RE Resolvers

Resolver size: RE- 15

  • Dimensions:

    • hollow shaft Ø: 12mm max.
    • OD Ø: 36.8mm
    • length: 16mm

  • Main Characteristics:

    • operational temperature: -55 ... +155 ºC
    • speed: 20,000rpm max.
    • absolute accuracy: ± 4‘/± 6‘/±10‘
    • accuracy ripple: 1‘ max.
    • rotor and stator completely impregnated
    • 1, 2, 3, 4 pole pairs

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Data table RE-15

pole pairs13
transformation ratio0.5 (±10%)
input voltage (Vrms)77557777
input current (mA)5836482758365734
input frequency (kHz)51014.5510510
phase shift °(± 3°) 8–6 26 0 8–6 90
zero voltage30mV max.
impedance 
Zro  (Ohm)75 j98110 j15955 j87164 j25575 j98110 j15959 j10998 j180
Zrs  (Ohm)70 j8596 j15062 j81145 j21070 j8596 j15053 j10292 j172
Zso (Ohm)180 j230245 j400248 j105315 j340180 j230245 j400303 j442386 j815
Zss  (Ohm)170 j200216 j370256 j88278 j280170 j200216 j370300 j413363 j775
D.C. resistance (± 10°) 
Rotor (Ohm)40184015
Stator (Ohm)102200102240
accuracy±10’, ±6’ on request±4’±5’
accuracy ripple1’ max.2’ max.
operating temperature (°C)–55 ... +155
max. permitted speed20,000rpm
length of stator (mm)16.121.320.016.1

Resolver size: RE- 21

  • Dimensions:

    • hollow shaft Ø: 17mm max.
    • OD Ø: 52.4mm
    • length: 26mm

  • Main Characteristics:

    • operational temperature: -55 ºC...+155ºC
    • speed: 20,000 1/min max.
    • absolute accuracy: ± 4‘/± 6‘/±10‘
    • accuracy ripple: 1‘ max.
    • rotor and stator completely impregnated
    • 1, 2, 3, 4 pole pairs

Data table RE-21

pole pairs1
transformation ratio1 (±10%)0.5 (±10%)
input voltage (Vrms)77777755
input current (mA)4030402780563217
input frequency (kHz)5105105714.5
phase shift (°(± 3°))11–7.511-88 026-10
zero voltage
impedance (Ohm)
Zro (Ohm)133 j115170 j200132 j120165 j20570 j7478 j96112 j108217 j322
Zrs(Ohm)122 j105149 j190120 j107145 j19562 j6568 j88114 j96190 j304
Zso(Ohm)800 j1,4541,310 j 2,400215 j385345 j625180 j206140 j260357 j289573 j933
Zss(Ohm)740 j1,2301,150 j2,270193 j340293 j59096 j183120 j238360 j252502 j880
D.C. resistance (± 10°)
rotor (Ohm)90904465
stator (Ohm)2526228252
accuracy±6’, ±4’ on request
accuracy ripple1’ max.
operating temperature (°C)–55 ... +155
max. permitted speed20,000rpm
length of stator (mm)25.6