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. 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. 806-7008
Mfr. Part No.TM3DQ32UK
PHP15,012.60
Each
units
TM3 Series - 32 - Source, Transistor Modicon M221, Modicon M241, Modicon M251 - - 24 V 100 mA - 90mm 30.2mm 70mm
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. 148-183
Mfr. Part No.BMXDDI1602
PHP14,019.85
Each
units
M340 16 - Discrete - M340 Series 16 - 24 V dc - - - - -
RS Stock No. 674-1965
Mfr. Part No.TM2DMM24DRF
PHP13,856.39
Each
units
Modicon M238, Twido Series 16 8 Digital Digital Modicon M238, Twido Series - - 24 V dc - I/O Module 95.6mm 42.9mm 94.5mm
RS Stock No. 674-1946
Mfr. Part No.TM2DDI32DK
PHP14,991.94
Each
units
Twido Series 32 - Digital - Twido Series - - 24 V dc - Input Module 92.3mm 33.5mm 94.5mm
RS Stock No. 148-060
Mfr. Part No.BMXEHC0200
PHP26,794.74
Each
units
BMX 6 2 Encoder Configurable Modicon M340 6/2 - 24 V dc 2 A - 503.2mm 100mm 150mm
RS Stock No. 148-105
Mfr. Part No.BMXDRA1605
PHP14,751.65
Each
units
M340 - 16 - Discrete, Relay M340 Series 16 - 24 → 240 V ac, 24 V dc - - - - -
RS Stock No. 148-206
Mfr. Part No.BMXDDI3202K
PHP18,087.82
Each
units
M340 32 - Discrete - M340 Series 32 - 24 V dc - - - - -
RS Stock No. 147-641
Mfr. Part No.BMXDDO1602
PHP11,205.22
Each
units
M340 - 16 - Discrete, Transistor M340 Series 16 - 24 V dc - - - - -
RS Stock No. 674-1952
Mfr. Part No.TM2DDO32TK
PHP13,368.29
Each
units
Modicon M238, Twido Series - 32 - Digital Modicon M238, Twido Series - - 24 V dc 400 mA Output Module 92.3mm 33.5mm 94.5mm
RS Stock No. 770-2447
Mfr. Part No.TM5C24D18T
PHP30,534.13
Each
units
TM5 24 18 Digital Digital, Transistor Modicon LMC058, Modicon M258 - - 24 V dc 9 A - 99mm 62.5mm 75mm
RS Stock No. 806-6998
Mfr. Part No.TM3DQ16U
PHP10,008.53
Each
units
TM3 Series - 16 - Transistor Modicon M221, Modicon M241, Modicon M251 - - 24 V 500 mA - 90mm 23.6mm 70mm
RS Stock No. 770-2444
Mfr. Part No.TM5C24D12R
PHP28,197.75
Each
units
TM5 24 12 Digital Relay Modicon LMC058, Modicon M258 - - 24 V dc 2 A - 99mm 62.5mm 75mm
RS Stock No. 806-6948
Mfr. Part No.TM3DQ8RG
PHP7,021.73
Each
units
TM3 Series - 8 - Relay Modicon M221, Modicon M241, Modicon M251 - - 24 → 240 V 2 A - 90mm 23.6mm 70mm
RS Stock No. 674-1937
Mfr. Part No.TM2AMO1HT
PHP10,116.55
Each
units
Modicon M238, Twido Series - 1 - Analogue Modicon M238, Twido Series - - 24 V dc - Output Module 95.6mm 27.3mm 94.5mm
RS Stock No. 253-2341
Mfr. Part No.TSXDMZ64DTK
PHP51,883.86
Each
units
Modicon TSX Micro 32 32 (Solid State) Discrete Discrete Modicon TSX 64 - 24 V dc 100 mA - - - -
RS Stock No. 806-6960
Mfr. Part No.TM3DQ16TG
PHP10,008.53
Each
units
TM3 Series - 16 - Source, Transistor Modicon M221, Modicon M241, Modicon M251 - - 24 V 500 mA - 90mm 23.6mm 70mm
RS Stock No. 674-1940
Mfr. Part No.TM2DDI8DT
PHP5,543.26
Each
units
Twido Series 8 - Digital - Twido Series - - 24 V dc - Input Module 90mm 24mm 70mm
RS Stock No. 674-1943
Mfr. Part No.TM2DDI16DT
PHP10,503.26
Each
units
Twido Series 16 - Digital - Twido Series - - 24 V dc - Input Module 90mm 24mm 70mm