B2B supply • 161 suppliers

I/O Modules Manufacturers & Wholesale Suppliers

I/O Modules are essential components in industrial automation, facilitating communication between devices and systems. Typical buyers include manufacturers, system integrators, and engineers looking to enhance their IoT applications. On Broost, you can source a variety of I/O Modules from top locations like Shenzhen, Pune, Ahmedabad, Bangalore, and Taichung, ensuring access to a diverse range of products for your automation needs.

On Broost · updated 3 Nov 2026

  • 161 suppliers of i/o modules with 271 listings. Listed from the suppliers' own public websites.
  • Most suppliers are in Shenzhen (25), Ahmedabad (9), Dongguan (8).
  • Supplier base: China (85), India (24), United States (14).
  • Listings commonly specify Model, Digital inputs, Digital outputs, Communication, Mounting.

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NDAM-4055 8-Channel Digital Input/Output Module

embedcontrol.com

🇨🇳 Guangzhou, China

Price

Quote on request

AOSI SENS-YM 8-Channel Logic Terminal Module DIN Rail Mounting

accio.com

🇨🇳 Dongguan, China

Price

US$16.71

MOQ

1

AOSI PLC Sensor Terminal Block 2 Wire 3 Wire I/O Link Input Adapter Module

accio.com

🇨🇳 Dongguan, China

Price

US$13.00

MOQ

1

PLC Splitter I/O Test Module 16 Channel Debug Board

accio.com

🇨🇳 Dongguan, China

Price

US$10.10

MOQ

1

AOSI 8/16/32 Channel Modbus TCP Remote I/O Module

accio.com

🇨🇳 Dongguan, China

Price

US$35.00

MOQ

1

IO-Link Hub PNP 2A/channel, Plastic Housing, Plastic Thread Locking

amissiontech.com

🇨🇳 Dongguan, China

Price

Quote on request

MB Series Relay I/O Modules

baoxuandz.com

🇨🇳 Dongguan, China

Price

Quote on request

Expansion I/O Module RE-3200-N

rtelligentglobal.com

🇨🇳 Shenzhen, China

Price

Quote on request

16Digital Input Industrial Control Module M410T

BLIIoT

🇨🇳 China

Price

Quote on request

8CH Analog Input Automation Control Module M330T

BLIIoT

🇨🇳 China

Price

Quote on request

4Channel Analog Input Module M230T

BLIIoT

🇨🇳 China

Price

Quote on request

M130T 8DI+4DO Industrial Ethernet I/O Module

BLIIoT

🇨🇳 China

Price

Quote on request

WAYJUN WJ61 16-Channel Digital Input RS485/RS232 Module

wayjun.net

🇨🇳 Shenzhen, China

Price

US$22.42

Leadshine R3 Series Remote I/O Modules

leadshine.com

🇨🇳 Shenzhen, China

Price

Quote on request

M140T 8DI+8DO Industrial Remote I/O Module

BLIIoT

🇨🇳 China

Price

Quote on request

BLIIoT BL194 EtherNet/IP I/O Module

BLIIoT

🇨🇳 China

Price

Quote on request

M120T 4DI+4AI+4DO+2AO Remote I/O Module

BLIIoT

🇨🇳 China

Price

Quote on request

Fanuc IC670MDL740B I/O Module

adatronix.in

🇮🇳 Bangalore, India

Price

₹1,500 (≈ US$15.80 indicative, 4 Nov)

MOQ

1

ABB DO810 3BSE008510R1 Digital Output Module

adatronix.in

🇮🇳 Bangalore, India

Price

₹11,569 (≈ US$121.87 indicative, 4 Nov)

MOQ

1

Honeywell GMR-PA1B Differential Analog Input Module

adatronix.in

🇮🇳 Bangalore, India

Price

₹18,529 (≈ US$195.19 indicative, 4 Nov)

MOQ

1

M-System R7C-SV4-R I/O Module

adatronix.in

🇮🇳 Bangalore, India

Price

Quote on request

MOQ

1

Field I/O modules (digital, analog, and Modbus; specific model not listed)

dncltech.com

🇮🇳 Bangalore, India

Price

Quote on request

MicroLOGIX PLC System Design and Commissioning

e-micrologix.com

🇮🇳 Bangalore, India

Price

Quote on request

UniMAT UN 232-4HB32-0XB0 Analog Output Module

unimatautomation.com

🇨🇳 Shenzhen, China

Price

Quote on request

UniMAT UN 231-5ND32-0XB0 Analog Input Module

unimatautomation.com

🇨🇳 Shenzhen, China

Price

Quote on request

UniMAT UN 221-1BF32-0XB0 Digital Input Module

unimatautomation.com

🇨🇳 Shenzhen, China

Price

Quote on request

PLC-HE Series Expansion Modules

LICHUAN

🇨🇳 China

Price

Quote on request

Haiwell Card-type PLC Modules

en.haiwell.com

🇨🇳 Xiamen, China

Price

Quote on request

ISE30A Series Digital Pressure Switch

compelgroup.co.uk

🇬🇧 United Kingdom

Price

£44.99 (≈ US$60.33 indicative, 4 Nov)

Delta DVP-PM Series PLC Expansion Modules

delta-china.com.cn

🇨🇳 Shanghai, China

Price

Quote on request

Delta DVP-MC Series PLC Expansion Modules

delta-china.com.cn

🇨🇳 Shanghai, China

Price

Quote on request

SIMATIC ET 200SP 6ES7193-6AR00-0AA0 BusAdapter

PLC Provider Ltd

🇨🇳 Chongqing, China

Price

Quote on request

SIMATIC DP 6ES7138-4FB04-0AB0 ET 200S Electronics Module

PLC Provider Ltd

🇨🇳 Chongqing, China

Price

Quote on request

GE Fanuc IC693CHS391J 90-30 Series I/O Baseplate

amikong.com

🇨🇳 Xiamen, China

Price

Quote on request

Foxboro FBM214 Fieldbus I/O Module

amikong.com

🇨🇳 Xiamen, China

Price

Quote on request

B&R X20SI9100 Input Module

amikong.com

🇨🇳 Xiamen, China

Price

Quote on request

HIMA HIMatrix F3DIO20/8 02 Remote I/O Module

amikong.com

🇨🇳 Xiamen, China

Price

Quote on request

ABB Bailey IMRIO22 Remote Rack I/O Module

amikong.com

🇨🇳 Xiamen, China

Price

Quote on request

Haiwell Classic PLC Digital Module H40XDP-e

en.haiwell.com

🇨🇳 Xiamen, China

Price

Quote on request

WideIOT WD140 Industrial IoT Terminal

wideiot.com

🇨🇳 Xiamen, China

Price

Quote on request

BECKHOFF KL2408 8-Channel Digital Output Module

controller-plc.com

🇨🇳 Wuhan, China

Price

Quote on request

ABB 1VCF309499S0012 DCS Module Control Module Feeder

controller-plc.com

🇨🇳 Wuhan, China

Price

Quote on request

MOQ

1

UN 232-4HD32-0XB0 Analog Output Module

unimatautomation.com

🇨🇳 Wuhan, China

Price

Quote on request

UN 234-4HE32-0XB0 Analog Input/Output Module

unimatautomation.com

🇨🇳 Wuhan, China

Price

Quote on request

UN 332-5HD01-0AB0 4-Channel Analog Output Module

unimatautomation.com

🇨🇳 Wuhan, China

Price

Quote on request

UN 232-4HB32-0XB0 Analog Output Module

unimatautomation.com

🇨🇳 Wuhan, China

Price

Quote on request

Honeywell CC-TDIL11 Digital Input Module 24V IOTA, Red., (32)

hkxy-instrument.com

🇨🇳 Wuhan, China

Price

Quote on request

Economical 16-channel digital I/O IO-Link slave series

superisys.com.cn

🇨🇳 Wuhan, China

Price

Quote on request

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What to specify when sourcing i/o modules

  • Type of module (e.g., Ethernet, WiFi, LoRa)
  • Input/output specifications
  • Communication protocols supported
  • Power requirements
  • Environmental ratings (e.g., IP rating)
  • Minimum order quantity (MOQ)
  • Packaging requirements

Frequently asked questions

What factors influence the pricing of I/O Modules?

Pricing for I/O Modules can be influenced by factors such as the type of technology used, the complexity of the module, and the volume of the order. Customization and certifications may also affect costs.

What is the typical minimum order quantity (MOQ) for I/O Modules?

Minimum order quantities for I/O Modules can vary significantly between suppliers. It's advisable to check individual listings on Broost to find the MOQ that best suits your purchasing needs.

How do manufacturers ensure the quality of I/O Modules?

Manufacturers typically implement quality checks through rigorous testing, adherence to industry standards, and certifications. Buyers can request details on quality assurance processes when submitting RFQs.

What are the lead times for sourcing I/O Modules from different locations?

Lead times for I/O Modules can vary based on the supplier's location, production capacity, and shipping methods. It's recommended to inquire about specific lead times when requesting quotes.

Can I source I/O Modules with specific certifications?

Yes, many suppliers offer I/O Modules with various certifications. When submitting an RFQ, specify the required certifications to ensure compliance with industry standards.

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Sourcing for United States

Showing suppliers who can serve your location. Prices in USD.