MEGATRON Elektronik GmbH & Co. KG ▪ Hermann-Oberth-Strasse 7 ▪ 85640 Putzbrunn / Munich
Tel.: +49 89 46094-0 ▪ www.megatron.de ▪ info@megatron.de
Date: 06/29/2022
Page 5
Specications are subject to change without notice
Series ETA25Absolute Encoders with Current Loop or Voltage Output
1.) According IEC 60393
Electrical data
E󰀨ective electrical angle of rotation 1.) 10° ≤ α ≤ 360° (programmable in factory), ±0.5°
with mechanical stop: 310° (260°/170°/80°), ±0.5°
Independent linearity (best straight line) 1.) ±0.3% @ 360°
Absolute Linearity 1.) ±0.6% @ 360°
Output signal
0 to 5 V ratiometric 0 to 10 V 4 to 20 mA
Resolution
12 Bit
Update rate
200 µs
Supply voltage 5 V ±10% 15 to 30 V 9 to 30 V
Power consumption (no load) ≤18 mA
Output load ≥ 5 kOhm ≤ 500 Ohm
Insulation voltage 1.) 1000 VAC @ 50 Hz, 1 min
Insulation resistance 1.) 2 MOhm @ 500 VDC, 1 min
MTTF (EN29500-2005-1) 1173a 965a 379a
Wire colour/pin assignment
Function: Option L and K Option F Option R
OUT Pin 1 Strand 2 brown
VSUP Pin 2 Strand 1 (red) red
GND Pin 3 Strand 3 black
For details on zero point definition and output programming see page 28.
Series ETA25
Key features ETA25:
Analogue outputs 0 to 5 V, 0 to 10 V, 4 to 20 mA
Redundant versions available – see separate section
Versatile connecting possibilities
Several factory programming possibilities
Supply voltages: 5 VDC ±10%, 15 to 30 VDC, 9 to 30 VDC
MEGATRON Elektronik GmbH & Co. KG ▪ Hermann-Oberth-Strasse 7 ▪ 85640 Putzbrunn / Munich
Tel.: +49 89 46094-0 ▪ www.megatron.de ▪ info@megatron.de
Date: 06/29/2022
Page 6
Specications are subject to change without notice
Series ETA25Absolute Encoders with Current Loop or Voltage Output
Order Code ETA25 – singleturn, analogue output, not redundant
Description
Selection: standard=black/bold, possible options=grey/italic
Series
ETA25
Shaft diameter, shaft length:
Shaft diameter Ø 6 mm, shaft length 22 mm
Shaft diameter Ø 6.35 mm, shaft length 22 mm
Custom shaft dimensions [mm] Ø ≤6.35mm
6x22
6,35x22
XxXX
Supply voltage / output signal:
VSUP=5 V (4.5 to 5.5 V) / OUT=0 to 5 V (ratiometric)
VSUP=24 V (15 to 30 V) / OUT=0 to 10 V
VSUP=24 V (9 to 30 V) / OUT=4 to 20 mA
VSUP=24 V (9 to 30 V) / OUT=0 to 5 V
0505
2410
2442
2405
Mechanical stop/centre detent*:
None
Mechanical stop (90, 180, 270 or 320°)
Stop and centre detent (at 0°)
-
S
M
Sense of rotation: (when looking at the shaft, from the front)
Clockwise
Counterclockwise
CW
CCW
Rotation angle* in [°]:
360 (not available with mechanical stop)
320
270
180
90
Custom rotation angle (≥10°, positive integer, not available with mechanical stop)
360
320
270
180
90
XXX
Operational Torque:
Standard torque
Improved/medium torque
-
MT
Shaft sealing:
None
With shaft sealing
-
D
Electrical connection, cable length:
Solder holes
Clamping terminals
Flat ribbon cable, standard length 0.15 m
Flat ribbon cable with custom length [x,xx m]
Round cable, standard length 1 m
Round cable with custom length [x,xx m]
L
K
F0,15
FX,XX
R1,00
RX,XX
Anti-rotation pin, zero point denition**:
Pin A (not available with mechanical stop)
Pin B
None (pins removed) (no zero point denition possible)
A
B
-
Order example ETA25
Requirements:
Shaft Ø 6.00 mm, shaft length 22 mm, VSUP=5 V / OUT=0 to 5 V, sense of rotation CW, rotation angle 360°
round cable 1.00 m, anti-rotation pin B
Example for order code:
ETA25 6x22 0505 CW 360 R1,00B
* Without a mechanical stop, this value corresponds to the e󰀨ective electrical angle. With a mechanical stop, the mechanical angle of rotation
is determined by this value and the e󰀨ective electrical angle of rotation is 10° smaller than the mechanical angle of rotation. For details see
page 29.
** For details on zero point denition and output programming see page 28.