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Used bits in China

  • Trusted Seller
    1794-IT8 | Flex 8 Thermocouple

    1794-IT8 | Flex 8 Thermocouple Input Module

    • Manufacturer: / Automation

    1794-IT8 Flex 8 Thermocouple Input Module 1794-IT8 Flex I/O Analog Input Module Thermocouple/mV 8 Channel 1794-IT8 Flex I/O Analog Input Module, Thermocouple/mV, 8 Point; Input Signal Range: ±76.5 mV; Input Resol...

    Fujian, China
  • Trusted Seller
    1769sc-IT6I | Thermocouple input module

    1769sc-IT6I | Thermocouple input module

    • Manufacturer: Automation

    1769sc-IT6I Thermocouple input module 1769sc-IT6I Thermocouple input module This module has Six (6) input channels that are compatible with Thermocouple sensors Type J, K, T, E, R, B, S, N, C, and L and millivolt...

    Fujian, China
  • Trusted Seller
    IC695ALG312 | GE Thermocouple input

    IC695ALG312 | GE Thermocouple input module

    • Manufacturer: GE

    GE IC695ALG312 Thermocouple input module GE IC695ALG312 Thermocouple input module The IC695ALG312 is an isolated Thermocouple input module that is part of the PACSystem RX3i platform, currently under Emerson Auto...

    Fujian, China
  • Trusted Seller
    HE693THM884 | General Electric thermocouple

    HE693THM884 | General Electric thermocouple temperature sensors

    • Manufacturer: GE

    General Electric HE693THM884 thermocouple temperature sensors The HE693THM884 allows thermocouple temperature sensors to be connected to the PLC directly without the use of external signal processing such as tran...

    Fujian, China
  • Trusted Seller
    BAUMER GXMMW-A202PA2 Absolute Encoder

    BAUMER GXMMW-A202PA2 Absolute Encoder

    • Manufacturer: Baumer

    Absolute Encoder SingleTurn/MultiTurn Absolute Encoder; Clamping Flange mounting; Solid Shaft Dia. 10h6 x L:20mm Supply Voltage: 10 to 30 Vdc; Interface: SSI; Binary Code; Absolute Resolution: 13-Bit ST+16-Bit MT...

    Fujian, China
  • Trusted Seller
    IC670ALG630 | GE Thermocouple Input

    IC670ALG630 | GE Thermocouple Input Module

    • Manufacturer: GE

    GE IC670ALG630 Thermocouple Input Module Brand:GE Fanuc Series:Field Control Part Number :IC670ALG630 Number of Channels:8 Thermocouple Types:J, K, T, E, S R, B, N, G, C, D, Platinel II Converter Resolution:15 bi...

    Fujian, China
  • Trusted Seller
    IC200ALG630 | General Electric |

    IC200ALG630 | General Electric | Analog Input Thermocouple

    • Manufacturer: GE

    Analog Input Thermocouple IC200ALG630 is a 16 Bit Thermocouple Analog Input Module that accepts seven independent thermocouple or millivolt inputs Technical Specifications No. of channels: 7 Thermocouple Voltage ...

    Fujian, China
  • Trusted Seller
    6DD3460-0AC0 | Siemens Simadyn Incremental

    6DD3460-0AC0 | Siemens Simadyn Incremental encoder module

    • Manufacturer: Siemens

    Siemens 6DD3460-0AC0 Incremental encoder module Siemens 6DD3460-0AC0 Incremental encoder module Digital Control System for PT10 The PT10 processor board is used in 6SE12/13, 6RA24 converters and in the SRT techno...

    Fujian, China
  • Trusted Seller
    HE693THM166E | GE THERMOCOUPLE

    HE693THM166E | GE THERMOCOUPLE

    • Manufacturer: GE

    GE FANUC HE693THM166E THERMOCOUPLE GE FANUC HE693THM166E THERMOCOUPLE The HE693THM166 offers exceptional channel density, with 16 input channels per module. This module permits thermocouple temperature sensors to...

    Fujian, China
  • Trusted Seller
    HE693THM884M General Electric Thermocouple

    HE693THM884M General Electric Thermocouple

    • Manufacturer: GE

    communication module Get the best deals for HE693THM884M IN STOCK READY TO SHIP The HE693THM884 is a Horner APG High Resolution Thermocouple Input Module that features eight thermocouple channels. The HE693THM884...

    Fujian, China
  • PMM50A10K Pressure Switch for Doosan

    PMM50A10K Pressure Switch for Doosan Machine

    • Manufacturer: Doosan

    PMM 50A pressure switch Piston pressure switch PMM50A10K switch Doosan pressure switch This is PMM50A10K pressure switch used for Doosan machine. INQUIRY EMAIL PMM50A10K Press...

    Suzhou, China
  • DMG MORI 2863174 Pneumatic Pressure

    DMG MORI 2863174 Pneumatic Pressure Switch

    • Manufacturer: DMG Mori

    DMG MORI 2863174 PNEUMATIC PRESSURE SWITCH PRESSURE SWITCH DMG MORI switch This is band new 2863174 pneumatic pressure switch used on DMG MORI machine. INQUIRY EMAIL DMG MORI ...

    Suzhou, China
  • High Accuracy Absolute Encoders 29bits

    High Accuracy Absolute Encoders 29bits PPR Hollow Shaft 100mm

    • Manufacturer: Sino

    Detail Information: Place of origin: Guangzhou, CHINA | Certification: CE,RoHS | Minimum order quantity: 1 set | Packaging details: Carton | Payment terms: T/T, L/C | Supply ability: 3000 sets per month | Item na...

    Guangzhou, China
  • 28 Bits Hollow Shaft Absolute

    28 Bits Hollow Shaft Absolute Encoder 60mm Hollow Shaft Through Hole

    • Manufacturer: Sino

    Detail Information: Place of origin: Guangzhou, CHINA | Certification: CE,RoHS | Minimum order quantity: 1 set | Packaging details: Carton | Payment terms: T/T, L/C | Supply ability: 3000 sets per month | Item na...

    Guangzhou, China
  • 28 Bits Optical Angle Encoder

    28 Bits Optical Angle Encoder Sealed Absolute AD-60MA-C28 RoHS

    • Manufacturer: Sino

    CE Optical Angle Encoder Sealed Absolute Angle Encoders AD-60MA-C28 RoHS Angle encoder usually refers to an encoder with an accuracy within ±5''~10'' and a line count higher than 5000. Angle encoders are used for...

    Guangzhou, China
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Overview

Feedback devices are sensors and transducers—encoders, resolvers, tachometers and position sensors—used on crawler loaders and heavy equipment to provide real-time data on position, speed and direction. They enable precise control of hydraulics, drive systems and automation, and support diagnostics and safety functions. Buyers choose based on resolution, environmental rating (IP), electrical interface (analog, digital, CAN), mounting, shaft size and compatibility with the machine’s controller.

FAQ

How do I ensure a feedback device is compatible with my crawler loader?

Match electrical interface (voltage, signal type, CAN), mechanical mounting, shaft diameter, resolution and connector pinout to your controller. Provide the OEM part number or controller specs to the seller and ask for a datasheet.

What should I check when buying a used feedback device?

Inspect for shaft play, corrosion, water ingress, damaged connectors and seals. Request recent test reports, output waveform checks and serial numbers. Verify calibration history and spare-part availability.

How should feedback devices be shipped to avoid damage?

Pack with shaft caps, anti-static wrap, desiccant and vibration-damping material inside a sturdy crate. Label fragile, insure the shipment and include a parts list and datasheet for customs if shipping internationally.

What maintenance and calibration do feedback devices need?

Routine checks include visual inspection, connector cleaning, seal integrity and output testing. Calibrate after repairs, impacts or annually depending on usage. Replace bearings, seals or the unit if accuracy degrades.