PLC I/O Modules

PLC I/O modules are one of the three core components that operate a programmable logic controller. I/O refers to input/output. PLC I/O modules act as messengers between a processor and an I/O device.

How do PLC I/O modules work?

PLC I/O modules assist the data exchange between an external device and computer memory. Their main job is to process communication to the PLC and accept commands sent from a processor. They can also detect errors, run status reports and co-ordinate a timely flow of data.

Types of PLC I/O modules

The type of PLC I/O modules used by a programmable logic controller depends on the type of input device. These are categorised as input or output types. Some PLCs respond to digital inputs and outputs, whereas others respond to analog signals. Digital inputs are either on or off, and analog signals process conditions as voltage. Other types include discrete, speciality and communication modules. Smaller PLCs are usually designed with fixed I/O points.


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Description Price Manufacturer Series Number of Inputs Number of Outputs Input Type Output Type For Use With Number of I/O Interface Voltage Category Output Current Module Type Length Width Depth
RS庫存編號 806-7014
製造零件編號TM3AI2HG
HK$1,663.42
單位
TM3 Series 2 - Current, Voltage - Modicon M221, Modicon M241, Modicon M251 - - -10 → 10 V dc - - 90mm 23.6mm 70mm
RS庫存編號 136-2798
製造零件編號NXAD2603
BrandOmron
HK$1,614.80
單位
NX 2 - Analogue - CJ PLC, EtherCAT Coupler Unit, NX Series CPU Unit 2 (Input) - -10 → +10 V - Input 12mm 71mm 100mm
RS庫存編號 181-1146
製造零件編號PR100250
BrandKunbus
HK$2,590.41
單位
- - - - - - - - - - - - - -
RS庫存編號 893-0647
製造零件編號1315200000
BrandWeidmuller
HK$909.22
單位
- 16 - Digital Voltage - - 16 - 5 → 11 V - Digital Input 120mm 11.5mm 76mm
RS庫存編號 662-3678
製造零件編號6ES7151-3AA23-0AB0
BrandSiemens
HK$2,714.57
單位
ET200S - - - - ET200S Series - - 24 V dc - Interface Module 119.5mm 60mm 75mm
RS庫存編號 893-0675
製造零件編號1315270000
BrandWeidmuller
HK$867.95
單位
- - - - Digital - - - - 8 (Per Module) A, 500 (Per Channel) mA Digital Output 120mm 11.5mm 76mm
RS庫存編號 893-6752
製造零件編號1335040000
BrandWeidmuller
HK$1,983.83
單位
- - - - - - - - - - Safety Module 120mm 11.5mm 76mm
RS庫存編號 787-7951
製造零件編號6ES7222-1HF32-0XB0
BrandSiemens
HK$972.09
單位
SM 1222 - 8 Digital Digital SIMATIC S7-1200 Series - - 24 V dc 2 A - 100mm 45mm 75mm
RS庫存編號 746-2821
製造零件編號CJ1W-DA08V
BrandOmron
HK$8,134.50
單位
CJ1W Series - 8 - Analogue CJ1W Series 8 - 24 V dc 2.4 mA - 90mm 31mm 65mm
RS庫存編號 662-3606
製造零件編號6ES7151-1CA00-3BL0
BrandSiemens
HK$4,596.64
單位
SIMATIC ET 200S 16 16 Digital Digital SIMATIC ET 200S Series 32 - 24 V dc 500 mA - 81mm 120mm 58mm
RS庫存編號 760-9162
製造零件編號CP1W-20EDT
BrandOmron
HK$1,797.40
單位
CP1W 12 8 DC Transistor Omron Electronics SYSMAC CP1H/CP1L - - 24 V ac 130 mA - 86mm 90mm 50mm
RS庫存編號 623-7624
製造零件編號VBG-PB-K20-DMD
HK$10,569.73
單位
- - - - - - - - - - - 120mm 75mm 76mm
RS庫存編號 696-2128
製造零件編號2313478
HK$4,229.65
單位
FL COMSERVER BASIC 232/422/485 - - - - - - - 28 V dc, 240 V ac - - 86mm 12.3mm 96mm
RS庫存編號 674-1918
製造零件編號TM2ALM3LT
HK$2,689.86
單位
Modicon M238, Twido Series 1 1 Analogue Analogue Modicon M238, Twido Series - - 24 V dc - I/O Module 95.6mm 27.3mm 94.5mm
RS庫存編號 148-060
製造零件編號BMXEHC0200
HK$4,250.00
單位
BMX 6 2 Encoder Configurable Modicon M340 6/2 - 24 V dc 2 A - 503.2mm 100mm 150mm
RS庫存編號 124-3354
製造零件編號2906603
HK$247.92
單位
IOA REL 24V DI/BFI/1.0A/EX 1 (Digital) - Digital Relay - Field Devices 1 (Input) - - - I/O Module 10.3mm 64.2mm 72.9mm
RS庫存編號 893-6764
製造零件編號1315590000
BrandWeidmuller
HK$1,797.95
單位
- 2 - Digital Voltage - - 2 - 5 → 11 V - Digital Input 120mm 11.5mm 76mm
RS庫存編號 855-1405
製造零件編號2863931
HK$1,070.84
毎盒:4 個
Box(es)
IB IL 24 DO 4-ME - 4 - Digital - - - - 2 A - 119.8mm 12.2mm 71.5mm
RS庫存編號 812-9730
製造零件編號FC4A-J8AT1
BrandIdec
HK$10,468.78
單位
FC4A 8 - Analogue - MicroSmart Pentra CPU 8 - 24 V dc - Analog Expansion Module 90mm 27.3mm 84.6mm
RS庫存編號 667-9249
製造零件編號750-650/003-000
BrandWago
HK$2,716.34
單位
I/O SYSTEM 750 - - - - 750 Series - - 24 V dc - Communication Module 64mm 12mm 100mm