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Used controllers in China

  • Trusted Seller
    1746-IA8 | 120V AC Input

    1746-IA8 | 120V AC Input Module

    • Manufacturer: Automation

    1746-IA8 120V AC Input Module 1746-IA8 120V AC Input Module The 1746-IA8 module is a digital input module from the SLC 500 I/O modules series. It has the North American Hazardous Location Approval rating for safe...

    Fujian, China
  • Trusted Seller
    AAI141-H00 S1 | Yokogawa 16-Point

    AAI141-H00 S1 | Yokogawa 16-Point Analog Input Module

    • Manufacturer: Yokogawa

    Yokogawa AAI141-H00 S1 16-Point Analog Input Module Yokogawa AAI141-H00 S1 16-Point Analog Input Module The analog I/O module (with HART communication function) connected to a transmitter or a valve positioner re...

    Fujian, China
  • Trusted Seller
    SIEMENS 6ES7313-5BE00-0AB0 CPU MODULE

    SIEMENS 6ES7313-5BE00-0AB0 CPU MODULE

    • Manufacturer: Siemens
    • Model: 6ES7313

    CPU MODULE SIMATIC S7-300, CPU 313C COMPACT CPU WITH MPI, 24 DI/16 DO, 4AI, 2AO 1 PT100, 3 FAST COUNTERS (30 KHZ), INTEGRATED 24V DC POWER SUPPLY, 32 KBYTE WORKING MEMORY, MICRO MEMORY CARD REQUIRED Siemens 6ES7 ...

    Fujian, China
  • Trusted Seller
    1771-IG | 1771 16 Point

    1771-IG | 1771 16 Point Digital Input Module

    • Manufacturer: / Automation

    1771-IG 1771 16 Point Digital Input Module 1771-IG PLC-5 Digital Input Module, 5V DC TTL, 8-Point 1771-IG PLC-5 Digital Input Module, 8 x 5V DC Digital Inputs, TTL, Operating Voltage: 5-5.3V DC, Wiring Arm: 1771-...

    Fujian, China
  • Trusted Seller
    6ES7231-7PD22-0XA0 Siemens EM231

    6ES7231-7PD22-0XA0 Siemens EM231

    • Manufacturer: Siemens
    • Model: 6ES7

    CS21 Communications Module Get the best deals for 6ES7231-7PD22-0XA0 IN STOCK READY TO SHIP SIMATIC S7-200, Analog input EM 231, only for S7-22X CPU, 4 AI, +/-80 MV a. thermocouples Type J, K, S, T, R, E, N; 15 b...

    Fujian, China
  • Trusted Seller
    6ES7231-7PB22-0XA0 Siemens analog input module

    6ES7231-7PB22-0XA0 Siemens analog input module

    • Manufacturer: Siemens
    • Model: 6ES7

    CS21 Communications Module Get the best deals for 6ES7231-7PB22-0XA0 IN STOCK READY TO SHIP SIMATIC S7-200, Analog input EM 231, only for S7-22X CPU, 2 AI, Pt100/200/500/1000/10000, NI100/120/1000, CU10, Resistan...

    Fujian, China
  • Trusted Seller
    KJ3001X1-BA1 Emerson discrete input module

    KJ3001X1-BA1 Emerson discrete input module

    • Manufacturer: Emerson
    • Model: KJ3001

    INPUT MODULE Get the best deals for KJ3001X1-BA1 1290549X152 IN STOCK READY TO SHIP Product Parameters: KJ3001X1-BA1 Discrete Input Module INPUT MODULE,8CHANNEL,24VDC,ISOLATED CARD Power Specifications LocalBus p...

    Fujian, China
  • Trusted Seller
    MC-TAIH04 | 51305900-175 Honeywell Analog

    MC-TAIH04 | 51305900-175 Honeywell Analog Input Module

    • Manufacturer: Honeywell

    HONEYWELL MC-TAIH04 51305900-175 Analog Input Module HONEYWELL MC-TAIH04 51305900-175 Analog Input Module HLAI/HART-FTA; SINGLE IOP INTERFACE;COMP TERM Analog Input – High Level, HART Capable HLAI/HART-FTA; SINGL...

    Fujian, China
  • Trusted Seller
    DSAB-02C | ABB | Brand

    DSAB-02C | ABB | Brand New

    • Manufacturer: ABB

    Analog Input Module Get the best deals for DSTD108P IN STOCK READY TO SHIP ABB DSTD108P In Stock,New Original ABB DSAB-02C Brand New In Stock ABB DSAB-02C Brand New In Stock ABB DSAB-02C Brand New In Stock Relate...

    Fujian, China
  • Trusted Seller
    NDSI02 | ABB Bailey Digital

    NDSI02 | ABB Bailey Digital Input Module

    • Manufacturer: ABB

    ABB Bailey NDSI02 Digital Input Module ABB Bailey NDSI02 Digital Input Module The NDSI02 acts as a passive contact input interface. In-puts are available to the Logic Master Module,Multi-Function Controller (MFC)...

    Fujian, China
  • Trusted Seller
    FBM242 P0916TA Foxboro OUTPUT MODULE

    FBM242 P0916TA Foxboro OUTPUT MODULE

    • Manufacturer: Foxboro

    OUTPUT MODULE FBM242, Externally Sourced, Discrete Output Interface Module IN STOCK READY TO SHIP OUTPUT MODULE FBM242 16POINT 2AMP 60VDC RELAY,SYSTEM TYPE ONLY FBM242 CHANNEL ISOLATED EXTERNAL SOURCE DO, Foxboro...

    Fujian, China
  • Trusted Seller
    FOXBORO 2500M/AI4UNIV//XXXXX/XXXXXX ANALOG INPUT MODULE

    FOXBORO 2500M/AI4UNIV//XXXXX/XXXXXX ANALOG INPUT MODULE

    • Manufacturer: Foxboro

    FOXBORO 2500M/AI4UNIV//XXXXX/XXXXXX ANALOG INPUT MODULE FOXBORO 2500M/AI4UNIV//XXXXX/XXXXXX ANALOG INPUT MODULE，Module 2500M/AI4UNIV Four channel – T/C, mV, mA input. Place of Origin: USA Warranty:12 Months Payme...

    Fujian, China
  • Trusted Seller
    6ES7158-3AD10-0XA0 | SIEMENS Coupler

    6ES7158-3AD10-0XA0 | SIEMENS Coupler

    • Manufacturer: Siemens
    • Model: 6ES7158

    SIEMENS 6ES7158-3AD10-0XA0 Coupler SIEMENS 6ES7158-3AD10-0XA0 Coupler SIMATIC PN/PN Coupler for deterministic data exchange between max.4 PN-Controller per subnet, also from subnet to subnet, PROFIsafe data excha...

    Fujian, China
  • Trusted Seller
    6ES7331-7PF11-0AB0 Siemens analog input

    6ES7331-7PF11-0AB0 Siemens analog input

    • Manufacturer: Siemens
    • Model: 6ES7331

    CS21 Communications Module Get the best deals for 6ES7331-7PF11-0AB0 IN STOCK READY TO SHIP SIMATIC S7-300, Analog input SM 331, isolated, 8 AI thermocouples Type B, E, J, K, L, N, R, S, T TXK/TXK (L) according t...

    Fujian, China
  • Trusted Seller
    SAI143-H33 S2 YOKOGAWA analog input

    SAI143-H33 S2 YOKOGAWA analog input module

    • Manufacturer: Yokogawa

    Power Supply Yokogawa Brand New SAI143-H33 S2 Automation Module Product Model: SAI143-H33 Spare Model: SAI143, SAI143-H33 S2, C2LG01043H Product Parameters: Analog Input Module Yokogawa SAI143-H33-S2 | Analog Inp...

    Fujian, China
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Overview

Input/Output (I/O) modules are essential components in industrial automation systems. They serve as the interface between various field devices and the control system, allowing the exchange of data and signals. I/O modules can handle both analog and digital inputs and outputs, making them crucial for monitoring and controlling processes in manufacturing, energy, and other sectors.

FAQ

What should I consider when buying an I/O module?

Consider the compatibility with your existing control system, the number of input and output channels, and the type of signals (analog or digital) it supports. Reliability and ease of integration are also important factors.

How do I ensure the I/O module is shipped safely to my location?

Use a reputable shipping service that specializes in electronics. Ensure the module is properly packaged with anti-static materials and secured to prevent damage during transit.

What is the maintenance schedule for an I/O module?

Regular maintenance includes inspecting connections for wear or corrosion, ensuring the module is clean and free from dust, and checking for any firmware updates from the manufacturer. Consult the manufacturer’s manual for detailed maintenance intervals.