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DC 12V 24V 32-Channels DIN35 C45 Rail Box RS485 Modbus RTU Uln2803A Darlington Transistor Controller PLC Io Expansion Board

DC 12V 24V 32-Channels DIN35 C45 Rail Box RS485 Modbus RTU Uln2803A Darlington Transistor Controller PLC Io Expansion Board

US $ 14.71-17.14 / pieces FOB
10 pieces (MOQ)
More
Main Products: Temperature Humidity Meter, Electronic Module, Digital Voltmeter
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Audited Supplier
Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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12 Input 8 Output 2ai RS232 RS485 Mdbus RTU Support Expansion Module Fx3u-20mr Fx2n-40mt PLC Industrial Control Board

12 Input 8 Output 2ai RS232 RS485 Mdbus RTU Support Expansion Module Fx3u-20mr Fx2n-40mt PLC Industrial Control Board

US $ 10 / Piece FOB
2 Pieces (MOQ)
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Structure : Closed-Loop
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Shantou Xinshide Automation Equipment Co., Ltd.

Guangdong, China Since 2025
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24CH RS485 Remote Control Switch Multifunction PLC Io Expansion Board Modbus RTU 2310c24

24CH RS485 Remote Control Switch Multifunction PLC Io Expansion Board Modbus RTU 2310c24

US $ 14.85-16.5 / pieces FOB
20 pieces (MOQ)
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Main Products: Temperature Humidity Meter, Electronic Module, Digital Voltmeter
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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DC 12V 24V 32-Channels DIN35 C45 Rail Box RS485 Modbus RTU Uln2803A Darlington Transistor Controller PLC Io Expansion Board

DC 12V 24V 32-Channels DIN35 C45 Rail Box RS485 Modbus RTU Uln2803A Darlington Transistor Controller PLC Io Expansion Board

US $ 16.5-17.4 / pieces FOB
20 pieces (MOQ)
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Certification : CE
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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F5-Bsc02 Serial Expansion PLC Board

F5-Bsc02 Serial Expansion PLC Board

US $ 42.99-61 / Piece FOB
1 Piece (MOQ)
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Main Products: HMI, PLC, Scada, Industrial Iot, Iot Gateway, Customized HMI, Customized PLC, Touch Screen, Remote Intelligent Communication Devices
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Shanghai Flexem Technology Co., Ltd.

Shanghai, China Since 2021
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PLC Transistor Output Ethernet Port CPU Support Analog/Can/RS485 Expansion Boards

PLC Transistor Output Ethernet Port CPU Support Analog/Can/RS485 Expansion Boards

US $ 30-150 / Piece FOB
1 Piece (MOQ)
More
Task : Program
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Jiangsu Novotech Electronic Technology Co., Ltd.

Jiangsu, China Since 2017
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Huaqingjun 20-Channel Output PNP or NPN PLC Expansion DC Amplifier Board

Huaqingjun 20-Channel Output PNP or NPN PLC Expansion DC Amplifier Board

US $ 34-36 / Piece FOB
5 Pieces (MOQ)
Contact Supplier
Foshan Qingjun Electronics Co., Ltd.

Guangdong, China
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Cotrust Cth200 PLC H226XL 24di/16do Relay Output Ethernet Port CPU Support Analog/Can/RS485 Expansion Boards. PLC

Cotrust Cth200 PLC H226XL 24di/16do Relay Output Ethernet Port CPU Support Analog/Can/RS485 Expansion Boards. PLC

US $ 200-210 / Piece FOB
1 Piece (MOQ)
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Signal : Continuous
Contact Supplier
Cotrust Technologies Co., Ltd.

Guangdong, China
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Huaqingjun 32-Channel RS485 Modbus RTU Expansion Data Collector PLC DC Amplifier Board

Huaqingjun 32-Channel RS485 Modbus RTU Expansion Data Collector PLC DC Amplifier Board

US $ 91-93 / Piece FOB
5 Pieces (MOQ)
Contact Supplier
Foshan Qingjun Electronics Co., Ltd.

Guangdong, China
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2 Thermal Resistance Input, 2 Analog Output PLC Expansion Board

2 Thermal Resistance Input, 2 Analog Output PLC Expansion Board

US $ 52-57 / Piece FOB
1 Piece (MOQ)
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Function : Automatic Control
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Wecon Technology Co., Ltd.

Fujian, China
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Cotrust Cth200 PLC H226xm 14di/10do Relay Output CPU Support Analog/Can/RS485 Expansion Boards.

Cotrust Cth200 PLC H226xm 14di/10do Relay Output CPU Support Analog/Can/RS485 Expansion Boards.

US $ 110-130 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Cotrust Technologies Co., Ltd.

Guangdong, China
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Huaqingjun 6-Channel PLC High Power Output AC Amplifier Board for PLC Expansion Control

Huaqingjun 6-Channel PLC High Power Output AC Amplifier Board for PLC Expansion Control

US $ 23-25 / Piece FOB
5 Pieces (MOQ)
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Foshan Qingjun Electronics Co., Ltd.

Guangdong, China
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Related Searches
Cold Room Electrical Control System Variable-Frequency Drive Power Distribution Cabinet & Box Communication Module Relay
Portable Air Conditioner Ice Making Machine Mini Refrigerator Ice Cube Machine Solar Cold Room Flake Ice Machine
Cotrust Cth200 PLC 2A, 2*Ppi/ Free Ports, 1*Ethernet Port, Data Permanent Storage. Support RS485, Analog and Can Expansion Board. Support S7 Protocol

Cotrust Cth200 PLC 2A, 2*Ppi/ Free Ports, 1*Ethernet Port, Data Permanent Storage. Support RS485, Analog and Can Expansion Board. Support S7 Protocol

US $ 65-85 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Cotrust Technologies Co., Ltd.

Guangdong, China
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China Poultry Farming Equipment Electrical Control Panel Board

China Poultry Farming Equipment Electrical Control Panel Board

US $ 20,000-50,000 / Piece FOB
1 Piece (MOQ)
More
Screen Mesh : With Screen Mesh
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Changzhou Farthest Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
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Huaqingjun 4-Channel PLC DC Amplifier Board No Contact Expansion Amplifier Card

Huaqingjun 4-Channel PLC DC Amplifier Board No Contact Expansion Amplifier Card

US $ 7-8 / Piece FOB
5 Pieces (MOQ)
Contact Supplier
Foshan Qingjun Electronics Co., Ltd.

Guangdong, China
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Cth200 Cth2 216-1ad46-0X24, Support RS485, Analog and Can Expansion Board. Support Siemens S7 Protocol, PLC

Cth200 Cth2 216-1ad46-0X24, Support RS485, Analog and Can Expansion Board. Support Siemens S7 Protocol, PLC

US $ 65-85 / Piece FOB
1 Piece (MOQ)
More
Structure : Combination
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Cotrust Technologies Co., Ltd.

Guangdong, China
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8-Channel PLC High Power DC Amplifier Board No Contact Amplifier Board for PLC Expansion

8-Channel PLC High Power DC Amplifier Board No Contact Amplifier Board for PLC Expansion

US $ 24-26 / Piece FOB
5 Pieces (MOQ)
Contact Supplier
Foshan Qingjun Electronics Co., Ltd.

Guangdong, China
Chat Now Send Inquiry
Cotrust Cth200 PLC H226XL 24di/16do Transistor Output Ethernet Port CPU Support Analog/Can/RS485 Expansion Boards. PLC

Cotrust Cth200 PLC H226XL 24di/16do Transistor Output Ethernet Port CPU Support Analog/Can/RS485 Expansion Boards. PLC

US $ 195-205 / Piece FOB
1 Piece (MOQ)
More
Customized : Customized
Contact Supplier
Cotrust Technologies Co., Ltd.

Guangdong, China
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10-Channel High Power PLC DC Amplifier Board Expansion Board for Industrial Control

10-Channel High Power PLC DC Amplifier Board Expansion Board for Industrial Control

US $ 30-32 / Piece FOB
5 Pieces (MOQ)
Contact Supplier
Foshan Qingjun Electronics Co., Ltd.

Guangdong, China
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Cotrust Cth200 PLC H224X 14di/10do Relay Output Ethernet Port Support Analog and Can Expansion Boards

Cotrust Cth200 PLC H224X 14di/10do Relay Output Ethernet Port Support Analog and Can Expansion Boards

US $ 110-125 / Piece FOB
1 Piece (MOQ)
More
Structure : Combination
Contact Supplier
Cotrust Technologies Co., Ltd.

Guangdong, China
Chat Now Send Inquiry
Related Videos
  • What is 12 Input 8 Output 2ai RS232 RS485 Mdbus RTU Support Expansion Module Fx3u-20mr Fx2n-40mt PLC Industrial Control Board
    What is 12 Input 8 Output 2ai RS232 RS485 Mdbus RTU Support Expansion Module Fx3u-20mr Fx2n-40mt PLC Industrial Control Board
    US $ 10 /Piece
    2 Pieces (MOQ)
    Contact Supplier
  • What is F5-Bsc02 Serial Expansion PLC Board
    What is F5-Bsc02 Serial Expansion PLC Board
    US $ 42.99-61 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is PLC Transistor Output Ethernet Port CPU Support Analog/Can/RS485 Expansion Boards
    What is PLC Transistor Output Ethernet Port CPU Support Analog/Can/RS485 Expansion Boards
    US $ 30-150 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Huaqingjun 20-Channel Output PNP or NPN PLC Expansion DC Amplifier Board
    What is Huaqingjun 20-Channel Output PNP or NPN PLC Expansion DC Amplifier Board
    US $ 34-36 /Piece
    5 Pieces (MOQ)
    Contact Supplier
Electrical Control Panel Board for Feed Processing Plant

Electrical Control Panel Board for Feed Processing Plant

US $ 20,000-50,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Feed Machinery, Fertilizer Machinery, Grass Machinery, Complete Equipment
Contact Supplier
Audited Supplier
Changzhou Farthest Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
Chat Now Send Inquiry
Huaqingjun 12-Channel MOS Tube Heat Protection PLC DC Amplifier Board for PLC Expansion

Huaqingjun 12-Channel MOS Tube Heat Protection PLC DC Amplifier Board for PLC Expansion

US $ 20-22 / Piece FOB
5 Pieces (MOQ)
More
Customized : Customized
Contact Supplier
Foshan Qingjun Electronics Co., Ltd.

Guangdong, China
Chat Now Send Inquiry
Cotrust Cth2 216-2bd46-0X40, 2*Ppi/ Free Ports, 1*Ethernet Port, Support RS485, Analog and Can Expansion Board. Support for Siemens S7 Protocol, PLC

Cotrust Cth2 216-2bd46-0X40, 2*Ppi/ Free Ports, 1*Ethernet Port, Support RS485, Analog and Can Expansion Board. Support for Siemens S7 Protocol, PLC

US $ 90-130 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Cotrust Technologies Co., Ltd.

Guangdong, China
Chat Now Send Inquiry

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About Wholesale Plc Expansion Board FAQ
  • QWhat benefits do Cold Rooms bring to the Industrial Equipment & Components industry through wholesale purchases?

    Our Wholesale Plc Expansion Board offers exceptional quality and style within the Cold Room category.Cold room wholesale purchases offer cost savings, bulk buying discounts, and increased efficiency. They provide Industrial Equipment & Components enterprises with opportunities to store large volumes of products at controlled temperatures reliably.

  • QHow can I verify the reliability of Cold Room suppliers in China?

    Discover the perfect addition to your Cold Room with our Wholesale Plc Expansion Board.Verify the reliability of Cold Room suppliers in China by checking testimonials, certifications, and years of experience. Additionally, you can ask for client references and inspect previous projects to gauge the supplier's capabilities A well-known manufacturer in the field can provide a reputable reputation for reliability.

  • QWhat are the common sizes available for cold rooms used in the Industrial Equipment & Components sector?

    Upgrade your Cold Room with the elegant and durable Wholesale Plc Expansion Board.Cold rooms used in the Industrial Equipment & Components industry are available in various sizes to accommodate different needs. Manufacturers commonly offer standard dimensions as well as customizable options to meet specific requirements.

6FC5203-0af03-0AA0 PLC Controller Board Siemens

6FC5203-0af03-0AA0 PLC Controller Board Siemens

US $ 200-300 / Piece FOB
1 Piece (MOQ)
More
Certification : CE, ISO
Contact Supplier
Audited Supplier
Sichuan Focus Science and Technology Co., Ltd.

Trading Company

Sichuan, China Since 2020
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Huaqingjun 16-Channel Output PNP or NPN PLC Expansion DC Amplifier Board

Huaqingjun 16-Channel Output PNP or NPN PLC Expansion DC Amplifier Board

US $ 24-26 / Piece FOB
5 Pieces (MOQ)
Contact Supplier
Foshan Qingjun Electronics Co., Ltd.

Guangdong, China
Chat Now Send Inquiry
Cotrust Cth200 PLC H226xm 14di/10do Transistor Output Ethernet Port CPU Support Analog/Can/RS485 Expansion Boards. PLC

Cotrust Cth200 PLC H226xm 14di/10do Transistor Output Ethernet Port CPU Support Analog/Can/RS485 Expansion Boards. PLC

US $ 110-125 / Piece FOB
1 Piece (MOQ)
More
Structure : Combination
Contact Supplier
Cotrust Technologies Co., Ltd.

Guangdong, China
Chat Now Send Inquiry
16-Channel RS485 Communication Expansion PLC DC Amplifier Board Modbus Protocol 485 Data Collector with Timeout Detection

16-Channel RS485 Communication Expansion PLC DC Amplifier Board Modbus Protocol 485 Data Collector with Timeout Detection

US $ 39-42 / Piece FOB
5 Pieces (MOQ)
Contact Supplier
Foshan Qingjun Electronics Co., Ltd.

Guangdong, China
Chat Now Send Inquiry
Siemens 6es72885ba010AA0 Battery Signal Board

Siemens 6es72885ba010AA0 Battery Signal Board

US $ 25.12-26.72 / Piece FOB
1 Piece (MOQ)
More
Customized : Non-Customized
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Beijing Zhongchi Automation Equipment Co., Ltd.

Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
8ai-8di-8do Multifunction Io Expanding Board for Nano V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor

8ai-8di-8do Multifunction Io Expanding Board for Nano V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor

US $ 15-25 / pieces FOB
20 pieces (MOQ)
More
Main Products: Temperature Humidity Meter, Electronic Module, Digital Voltmeter
Contact Supplier
Audited Supplier
Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Special Offer Genuine Siemens S7-200 Smart 6es7288-5aq01-0AA0 Analog Signal Expansion Board Sb Aq01

Special Offer Genuine Siemens S7-200 Smart 6es7288-5aq01-0AA0 Analog Signal Expansion Board Sb Aq01

US $ 25-268 / Piece FOB
1 Piece (MOQ)
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Structure : Combination
Contact Supplier
Audited Supplier
Shanghai Zhongcheng Fengyuan Industrial Technology Co., Ltd.

Trading Company

Shanghai, China Since 2024
Chat Now Send Inquiry
Siemens 6es72970ax300xa0 S7-1200 Battery Board

Siemens 6es72970ax300xa0 S7-1200 Battery Board

US $ 40.59-41.95 / Piece FOB
1 Piece (MOQ)
More
Main Products: PLC, Photoelectric Sensor, Servo Motor, Sensor, Inverter, Frequency Converter Control Cabinet, Relay, Switch
Contact Supplier
Audited Supplier
Beijing Zhongchi Automation Equipment Co., Ltd.

Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Reliable New PLC Control Board for Elevators and Lifts

Reliable New PLC Control Board for Elevators and Lifts

US $ 99.99-199.99 / Piece FOB
1 Piece (MOQ)
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Control Type : Microcomputer Frequency Control
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Ascend Fuji Elevator (Suzhou) Co., Ltd

Jiangsu, China Since 2024
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Siemens 6es72885aq010AA0 Analog Signal Board

Siemens 6es72885aq010AA0 Analog Signal Board

US $ 44.13-46.94 / Piece FOB
1 Piece (MOQ)
More
Main Products: PLC, Photoelectric Sensor, Servo Motor, Sensor, Inverter, Frequency Converter Control Cabinet, Relay, Switch
Contact Supplier
Audited Supplier
Beijing Zhongchi Automation Equipment Co., Ltd.

Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Unopened Genuine Siemens S7-200 Smart Analog Signal Expansion Board 6es7288-5ae01-0AA0 Expansion Version.

Unopened Genuine Siemens S7-200 Smart Analog Signal Expansion Board 6es7288-5ae01-0AA0 Expansion Version.

US $ 28-136 / Piece FOB
1 Piece (MOQ)
More
Task : Program
Contact Supplier
Audited Supplier
Shanghai Zhongcheng Fengyuan Industrial Technology Co., Ltd.

Trading Company

Shanghai, China Since 2024
Chat Now Send Inquiry
ABB Dsqc651 Dsqc1003 3hac046408-001 Expansion Board

ABB Dsqc651 Dsqc1003 3hac046408-001 Expansion Board

US $ 279-299 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Guangzhou Yiqihang Trading Co., Ltd

Guangdong, China
Chat Now Send Inquiry
Hauqingjun 24-Channel RS485 Modbus RTU Protocol Expansion DC Transistor Output Amplifier Board for PLC

Hauqingjun 24-Channel RS485 Modbus RTU Protocol Expansion DC Transistor Output Amplifier Board for PLC

US $ 65-67 / Piece FOB
5 Pieces (MOQ)
More
Task : Adjust
Contact Supplier
Foshan Qingjun Electronics Co., Ltd.

Guangdong, China
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