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 11

Specications are subject to change without notice

Series ETS25Absolute Encoders with Serial Output (SER/SPI/SSI)

Series ETS25 – singleturn, digital output, not redundant

Electrical data ETS25 – singleturn, digital output, not redundant

Output signal SER SPI SSI

E󰀨ective electrical angle of rotation 1.) 360°

Independent linearity (best straight line) 1.) ±0,4% @ 360° ±0,3% @ 360°

Absolute linearity 1.)

±0,8% @ 360° ±0,6% @ 360°

UVW signal outputs for motor commutation

NO NO YES (option)

Amount of pole pairs (UVW)

- - 1 to 16

Resolution

12 Bit 14 Bit 12 Bit

Update rate 96 µs 200 µs 100 µs

Supply voltage 5 VDC ±10 % 24 VDC (9 to 30 V)

Power consumption (no load) ≤ 14 mA ≤ 12 mA ≤ 20 mA

Insulation voltage 1.) 1000 VAC @ 50 Hz, 1 min

Insulation resistance 1.)

2 MOhm @ 500 VDC, 1 min

MTTF (EN29500-2005-1) 1267a 2046a 535a

Key features ETS25:

 SSI, SPI or SER interface

 SSI interface: Option UVW signal output for motor commutation of DC motors selectable

from 1 to 16 pole pairs

 SPI, SER interfaces: Signal transmission only possible via short signal cables (max. 1 m)

 Supply voltage SSI: 24 VDC (9 to 30 V), SER and SPI: 5 VDC +/-10%

1.) According IEC 60393

Cable and pin assignment ETS25

Function: Option L and K: Function: Option F Option R

VSUP PIN 1 VSUP Lead 1 (red) red

Chipselect PIN 2 GND Lead 2 black

Clock PIN 3 Data Lead 3 brown

Data out PIN 4 Clock Lead 4 yellow

Ground PIN 5 Chipselect Lead 5 green

For details on zero point definition and output programming see page 28.

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 12

Specications are subject to change without notice

Series ETS25Absolute Encoders with Serial Output (SER/SPI/SSI)

Order Code HTS36 – solid or hollow shaft, singleturn, not redundant, SSI interface, UVW signals for mo-

tor commutation

Description Selection: standard=black/bold, possible options=grey/cursive

Series HTS36 HTS36

Shaft type:

Solid shaft

Hollow shaft with screw xation

Option: with clamp xation

Shaft diameter, shaft length:

Shaft diameter Ø 6 mm

Shaft diameter Ø 8 mm

Shaft diameter Ø 6.35 mm

Option user dened shaft diameter [mm]

Ø ≤8 mm in connection with option S

Ø ≤10 mm in connection with option H or HK

Ø ≤12 mm exclusively in connection with option H

6,35

Multiplication symbol [x]:

For solid shaft (S)

For Hollow shaft H or HK

Visible shaft length:

Shaft length 16.5 mm for solid shaft (S)

Shaft length for hollow shaft H or HK

Option: user defined shaft length for solid shaft S [mm]

16.5

Supply voltage / Output signal:

24 VDC (9 to 30V) / SSI 12 Bit

24 VDC (9 to 30V) / SSI 12 Bit, UVW

5 VDC ± 10% / SPI 14 Bit

5 VDC ± 10% / SER 12 Bit

24SSI

24SSI UVW

05SPI

05SER

Number of pole pairs:

Not available in connection with electronics:05SPI, 05SER

In connection with option 24SSI UVW selectable from 1 to 16 pole pairs

Shaft sealing:

Without shaft sealing IP65:

Option: D with shaft sealing (IP67)

Electrical connection, cable length, position:

>>> For SPI or SER interface max. allowed cable length is 1 m <<<

1 m round cable, axial

Option: 1m round cable, radial (*)

Option: plug M12, axial (*)

Option: plug M12, radial

Option: customer specific cable length, axial (*)

Option: customer specific cable length, radial (*)

PGR

M12

M12R

PG X,XX

PGR X,XX

Order example ETS25 – singleturn, digital output, not redundant

Requirement:

Shaft Ø 6.00 mm, shaft length 22 mm, 14 Bit/5 VDC/SPI, no shaft sealing, at ribbon cable 0.15 m, anti-rotation pin B

Example for order code:

ETS25 6x22 05SPI F0,15B

Order Code ETS25 – singleturn, digital output, not redundant

Description

Selection: standard=black/bold, possible options=grey/italic

Series

ETS25

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:

24 VDC (9 to 30 V) / SSI (12 Bit)

24 VDC (9 to 30 V) / SSI (12 Bit), UVW, 1..16

5 VDC ± 10% / SPI (14 Bit)

5 VDC ± 10% / SER (12 Bit) (no zero point denition possible)

24SSI

24SSI UVW [1..16]

05SPI

05SER

Operational Torque:

Standard torque

Improved/medium torque

Shaft sealing:

None

With shaft sealing

Electrical connection, cable length:

Solder holes (only for SER output)

Clamping terminals (only for SER output)

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 with custom length [x,xx m] (max. 1 m for SPI/SER, recommended < 15 cm)

F0,15

FX,XX

RX,XX

Anti-rotation pin, zero point denition:

Pin A

Pin B

None (pins removed) (no zero point denition possible)

Order example ETS25 singleturn, serial output, not redundant, UVW signals

Requirements:

Standard shaft Ø 6,00 mm, electronics 12 Bit/24 VDC/SSI + UVW signal output, DC-motor with 12 pole pairs, no shaft sealing,

round cable 1 m, no anti-rotation pins (no zero point denition possible)

Example for order code:

ETS25 6x22 24SSI UVW 12 R1,00