Absolute Rotary Encoder EA64

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Absolute Encoder Type EA25

  • High Resolution to 12 Bits
  • Parallel or Serial (SSI) Output
  • Environmental Protection to IP67

EA64 Absolute Rotary Encoder  

Electrical Data

OPTO-COMPONENTSLED and photodiode array
POWER SUPPLY5-30V
PROTECTIONShort circuit / reverse polarity proof
SUPPLY CURRENTParallel: 50mA typ / 90mA MAX
Serial: 60mA typ / 100mA MAX
LOADING-IHigh ≤ 20mA per channel
ILow ≤ 20mA per channel
CLoad ≤ 1000pF per channel
SIGNAL LEVELSUHigh ≥ 2.5V at -I = 20mA RS422A, CMOS, TTL
ULow ≥ 0.5V at.....I = 20mA COMPATIBLE
SWITCHING TIMESRise time t+ ≤ 100ns
Fall time t- ≤ 100ns
SWITCHING FREQUENCYParallel: ≥ 50kHz Higher on special request
Serial: > 1,5MHz
MEASURING POSITION DEVIATION< ! 2' 38" at 4096 positions / 360
ELECTRICAL CONNECTIONCable 1.5M rear/side exit, Cable special length
IP65 CONTACT R2,5 connector, Other connectors
PERMISSIBLE CABLE LENGTH100M MAX for SERIAL SSI types with suitable twisted pair shielded cable to subsequent electronics

Mechanical Data

SHAFT SPEED12000 rpm MAX
MOMENT OF INERTIA OF ROTOR1.8 . 10-6 kgm²
TORQUE at 20°C< 0.01 Nm
< 0.1 Nm with extra shaft seal
PERMISSIBLE SHAFT LOADAxial: 40N
Radial: 60N at shaft end
WEIGHTApprox. 0.4kg

Environmental Data

PROTECTIONIP64
IP65 / IP67 wth extra shaft seal
TEMPERATURE-30°C to +85°C Operating
-40°C to +100°C Storage
HUMIDITY< RH 85% no condensation
VIBRATION< 100ms2 (50 to 2000 Hz )
SHOCK< 1000ms2 (11ms)
Updated on .