacity Applied voltage: 28 VDC max.
Sink current: 16 mA max.
Residual voltage: 0.4 V max. (at sink current of 16 mA)
Maximum response
frequency *2
5 kHz
Logic Negative logic (high = 0, low = 1)
Accuracy ±1° max.
Direction of rotation Output code incremented by CW (as viewed from the end of the shaft)
Rise and fall times of
1 μs max. (Control output voltage: 16 V, Load resistance: 1 kΩ, Output cable: 2 m max.)
Starting torque 0.98 mN·m max.
Moment of inertia 1 × 10-6kg·m2 max.
Radial 29.4 N
Thrust 19.6 N
Maximum permissible speed 1,000 r/min
Ambient temperature range Operating: -10 to 55°C (with no icing), Storage: -25 to 85°C (with no icing)
Ambient humidity range Operating/Storage: 35% to 85% (with no condensation)
Insulation resistance 200 MΩ min. (at 500 VDC) between current-carrying parts and case
Dielectric strength 500 VAC, 50/60 Hz for 1 min between current-carrying parts and case
Vibration resistance Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z
Shock resistance Destruction: 1,000 m/s2 3 times each in X, Y, and Z directions
Degree of protection*3 IEC 60529 IP50
Connection method Pre-wired Models (Standard cable length: 2 m) Connector Models (Standard
cable length: 2 m)
Material Case: ABS, Main unit: PPS, Shaft: SUS416, Mounting Bracket: Galvanized iron
Weight (packed state) Approx. 200 g
Accessories Coupling (excluding Connector Models), Servo Mounting Bracket,
Hexagonal wrench (excluding Connector Models), Instruction manual

*1. An inrush current of approximately 8 A will flow for approximately 0.3 ms when the power is turned ON.
*2. The maximum electrical response speed is determined by the resolution and maximum response frequency as

E6CP-A Specifications 2

        This means that the Rotary Encoder will not operate electrically if its speed exceeds the maximum electrical
        response speed.
*3. No protection is provided against water or oil.