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Used electrical control modules in China

Trusted Seller
IC695ALG600 | General Electric | Thermocouple Input Module
- Manufacturer: GE
Mark VI IC693PWR330 PLCs/Machine Control from FANUC In Stock Module Type: Universal Analog Number of Inputs: 8 general purpose Internal Power: 3.3V: 350mA; 5V: 400 mA Number of Slots: 1 (single slot) Range (ohms)...
Fujian, China
Trusted Seller
UR 8GH | General Electric Multilin CT/VT Ground Protection Module
- Manufacturer: GE
General Electric UR 8GH Multilin CT/VT Ground Protection Module
Fujian, China
Trusted Seller
745-W3-P511-G51-HI-R-E | General Electric thermocouple input module
- Manufacturer: GE
Thermocouple Input Module Get the best deals for 745-W3-P511-G51-HI-R-E IN STOCK READY TO SHIP High quality 745-W3-P511-G51-HI-R-E General Electric Multilin Thermocouple Input Module BRAND/ MANUFACTURER: General ...
Fujian, China
Trusted Seller
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
Trusted Seller
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
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
HE693THM884N | GE Thermocouple Module
- Manufacturer: GE
GE HE693THM884N Thermocouple Module GE HE693THM884N Thermocouple ModuleThe HE693THM884 allows thermocouple temperature sensors to be connected to the PLC directly without the use of external signal processing suc...
Fujian, China
Trusted Seller
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
P0916ACOB FBM202 | FOXBORO Thermocouple Module
- Manufacturer: Foxboro
FOXBORO P0916ACOB FBM202 Thermocouple Module FOXBORO P0916ACOB FBM202 Thermocouple Module The FBM202 Thermocouple/mV Input Interface contains eight thermocouple input channels, and one isolated RTD reference junc...
Fujian, China
Trusted Seller
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
845H-SJDZ24FWY2C | | INCREMENTAL ENCODER
INCREMENTAL ENCODER Modules 845H-SJDZ24FWY2C 845H SJDZ24FWY2C Incremental Encoder INCREMENTAL ENCODER,NEMA TYPE 4,TYPE 13,SIZE 25,210KHZ FREQUENCY RESPONSE (DATA ONLY),1024 PULSES PER REVOLUTION,REPLACEMENT: 847H...
Fujian, China
IS220PTCCH1A Thermocouple Input Module
- Manufacturer: GE
- Model: IS220PTCCH1A
IS220PTCCH1A Thermocouple Input Module The IS220PTCCH1A is a thermocouple input module manufactured by GE (General Electric) and is part of the Mark VIe series. Here are its detailed specifications: Main Specifi...
Xiamen, China

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.