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 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
N° de stock RS 623-7680
Référence fabricantVBA-4E3A-KE-ZE/R
153,62 €
Each
Unité
- 4 3 - - - 7 - 21 → 31 V dc - - 102mm 22.5mm 99mm
N° de stock RS 623-7719
Référence fabricantVBA-4E3A-G2-ZA/EA2
194,75 €
Each
Unité
- 4 3 - - - 7 - 20 → 30 V dc - - 150mm 18.7mm 60mm
N° de stock RS 623-7703
Référence fabricant117993
134,73 €
Each
Unité
- 4 2 - - - 6 - 20 → 30 V dc - - 99.6mm 22.5mm 44mm
N° de stock RS 623-7797
Référence fabricant129381
371,48 €
Each
Unité
- 2 - Analogue - - 2 - 24 V dc - - 99mm 22.5mm 85mm
N° de stock RS 623-7753
Référence fabricantVAA-4E2A-G1-ZE/P-S
317,79 €
Each
Unité
- 4 2 - - - 6 - 26.5 → 31.6 V - - 102mm 45mm 60mm
N° de stock RS 623-7624
Référence fabricantVBG-PB-K20-DMD
985,00 €
Each
Unité
- - - - - - - - - - - 120mm 75mm 76mm
N° de stock RS 623-7725
Référence fabricant118533
92,96 €
Each
Unité
- 4 - - - - 4 - 26.5 → 31.6 V - - 99.6mm 22.5mm 50.5mm
N° de stock RS 623-7747
Référence fabricant115086
136,72 €
Each
Unité
- 4 - - - - 4 - 21 → 31 V - - 118mm 18.7mm 60mm