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 Stock No. 612-9084
Mfr. Part No.6ES7334-0CE01-0AA0
BrandSiemens
PHP30,566.28
Each
units
SIMATIC S7-300 Series 4 2 Analogue Analogue SIMATIC S7-300 Series 6 - 24 V dc - - 125mm 40mm 120mm
RS Stock No. 806-7004
Mfr. Part No.TM3DQ16UK
PHP8,685.69
Each
units
TM3 Series - 16 - Transistor Modicon M221, Modicon M241, Modicon M251 - - 24 V 100 mA - 90mm 17.6mm 70mm
RS Stock No. 453-2624
Mfr. Part No.6ES7322-1BL00-0AA0
BrandSiemens
PHP44,679.84
Each
units
SIMATIC S7-300 Series - 32 - Digital S7-300 Series 32 - 20.4 → 28.8 V dc 500 mA - 125mm 40mm 120mm
RS Stock No. 453-2618
Mfr. Part No.6ES7321-1BL00-0AA0
BrandSiemens
PHP38,744.65
Each
units
SIMATIC S7-300 Series 32 - Digital - S7-300 Series 32 - 20.4 → 28.8 V dc - - 125mm 40mm 120mm
RS Stock No. 735-2904
Mfr. Part No.6ES7241-1CH30-1XB0
BrandSiemens
PHP7,331.60
Each
units
S7-1200 - - - - S7-1200 Series - - - - - 62mm 38mm 21mm
RS Stock No. 662-3167
Mfr. Part No.6ES7131-4BD01-0AA0
BrandSiemens
PHP2,720.54
Each
units
SIMATIC ET 200S 4 - Digital - SIMATIC ET 200S Series 4 - 24 V dc - - 81mm 15mm 52mm
RS Stock No. 662-3561
Mfr. Part No.6ES7138-4CA01-0AA0
BrandSiemens
PHP1,228.43
Each
units
ET200S - - - Current, Potential, Voltage ET200S Series - - 24 V dc - Power Module 81mm 15mm 52mm
RS Stock No. 453-2517
Mfr. Part No.6ES7321-1BH02-0AA0
BrandSiemens
PHP12,983.25
Each
units
SIMATIC S7-300 Series 16 - Digital - SIMATIC S7-300 Series 16 - 20.4 28.8 V dc - - 125mm 40mm 120mm
RS Stock No. 787-7977
Mfr. Part No.6ES7232-4HD32-0XB0
BrandSiemens
PHP25,423.60
Each
units
SM 1232 - 4 Analogue Analogue SIMATIC S7-1200 Series - - 24 V dc 0 → 20 mA - 100mm 45mm 75mm
RS Stock No. 512-5895
Mfr. Part No.CJ1W-OC211
BrandOmron
PHP17,363.02
Each
units
SYSMAC CJ Series - 16 - Digital, Relay SYSMAC CJ Series 16 - 24 V dc, 250 V ac 2 A - 89mm 31mm 95.4mm
RS Stock No. 453-2539
Mfr. Part No.6ES7322-1BH01-0AA0
BrandSiemens
PHP22,155.32
Each
units
SIMATIC S7-300 Series - 16 - Digital SIMATIC S7-300 Series 16 - 20.4 → 28.8 V dc 4 A - 125mm 40mm 120mm
RS Stock No. 662-3595
Mfr. Part No.6ES7134-4GB01-0AB0
BrandSiemens
PHP10,534.98
Each
units
SIMATIC ET 200S 2 - Analogue - SIMATIC ET 200S Series 2 - 24 V dc - - 81mm 15mm 52mm
RS Stock No. 787-7955
Mfr. Part No.6ES7222-1HH32-0XB0
BrandSiemens
PHP12,807.64
Each
units
SM 1222 - 16 Digital Digital SIMATIC S7-1200 Series - - 24 V dc 2 A - 100mm 45mm 75mm
RS Stock No. 787-7961
Mfr. Part No.6ES7223-1PL32-0XB0
BrandSiemens
PHP24,239.80
Each
units
SM 1223 16 16 Digital Relay SIMATIC S7-1200 Series 32 - 24 V dc 2 A - 100mm 70mm 75mm
RS Stock No. 320-9121
Mfr. Part No.FX2N-16EYR-ES/UL
BrandMitsubishi
PHP14,986.38
Each
units
FX2N Series - 16 - Relay FX2N Series - - 24 V dc - Output Module 90mm 40mm 87mm
RS Stock No. 806-6957
Mfr. Part No.TM3DQ16R
PHP10,240.79
Each
units
TM3 Series - 16 - Relay Modicon M221, Modicon M241, Modicon M251 - - 24 → 240 V 2 A - 90mm 23.6mm 70mm
RS Stock No. 510-1417
Mfr. Part No.CJ1W-AD081
BrandOmron
PHP48,483.17
Each
units
SYSMAC CJ Series, SYSMAC CP1H, SYSMAC CP1L 8 - Analogue - SYSMAC CJ Series, SYSMAC CP1H Series, SYSMAC CP1L Series 8 - 0 10 V, 0 5 V, 1 5 V, -10 10 V - - 90mm 31mm 65mm
RS Stock No. 662-3592
Mfr. Part No.6ES7132-4BF00-0AA0
BrandSiemens
PHP4,915.52
Each
units
SIMATIC ET 200S - 8 - Digital SIMATIC ET 200S Series 8 - 24 V dc 500 mA - 81mm 15mm 52mm
RS Stock No. 453-2551
Mfr. Part No.6ES7332-5HD01-0AB0
BrandSiemens
PHP43,209.14
Each
units
SIMATIC S7-300 Series - 4 - Analogue SIMATIC S7-300 Series 4 - 24 V dc - - 125mm 40mm 120mm
RS Stock No. 145-936
Mfr. Part No.CJ1W-DRM21
BrandOmron
PHP45,615.47
Each
units
- - - - - CJ Series 2048 (Fixed Allocation) - 11 25 V dc - - 31mm 90mm 78.7mm
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