Gefran WRA-F-2750 - Magnetostrictives

Model 50 to 4000mm
Number of magnets 1…16 General Profile
1 Encoder Profile
Measurements Displacement/Velocity
Measuring principle Magnetostrictive
Position read sampling time
(typical), dependent on the
stroke and the number of
cursors
1ms typical
Min. cycle time 250 µs
Shock test DIN IEC68T2-27 100g -11ms-single shock
Vibration DIN IEC68T2-6 15g / 10…2000Hz
Displacement speed ≤ 10m/s
Max. acceleration ≤ 100 m/s2
Position data resolution
(selectable)
0.5,1,2,5,10,20,50,100 μm
Velocity data resolution
(selectable)
steps/10ms, steps/100ms,
steps/1000ms, mm/s
Cursor Floating cursor (see note)
Working temperature -40…85°C
Storage temperature -40…100°C
Coefficient of temperature 25 ppm FS/°C
Environmental protection IP67
Operative pressure 350 bar (peak max. 500bar)
Note: For multi-cursor versions, the cursors have to work under the
same distance and temperature conditions
ELECTRICAL DATA
Interface Profinet IO
Protocol Profinet RT & IRT
Profile Encoder V 4.2
Data Transmission rate 100 MBit/s
Position data 32 bit signed (General Profile)
32 bit unsigned or 64 bit insigned
(Encoder Profile V4.2)
Velocity data 32 bit signed (General Profile)
16 bit signed or 32 bit signed
(Encoder Profile V4.2)
Connection 2x M12 F D-coded (Bus)
1x M12 M A-coded (Power Supply)
Nominal power supply 10…32Vdc
Max. power ripple 1 Vpp
Max Power consumption 2 W
Electrical isolation 500 Vdc
Protection against polarity
inversion
Yes (-30 Vdc)
Protection against
overvoltage
Yes (36 Vdc)
EMC EN 61326-1
EN 61326-2-3