PLC Accessories

PLC accessories are devices and gadgets required for the optimum performance of a programmable logic controller. These accessories include interface splitter boxes, communication cassettes and front connectors. The type of PLC you're using will determine the accessories needed.

Types of PLC accessories

A programmable logic controller receives and transmits electronic signals in any kind of electrical system. Because of this flexibility in interfacing, there are a wide range of accessories that suit different controllers. As PLC's come in various sizes, the accessories needed depend on various factors such as the input/output requirements, cable length and range.

  • Cables and connectors - available in a wide range including HMI, USB and ethernet connectors and cables.
  • Expansion modules - are the ideal solution for the acquisition and management of applications. They read and condition data from strain gauge load and communicate basic weight data back to the processor.
  • I/O modules - are one of the three core components that operate a PLC. I/O refers to input/output. PLC I/O modules act as messengers between a processor and an I/O device.
  • Power supplies - Some power supplies are embedded with switches for selecting a particular programming mode or protecting the memory. A low DC voltage output powers the various modules as well as the integral battery.
  • Programming software - is the collective term referring to the data and instructions provided to a PLC via various types of programming languages. These instructions are executed by the plug-in time switches (CPU) to operate, monitor and control machinery and equipment.
  • Racks and enclosures - are the perfect solution to mounting the modular components that hold everything together within a programmable logic controller. They're available in different sizes and mounting types including DIN rail.
  • Training manuals - offer a clear, visual explanation of the system and processes.

How to choose the right PLC accessories

Accessories for PLCs can be chosen depending on the application you need them for. For example, water treatment devices will require different PLC accessories to metallurgy systems. The range of accessories includes batteries, cables, connectors and adapters. A battery backup is used by some to protect valuable memory and data in the event of a power outage.


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Description Price Accessory Type For Use With Range Dimensions Series Input Type Termination Application Mounting Type Output Type Cable Length Number of I/O Hazardous Area Certification Number of Outputs
RS庫存編號 612-9084
製造零件編號6ES7334-0CE01-0AA0
BrandSiemens
HK$4,991.28
單位
PLC I/O Module SIMATIC S7-300 Series SIMATIC 125 x 40 x 120 mm PSI-DATA/BASIC-MODEM/RS232 Analogue - - - Analogue - - - -
RS庫存編號 453-2624
製造零件編號6ES7322-1BL00-0AA0
BrandSiemens
HK$6,137.32
單位
PLC I/O Module S7-300 Series SIMATIC 125 x 40 x 120 mm SIMATIC S7-300 Series - - - - Digital - - - -
RS庫存編號 468-5835
製造零件編號6ES7901-3DB30-0XA0
BrandSiemens
HK$2,696.75
單位
Cable 6ES Series - - - - - - - - - - - -
RS庫存編號 453-2517
製造零件編號6ES7321-1BH02-0AA0
BrandSiemens
HK$2,120.08
單位
Digital Input Expansion Module SIMATIC S7-300 Series SIMATIC 125 x 40 x 120 mm SIMATIC S7-300 Series Digital - - - - - - - -
RS庫存編號 825-1704
製造零件編號6ED1058-0BA08-0YA1
BrandSiemens
HK$638.67
單位
PLC Programming Software LOGO! 8 Series - - - - - - - - - - - -
RS庫存編號 453-2618
製造零件編號6ES7321-1BL00-0AA0
BrandSiemens
HK$4,240.17
單位
Input Relay Module S7-300 Series SIMATIC 125 x 40 x 120 mm SIMATIC S7-300 Series Digital - - - - - - - -
RS庫存編號 453-2567
製造零件編號6ES7390-1AF30-0AA0
BrandSiemens
HK$538.62
單位
Mounting Rail SIMATIC S7-300 Series - - - - - - - - - - - -
RS庫存編號 453-2545
製造零件編號6ES7331-7KF02-0AB0
BrandSiemens
HK$9,236.10
單位
PLC Expansion Module S7-300 Series - 125 x 40 x 120 mm SIMATIC S7-300 Series Analogue - - - - - - - -
RS庫存編號 746-6722
製造零件編號6ES7361-3CA01-0AA0
BrandSiemens
HK$2,846.97
單位
PLC I/O Module S7-300 Series SIMATIC 125 x 80 x 120 mm - - - - - - - - - -
RS庫存編號 746-5356
製造零件編號6XV1440-4AN10
BrandSiemens
HK$4,724.76
單位
Cable 277 Series Mobile Panel - - - - - - - - - - - -
RS庫存編號 453-2589
製造零件編號6ES7392-1AM00-0AA0
BrandSiemens
HK$496.71
單位
Connector SIMATIC S7-300 Series - - - - - - - - - - - -
RS庫存編號 746-6621
製造零件編號6ES7331-7KB02-0AB0
BrandSiemens
HK$2,556.21
單位
PLC I/O Module SIMATIC S7-300 Series SIMATIC 125 x 40 x 120 mm SM 1222 Analogue - - - - - - - -
RS庫存編號 453-2630
製造零件編號6ES7322-1HH01-0AA0
BrandSiemens
HK$4,306.68
單位
PLC I/O Module S7-300 Series SIMATIC 125 x 40 x 120 mm SIMATIC S7-300 Series - - - - Digital, Relay - - - -
RS庫存編號 746-6612
製造零件編號6ES7331-1KF02-0AB0
BrandSiemens
HK$8,610.14
單位
PLC Expansion Module SIMATIC S7-300 Series - 125 x 40 x 117 mm - Analogue - - - - - - - -
RS庫存編號 746-6628
製造零件編號6ES7331-7NF10-0AB0
BrandSiemens
HK$9,691.81
單位
PLC Expansion Module S7-300 Series - 125 x 40 x 120 mm - Analogue - - - - - - - -
RS庫存編號 453-2573
製造零件編號6ES7392-1AJ00-0AA0
BrandSiemens
HK$351.81
單位
Connector CP 343-2, CP 343-2P, SIMATIC S7 Series - - - - - - - - - - - -
RS庫存編號 453-2539
製造零件編號6ES7322-1BH01-0AA0
BrandSiemens
HK$3,120.13
單位
PLC I/O Module SIMATIC S7-300 Series SIMATIC 125 x 40 x 120 mm SIMATIC S7-300 Series - - - - Digital - - - -
RS庫存編號 612-9078
製造零件編號6ES7331-7HF01-0AB0
BrandSiemens
HK$8,892.23
單位
PLC I/O Module SIMATIC S7-300 Series SIMATIC 125 x 40 x 120 mm GRT1 Analogue - - - - - - - -
RS庫存編號 788-7006
製造零件編號7MH4960-2AA01
BrandSiemens
HK$6,469.28
單位
PLC Expansion Module SIMATIC S7-1200 - 70 x 75 x 100 mm - Digital - - - Analogue, Digital - - - -
RS庫存編號 746-6555
製造零件編號6ES7321-1FH00-0AA0
BrandSiemens
HK$2,725.82
單位
- S7-300 Series SIMATIC 125 x 40 x 120 mm Micro 800 Digital - - - - - - - -