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 17
Specications are subject to change without notice
Series ETI25Incremental Encoders
Electrical data ETI25 – singleturn, incremental output, not redundant
Output Signal
TTL Push-Pull Open Collector
Number of pulses 1 to 1024 ppr 1 to 360 ppr
UVW signal outputs for motor commutation
optional
Amount of pole pairs (UVW)
1 to 16
Dierential signal output (A, A/, B, B/, Z, Z/)
optional no
Limit frequency 100 kHz 10 kHz
Switch-on delay 20 ms
Supply voltage
5 VDC ±10% 10 to 30 V 10 to 30 V
Power consumption (no load)
≤ 15 mA ≤ 50 mA ≤ 25 mA
Output load
≥ 5 kOhm
Max. pull-up voltage - 30 VDC
Insulation voltage 1.) 1000 VAC @ 50 Hz, 1 min
Insulation resistance 1.) 2 MOhm @ 500 VDC, 1 min
MTTF (EN29500-2005-1) 473a 462a 570a
Series ETI25 – singleturn, incremental output, not redundant
Key features ETI25:
Channels: A, B and index signal Z. Option dierential signal output A, A/, B, B/, Z, Z/
UVW signal output for motor commutation of DC-motors selectable from 1 to 16 pole pairs
TTL, Push Pull or Open Collector electronics
Maximum number of pulses per channel 1024 pulses per revolution (4096 steps)
Option: ex works programmable number of pulses from 1 to 1024 pulses per revolution in
one pulse step-width
Output circuit ETI25 per channel
For details on zero point definition and output programming see page 28.
1.) According to IEC 60393
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 18
Specications are subject to change without notice
Series ETI25Incremental Encoders
Order example ETI25 – singleturn, incremental output
Requirement:
Shaft Ø 6.00 mm, shaft length 22 mm, number of pulses 1024 TTL output, VSUP=5 V/TTL, no shaft sealing, at ribbon cable
0,15 m, anti-rotation pin B
Example for order code:
ETA25 6x22 1024 05BZTTL R1,20B
Order Code ETI25 – singleturn, incremental output
Description
Selection: standard=black/bold, possible options=grey/italic
Series
ETI25
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
Number of pulses (ppr):
32
64
128
256
512 (only for TTL and push-pull)
1024 (only for TTL and push-pull)
User-defined number of pulses 1 to 1024, step-width 1 pulse
(>360 pulses only for TTL and Push-Pull)
32
64
128
256
512
1024
0XXX
Supply voltage / output signal:
VSUP=24 V (10 to 30 V) / OUT=push-pull A, B, Z
VSUP=5 V ± 10% / OUT=TTL A, B, Z
VSUP=3,3V ± 10% / OUT=A, B, Z, TTL (only for options L and K for 256, 128, 64 oder 32 ppr)
VSUP=24 V (10 to 30 V) / OUT=open collector A, B, Z
VSUP=24 V (10 to 30 V) / OUT=open collector A, B, Z, UVW
VSUP=24 V (10 to 30 V) / OUT=push-pull differential A, A/, B, B/, Z, Z/, UVW
VSUP=5 V ± 10% / OUT=TTL differential A, A/, B, B/, Z, Z/, UVW
24BZPP
05BZTTL
3,3BZTTL
24BZOC
24BZOC UVW
24BZ N PP UVW
05BZ N TTL UVW
Operational Torque:
Standard torque
Improved/medium torque
-
MT
Shaft sealing:
None
With shaft sealing
-
D
Electrical connection, cable length:
Solder holes (not for UVW)
Clamping terminals (not for UVW)
Flat ribbon cable, standard length 0.15 m (not for UVW)
Flat ribbon cable with custom length [x,xx m] (not for UVW)
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 denition:
Pin A
Pin B
None (pins removed) (no zero point denition possible)
A
B
-