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SR27A Magnescale
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  • Specifications
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  • Slim type allows installation in narrow spaces
  • Magnetic system enables use even in environments with condensation, oil, and other adverse coditions
  • Supports the communication protocol of each supporting manufacturer
  • Same thermal expansion as iron
  • Protocol : FANUC, Mitsubishi, SIEMENS AG



*For resolution of 1nm(0.001μm), please contact our sales department.

Magnescale reserves the right to change product specifications without prior notice.

Model nameSR27A-×××○□AXSR27A-×××○□BX
Effective length (L: mm) 70 - 2,040
Thermal expansion coefficient 12±1 × 10-6/ ℃
Accuracy(at 20℃) 3+3L/1,000 μmp-p or 5+5L/1,000 μmp-p,
L: Effective length (mm)
Reference pointCenter, or user-selected position (Set at factory shipping)Fixed to centerFixed to 10 mm from left end of
effective length
Output signalAbsolute serial bidirectional signal, compliant with EIA-485 Compliant with DRIVE-CLiQ
Compatible controllersFANUC α/αi interface compatible Mitsubishi Electric SIEMENS AG
ResolutionSelectable from 0.001*, 0.005, 0.01, 0.05, 0.1, 0.5 and 1 μm (Factory set) Selectable from 0.001*, 0.005, 0.01, 0.05 and 0.1 μm (Factory set) Selectable from 0.001*, 0.005 and 0.01μm (Factory set)
Maximum response speed200 m/min
Functional safetyPlease consult with each controller manufacturer regarding support for
functional safety.
EN ISO13849-1:2008 Cat.3
EN 62061:2005 / IEC 61508:2010
Legal complianceFCC Part15 Subpart B Class A
ICES-003 Class A Digital Device
EN55011 Gp1 Class A, EN61000-6-2
Operating temperature range0 to +50℃
Storage temperature range-20 to +55℃
Vibration resistance 150 m/s2 (50 Hz to 3 kHz)
Impact resistance 350 m/s2 (11 ms)
Protective design grade IP54 (Air purge not included), IP65 (Air purge included)
Power supply voltage range DC+4.75 to +5.25 V DC+17 to +30.8 V
Maximum power consumption 1.3W or less (4.75V or 5.25V) 1.75W or less(17V)
1.9W or less (30.8V)
Consumption current 250mA (5V) (when the controller is connected) 75mA (24V)
(when the controller isconnected)
Mass Approx. 0.39kg+ 1.53kg/m or less
Compatible cables
(types without relay
Maximum cable length
13 m
13 m
30 m
Compatible cables
(types with relay connectors)
Maximum cable length
CH23-***NVK + CH23-***NPFA
30 m
CH23-***NVK + CH23-***NPMA
30 m
CH22-***NSMF + CH22-*** NSFY
30 m


Product name2D3D
SR27A 007 007L 007R 007L 007R
SR27A 012 012L 012R 012L 012R
SR27A 017 017L 017R 017L 017R
SR27A 022 022L 022R 022L 022R
SR27A 027 027L 027R 027L 027R
SR27A 032 032L 032R 032L 032R
SR27A 037 037L 037R 037L 037R
SR27A 042 042L 042R 042L 042R
SR27A 047 047L 047R 047L 047R
SR27A 052 052L 052R 052L 052R
SR27A 057 057L 057R 057L 057R
SR27A 062 062L 062R 062L 062R
SR27A 067 067L 067R 067L 067R
SR27A 072 072L 072R 072L 072R
SR27A 077 077L 077R 077L 077R
SR27A 082 082L 082R 082L 082R
SR27A 092 092L 092R 092L 092R
SR27A 102 102L 102R 102L 102R
SR27A 114 114L 114R 114L 114R
SR27A 124 124L 124R 124L 124R
SR27A 134 134L 134R 134L 134R
SR27A 144 144L 144R 144L 144R
SR27A 154 154L 154R 154L 154R
SR27A 164 164L 164R 164L 164R
SR27A 174 174L 174R 174L 174R
SR27A 184 184L 184R 184L 184R
SR27A 204 204L 204R 204L 204R

*Please contact our sales department.



Product nameJapaneseEnglishDeutschSimplified ChineseTraditional Chinese
SR27A CH22 Download Download Download
SR27A CH23 Download Download Download


Product nameJapaneseEnglishDeutschSimplified ChineseTraditional Chinese
SR27A CH22 Download Download Download

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SR27A Series Japanese SR27A Catalog Japanese PDF
SR27A Series EnglishSR27A Catalog Englisch PDF

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