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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Nombre de résultats par page
Description Prix For Use With Series Accessory Type
N° de stock RS 821-1784
Référence fabricantCP1W-MAB221
MarqueOmron
189,70 €
Each
Unité
CP1L CPU Unit IB IL AI 2/SF-XC-PAC PLC I/O Module
N° de stock RS 821-1772
Référence fabricantCP1W-ADB21
MarqueOmron
107,90 €
Each
Unité
CP1L CPU Unit IB IL 24 DO 16-XC-PAC PLC I/O Module
N° de stock RS 821-1781
Référence fabricantCP1W-DAB21V
MarqueOmron
107,90 €
Each
Unité
CP1L CPU Unit IB IL CAN-MA-XC-PAC PLC I/O Module
N° de stock RS 674-1921
Référence fabricantTM2AMI4LT
234,23 €
Each
Unité
Modicon M238 TM5 PLC I/O Module
N° de stock RS 855-3476
Référence fabricant2861687
123,23 €
Each
Unité
- 750 PLC I/O Module
N° de stock RS 674-1943
Référence fabricantTM2DDI16DT
134,97 €
Each
Unité
Twido Series TM5 PLC I/O Module
N° de stock RS 889-1031
Référence fabricantSNAP-ODC5R
MarqueOpto 22
89,62 €
Each
Unité
- - -
N° de stock RS 855-3470
Référence fabricant2861690
96,26 €
Each
Unité
- FX5 PLC I/O Module
N° de stock RS 855-1436
Référence fabricant2878641
373,24 €
Each
Unité
- SIMATIC S7-1500 -
N° de stock RS 855-3467
Référence fabricant2861470
39,67 €
Each
Unité
- FX5 PLC I/O Module