TWK-ELEKTRONIK / TWK Elektronik GmbH Sensors and Encoders

German precision sensors and encoders TWK-ELEKTRONIK / TWK Elektronik GmbH: absolute multiturn encoders TRT and TRK, rotary sensors TBE and KBN, MEMS inclination sensors NXN, draw-wire transducers SWP, linear sensors IW and digital indicators PAS 49MI. Professional engineering selection by nameplate data.

TWK TRT and TRK absolute encoders with PROFINET and EtherCAT

Precision multiturn encoders TWK TRT and TRK provide dependable shaft positioning across heavy industrial machinery and slewing gear drives. The units support PROFINET, EtherCAT and CANopen Safety fieldbuses meeting SIL2 and SIL3 functional safety architectural standards.

Absolute optical and magnetic shaft angle sensing with resolution reaching 25 bits
Profinet IO, EtherCAT and redundant CANopen Safety industrial protocol interfaces
Sealed aluminum or stainless housing engineered to robust IP67 ingress protection
Integrated safety firmware routines for direction checking and velocity monitoring

TWK TBE and KBN magnetic and optical rotary encoders

Compact rotary angle transducers TWK series TBE and KBN are built for continuous position feedback within industrial drives, mobile cranes and robotic equipment. The assemblies withstand high mechanical shaft loadings and output telemetry via synchronous serial SSI interfaces.

Synchronous serial interface SSI alongside calibrated analog current loop outputs
Reinforced bearing construction withstands severe radial and axial shaft stresses
Robust magnetic scanning principle operating reliably in heavily soiled atmospheres
Standard fifty-eight millimeter mounting flanges facilitating modular replacement

TWK NXN, NBN and NBX wear-free MEMS inclination sensors

Electronic tilt transducers TWK series NXN, NBN and NBX record angular deviations across single or dual geometric axes with exceptional shock tolerance. The solid-state MEMS sensing core eliminates mechanical wear while maintaining steady long-term zero calibration.

Single-axis and dual-axis angular measurement spanning wide spans up to 360 degrees
Silicon MEMS microstructure devoid of movable parts prone to mechanical degradation
Shock-absorbing metal enclosure achieving demanding IP69K sealed ingress ratings
Configurable digital damping algorithms eliminating high-frequency machinery shocks

TWK SWP and SWK draw-wire linear displacement transducers

Draw-wire displacement sensors TWK series SWP and SWK convert straight-line machine strokes into rotary motion linked to precision optical encoders. Spiral cable drums with integrated spring returns ensure measurement linearity across measuring spans extending up to thirty meters.

Linear stroke translation across extended travel ranges spanning one to 30 meters
High-tensile stainless steel measuring cable enclosed within a polyamide sleeve
Constant-force spiral spring pack delivering uniform tension without line slack
Direct mechanical coupling to absolute multiturn encoders and potentiometer modules

TWK IW and RP12 inductive linear displacement transducers

Inductive displacement transducers TWK series IW, IWE and RP12 deliver dependable stroke tracking under severe environments inside rolling mills and hydraulic cylinders. The contactless differential transformer design guarantees unlimited life and thermal resistance up to 120 °C.

Contactless inductive transformer principle delivering friction-free stroke sensing
High tolerance toward severe operational vibration and hydraulic fluid pressures
Measuring stroke configurations extending from two millimeters up to one meter range
Internal or remote signal conditioning electronics delivering standard milliamp loops

TWK PAS 49MI and PAS 24 programmable digital position indicators

Programmable microprocessor indicators TWK series PAS 49MI, PAS 49L and PAS 24 condition sensor signals and display current machine axis coordinates. The digital units feature flexible scale calibration, signal linearization and threshold relay outputs for automated interlocks.

Brilliant four-digit LED telemetry display ensuring unambiguous operator monitoring
Universal interface supporting inductive transducers, potentiometers and SSI links
Programmable dual limit setpoint relay switches for automated safety shutdown lines
Standard DIN panel mounting format designed for clean industrial cabinet integration

Integration of TWK TRT absolute encoders into SIL2/SIL3 loops

Dependable operation of TWK TRT and TRK rotary encoders within emergency shutdown loops requires strict adherence to functional safety rules. Dual microprocessor architectures continuously execute cross-checking between redundant optical and magnetic position tracking channels.

Upon registering any position telemetry discrepancy between the internal channels, the encoder forces PROFINET or CANopen Safety links into a secure shutdown mode.

Prior to mounting on reduction drive shafts, engineers must verify alignment using flexible compensating couplings to eliminate radial vibration. Shielded signal cables should be bonded at both cable ends to suppress high-frequency electrical drive transients.

Zero-point calibration and setup of TWK NXN inclination sensors

Electronic tilt transducers TWK series NXN and NBX provide reliable angular position tracking for mobile crane booms and work platforms. The solid-state silicon MEMS sensing core measures gravitational acceleration components without mechanical friction.

During initial commissioning after rigid mounting to the horizontal reference surface, technicians initiate the digital zero-point alignment procedure. Through the field parameter interface, operators activate internal low-pass damping filters to attenuate diesel engine vibrations.

The hermetic enclosure with IP69K sealing reliably protects internal electronics against high-pressure steam cleaning.

Installation and servicing of TWK SWP draw-wire displacement sensors

Draw-wire transducers series SWP translate linear hydraulic ram strokes into proportional angular motion across multiturn encoders. The internal wire drum incorporates precision helical grooves preventing wire cross-over during rapid retraction.

During routine inspection, service personnel check the clean condition of the polyurethane wiper seal and ensure the stainless measuring wire is free from kinks. Uncontrolled retraction of an extended cable must be prevented, as uncontrolled spring impacts can distort the measuring drum.

Cable tension remains uniform across the entire stroke range through a constant-force coil spring.

Operation of TWK IW inductive displacement transducers in heavy plants

Contactless differential transducers TWK series IW and RP12 are engineered for harsh continuous stroke tracking inside rolling mills and hydraulic presses. The absence of sliding electrical contacts within the hermetic metal sleeve ensures long life under constant machinery vibration.

Internal signal conditioning circuitry converts coil inductance into a unified four to twenty milliamp current loop. When integrating transducers into hydraulic cylinders, technicians inspect flange seals and clear ferrous debris away from moving core regions.

High thermal tolerance allows continuous duty near hot metal forming lines.

Commissioning TWK PAS 49MI digital position indicators in control cabinets

Microprocessor display units TWK series PAS 49MI visualize axis coordinates and deliver trip contacts to industrial supervisory systems. Scaling factors and signal linearization are programmed via four tactile pushbuttons on the front bezel.

Within configuration menus, engineers define alarm thresholds for output relays to trigger machine travel limits. The internal regulated power supply provides reference excitation voltages for connected sensors.

All calibration settings reside in non-volatile memory, preventing parameter loss during plant electrical outages.

Selection and verification of TWK TBE and KBN rotary encoders by nameplate

When replacing worn rotary angle transducers series TBE and KBN, precise deciphering of the alphanumeric nameplate code is critical. The TWK factory designation specifies the communication protocol, pulses per revolution, mounting flange geometry and shaft diameter.

Prior to bolting in replacement encoders, technicians verify signal waveform integrity and SSI frame timing with handheld diagnostic tools. Utilizing flexible diaphragm couplings protects precision shaft bearings against axial thermal growth loads.

Regular torque checks on mounting screws prevent angular backlash across machine flanges.

TWK-ELEKTRONIK / TWK Elektronik GmbH and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of TWK-ELEKTRONIK / TWK Elektronik GmbH and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.