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 821-1772
製造零件編號CP1W-ADB21
BrandOmron
HK$1,097.25
單位
CP1W 2 - Analogue - CP1L CPU Unit 2 - 0 → 10 V 0 → 20 mA - 86mm 90mm 50mm
RS庫存編號 893-6783
製造零件編號1334810000
BrandWeidmuller
HK$223.17
單位
- - - - - Remote I/O - - - - Auxiliary Module 120mm 11.5mm 76mm
RS庫存編號 770-2431
製造零件編號TM5C12D6T6L
HK$8,620.00
單位
TM5 16 8 Analogue, Digital Analogue, Digital, Transistor Modicon LMC058, Modicon M258 - - 24 V dc 3 A - 99mm 62.5mm 75mm
RS庫存編號 770-2526
製造零件編號TM5SDI6D
HK$780.00
單位
TM5 6 - Digital - Modicon LMC058, Modicon M258 - - 24 V dc - - 99mm 12.5mm 75mm
RS庫存編號 455-6939
製造零件編號QY10
BrandMitsubishi
HK$1,874.01
單位
MELSEC Q - 16 - Digital, Relay MELSEC Q Series 16 - 24 V dc, 250 V ac - - 98mm 27.4mm 90mm
RS庫存編號 893-0656
製造零件編號1315210000
BrandWeidmuller
HK$867.95
單位
- 16 - Digital Voltage - - 16 - 5 → 11 V - Digital Input 120mm 11.5mm 76mm
RS庫存編號 548-066
製造零件編號BMXAMM0600
HK$3,540.00
單位
Modicon M340 Series 4 2 Analogue Analogue Modicon M340 6 - 24 V dc 0 → 20 mA Mixed Analogue I/O Module 307.6mm 100mm 140mm
RS庫存編號 770-2463
製造零件編號TM5SAI2PH
HK$3,010.00
單位
TM5 2 - Analogue - Modicon LMC058, Modicon M258 - - 24 V dc 46 mA - 99mm 12.5mm 75mm
RS庫存編號 467-759
製造零件編號6GK5744-1AA30-2AB0
BrandSiemens
HK$5,095.92
單位
6GK5 744 - - - - - 4 - 24 V dc, 48 V dc - - 90mm 125mm 118mm
RS庫存編號 146-024
製造零件編號GRT1OD4
BrandOmron
HK$530.00
單位
GRT1 Series - 4 - - DeviceNet Communication 4 - - - - - - -
RS庫存編號 609-8637
製造零件編號TSXCTZ1A
HK$5,237.46
單位
TSX 1 - Voltage - Modicon TSX Micro 1 (Input) - 24 V dc - - - - -
RS庫存編號 467-822
製造零件編號6GK5786-1AA60-2AB0
BrandSiemens
HK$10,225.14
單位
6GK5 786 - - - - - 3 - 48 V dc - - 251mm 251mm 72mm
RS庫存編號 893-0684
製造零件編號1315540000
BrandWeidmuller
HK$1,168.36
單位
- - - - Digital - - - - 1 (Per Channel) A, 4 (Per Module) A Digital Output 120mm 11.5mm 76mm
RS庫存編號 662-3621
製造零件編號6ES7138-4CB11-0AB0
BrandSiemens
HK$378.81
單位
ET200S - - - Current, Potential, Voltage ET200S Series - - 24 → 230 V ac, 24 → 48 V dc - Power Module 81mm 15mm 52mm
RS庫存編號 855-3363
製造零件編號2701298
HK$1,637.75
單位
IB IL 24 PWR IN/R-XC-PAC - - - - - - - - - - 119.8mm 48.8mm 71.5mm
RS庫存編號 135-9287
製造零件編號FX5-32ET/DSS
BrandMitsubishi
HK$3,563.83
單位
FX5 16 16 DC Transistor MELSEC iQ-F Series PLC 32 - 24 V dc 1.6 A I/O Module 150mm 90mm 83mm
RS庫存編號 827-3815
製造零件編號140DRA84000
HK$7,891.20
單位
Modicon Quantum - 16 - Discrete Modicon Momentum Automation Platform 16 (Output) - 5 → 30 V dc, 20 → 250 V ac, 30 → 150 V dc - - 290mm - -
RS庫存編號 889-1025
製造零件編號SNAP-ODC5-I
BrandOpto 22
HK$518.16
單位
SNAP - 4 - Digital DC Voltage SNAP PAC System 4 - 5 → 60 V dc 3 A Digital DC Output 82.55mm 18.29mm 90.17mm
RS庫存編號 889-0775
製造零件編號SNAP-D64RS
BrandOpto 22
HK$1,991.68
單位
SNAP - - - - SNAP I/O Modules - - - - - 387.35mm 112.01mm 12.7mm
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