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Rugged Incremental 50-mm-dia. Rotary Encoder


Rugged Rotary Encoder

Power supply voltage 12 VDC -10% to 24 VDC +15%,
ripple (p-p): 5% max.
5 VDC -5% to 12 VDC +10%,
ripple (p-p): 5% max.
Current consumption
100 mA max.
100, 200, 300, 360, 500, 600, 720, 800, 1,000, 1,024, 1,200, 1,500, 1,800, 2,000, 2,048,
2,500, 3,600
Output phases Phases A, B, and Z *5 1335_sp_1_1
Output configuration Complementary outputs *2 Voltage output (NPN output) Line driver output *3
Output capacity Output voltage:
VH = Vcc = 3 V min.
(IO = 30 mA)
VL = 2 V max.
(IO = -30 mA)
Output current: ±30 mA
Output resistance: 2 kΩ
Output current: 35 mA max.
Residual voltage: 0.7 V max.
AM26LS31 equivalent
Output current:
High level: IO = -10 mA
Low level: IS = 10 mA
Output voltage:
VO = 2.5 V min.
VS = 0.5 V max.
Maximum response
frequency *4
125 kHz (65 kHz when using phase Z reset)
Phase difference
between outputs
90°±45° between A and B (1/4 T ± 1/8 T)
Rise and fall times of
1 μs max.
(Cable length: 2 m,
Output current: 30 mA)
1 μs max.
(Cable length: 2 m,
Output current: 35 mA)
1 μs max.
(Cable length: 2 m,
IO: -10 mA, IS: 10 mA)
Starting torque 10 mNm max. at room temperature, 30 mNm max. at low temperature
Moment of inertia 2.0 × 10-6 kgm2 max.; 1.9 × 10-6 kgm2 max. at 500 P/R max.
Radial 80 N
Thrust 50 N
Maximum permissible
5,000 r/min
Protection circuits Output load short-circuit protection ---
Ambient temperature
Operating: -10 to 70°C (with no icing), Storage: -25 to 85°C (with no icing)
Ambient humidity
Operating/Storage: 35% to 85% (with no condensation)
Insulation resistance 20 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 500 Hz, 150 m/s2 or 2-mm double amplitude for 11 min 3 times each in
X, Y, and Z directions
Shock resistance Destruction: 1,000 m/s2 3 times each in X, Y, and Z directions
Degree of protection IEC 60529 IP65, in-house standards: oilproof
Connection method Pre-wired Models (Standard cable length: 1 m)
Material Case: Aluminum, Main unit: Aluminum, Shaft: SUS303
Weight (packed state) Approx. 300 g
Accessories Instruction manual
Note: Coupling, mounting bracket and hex-head spanner are sold separately.

*1. An inrush current of approximately 9 A will flow for approximately 0.1 ms when the power is turned ON.
*2. Complementary Output
       The complementary output has two output transistors (NPN and PNP) as shown below. These two output transistors
       alternately turn ON and OFF depending on the high or low output signal. When using them, pull up to the positive
       power supply voltage level or pull down to 0 V. The complementary output allows flow-in or flow-out of the output
       current and thus the rising and falling speeds of signals are fast. This allows a long cable distance. They can be
       connected to open-collector input devices (NPN, PNP).

E6C3-C Specifications 2

*3. The line driver output is a data transmission circuit compatible with RS-422A and long-distance transmission is
       possible with a twisted-pair cable. (AM26LS31 equivalent)
*4. The maximum electrical response speed is determined by the resolution and maximum response frequency as

E6C3-C Specifications 3

       This means that the Rotary Encoder will not operate electrically if its speed exceeds the maximum electrical
       response speed.
*5. The phase Z signal is output when cut face D on the shaft and the cable connection direction are as shown in the
       following diagram (output position range: ±15°).

E6C3-C Specifications 4