PartMeld

TWK

TRK38/S3 EtherCAT/FSoE safety encoder

Model / article: TRK38/S3

TRK38/S3 EtherCAT/FSoE safety encoder is listed by TWK in Absolute encoders. Published model data includes Product mass: 0.082 kg; Single-turn resolution: 16 bit (maximum). See the specification table for operating conditions and source evidence.

Configured TWK TRK38/S3 singleturn magnetic safety encoder family. The data sheet publishes family limits; final order code determines the selected resolution, mechanics and connector.

TRK38/S3 SIL2/PLd product image
TRK38/S3 SIL2/PLd product image

Product overview

Manufacturer / supplier
TWK
Series
TRK38/S3 EtherCAT/FSoE safety encoders
Component type
Absolute encoders
Source
Open published source

Published pricing

No verified public price indexed for this model. Contact PartMeld for a supplier inquiry.

Published specifications

Values are shown as published. Conditions, rating basis and source evidence apply to each value.

Latest source observation: . Observation dates record evidence collection, not supplier re-verification.

Specifications and source evidence for TRK38/S3 EtherCAT/FSoE safety encoder
SpecificationPublished valueConditions and source
Angular accuracyModel-level statement0.1 % of revolutionRating: maximum

rule validated

Unit needs review. Confirm against the source before comparing this value.

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder accuracy: 0.1 % of revolution

Datasheet p.2 / TRK38/S3 / encoder accuracy

Source observed: 2026-09-19View source
Communication data rateModel-level statement100Base-TX; 100 Mbit/s

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder data rate: 100Base-TX; 100 Mbit/s

Datasheet p.2 / TRK38/S3 / encoder data rate

Source observed: 2026-09-19View source
Communication interfaceModel-level statementEtherCAT with FSoE; ETG.5100 version 1.2.0

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder interface: EtherCAT with FSoE; ETG.5100 version 1.2.0

Datasheet p.2 / TRK38/S3 / encoder interface

Source observed: 2026-09-19View source
Encoder maximum speedModel-level statement5000 rpmRating: maximum

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder maximum speed: 5000 rpm

Datasheet p.2 / TRK38/S3 / encoder maximum speed

Source observed: 2026-09-19View source
Encoder mttfdModel-level statement100 years

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
published calculation
557.3853 years; stated MTTFd is capped at 100 years
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | MTTFd: 100 years

Datasheet p.2 / TRK38/S3 / MTTFd

Source observed: 2026-09-19View source
Encoder operating torqueModel-level statement2.5 NcmRating: maximum

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
speed
500 rpm
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder operating torque: 2.5 Ncm

Datasheet p.2 / TRK38/S3 / encoder operating torque

Source observed: 2026-09-19View source
Encoder pfhModel-level statement9.95101e-08 1/h

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
metric
PFH
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | PFH: 9.95101e-08 1/h

Datasheet p.2 / TRK38/S3 / PFH

Source observed: 2026-09-19View source
Encoder protectionModel-level statementIP40

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder protection: IP40

Datasheet p.2 / TRK38/S3 / encoder protection

Source observed: 2026-09-19View source
Single-turn resolutionModel-level statement16 bitRating: maximum

rule validated

Operating conditions
basis
up to 65,536 steps per revolution
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder resolution bits: 16 bit

Datasheet p.2 / TRK38/S3 / encoder resolution bits

Source observed: 2026-09-19View source
Encoder safety ratingModel-level statementSIL 2; PL d; Category 2

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | Functional safety rating: SIL 2; PL d; Category 2

Datasheet p.2 / TRK38/S3 / Functional safety rating

Source observed: 2026-09-19View source
Included shaft sleevesModel-level statementConfigured mechanics; dimensional drawings in datasheet

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder shaft options: Configured mechanics; dimensional drawings in datasheet

Datasheet p.2 / TRK38/S3 / encoder shaft options

Source observed: 2026-09-19View source
Supply currentModel-level statement2 WRating: maximum

rule validated

Unit needs review. Confirm against the source before comparing this value.

Operating conditions
basis
power consumption
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder supply current: 2 W

Datasheet p.2 / TRK38/S3 / encoder supply current

Source observed: 2026-09-19View source
Supply voltage rangeModel-level statement9 to 30 V

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder supply range: 9 to 30 V

Datasheet p.2 / TRK38/S3 / encoder supply range

Source observed: 2026-09-19View source
Operating temperatureModel-level statement-40 to +70 °C

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder temperature range: -40 to +70 °C

Datasheet p.2 / TRK38/S3 / encoder temperature range

Source observed: 2026-09-19View source
Measurement typeModel-level statementMagnetic contactless absolute singleturn

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder turn type: Magnetic contactless absolute singleturn

Datasheet p.2 / TRK38/S3 / encoder turn type

Source observed: 2026-09-19View source
Position update periodModel-level statement2 ms

rule validated

Unit needs review. Confirm against the source before comparing this value.

Operating conditions
basis
internal position update time
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | encoder update period: 2 ms

Datasheet p.2 / TRK38/S3 / encoder update period

Source observed: 2026-09-19View source
Product massModel-level statement0.082 kg

rule validated

Operating conditions
configuration scope
TRK38/S3 EtherCAT/FSoE configured product family; final order code selects resolution, mechanics and connection
safety operating condition
all functional-safety values stated by TWK for ambient temperature +70 °C
Source evidence
TRK38/S3 EtherCAT/FSoE | mass: 0.082 kg

Datasheet p.2 / TRK38/S3 / mass

Source observed: 2026-09-19View source

Technical documents and resources

Confirm the exact configuration, price, availability and operating conditions with the supplier before ordering.

Report a specification error