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 674-1946
製造零件編號TM2DDI32DK
HK$2,068.03
單位
Twido Series 32 - Digital - Twido Series - - 24 V dc - Input Module 92.3mm 33.5mm 94.5mm
RS庫存編號 815-5915
製造零件編號FP2-SL2
BrandPanasonic
HK$3,945.46
單位
FP2 Series 128 128 - - FP2 Series 128 - 24 V dc 1.6 A - - - -
RS庫存編號 434-1850
製造零件編號6ES7231-7PD22-0XA0
BrandSiemens
HK$5,730.24
單位
S7-200 4 - Analogue - S7-231 Series - - 24 V dc - Input Module 80mm 71.2mm 62mm
RS庫存編號 320-9109
製造零件編號FX2N-16EX-ES/UL
BrandMitsubishi
HK$1,805.40
單位
FX2N Series 16 - Digital - FX2N Series - - 24 V dc - Input Module 90mm 40mm 87mm
RS庫存編號 512-5902
製造零件編號CJ1W-OD212
BrandOmron
HK$1,911.00
單位
SYSMAC CJ Series - 16 - Digital, Transistor SYSMAC CJ Series 16 - 24 V dc 500 mA - 89mm 31mm 95.4mm
RS庫存編號 615-2387
製造零件編號SR2COM01
HK$1,360.00
單位
Zelio Logic - - - - - - - 12 → 24 V dc - Relay 107.6mm 72mm 59.5mm
RS庫存編號 746-6713
製造零件編號6ES7360-3AA01-0AA0
BrandSiemens
HK$3,359.20
單位
6ES7 Series - - - - S7-300 Series - - - - - - - -
RS庫存編號 674-1912
製造零件編號TM2AMI2HT
HK$1,188.00
單位
Modicon M238, Twido Series 2 - Analogue - Modicon M238, Twido Series - - 24 V dc - Input Module 23.5mm 70mm 90mm
RS庫存編號 662-3167
製造零件編號6ES7131-4BD01-0AA0
BrandSiemens
HK$307.41
單位
SIMATIC ET 200S 4 - Digital - SIMATIC ET 200S Series 4 - 24 V dc - - 81mm 15mm 52mm
RS庫存編號 615-2371
製造零件編號SR2MOD02
HK$4,230.00
單位
- - - - - - - - 12 → 24 V dc - GSM modem 73mm 54.5mm 39.5mm
RS庫存編號 459-5394
製造零件編號SRT2ID161
BrandOmron
HK$1,863.40
單位
SRT2 16 - Digital Mosfet, Relay, Transistor SRT2 Series 16 - 24 V dc 300 (Per Point) mA - 105mm 48mm 50mm
RS庫存編號 405-6209
製造零件編號4825 0093
BrandSocomec
HK$1,405.90
單位
- - 4 - Analogue - - - - - - - - -
RS庫存編號 736-1444
製造零件編號LAN module
BrandGrasslin
HK$4,195.61
單位
- - - - - Talento 892 - - - - Lan Module - - -
RS庫存編號 770-2510
製造零件編號TM5SDI2D
HK$315.00
單位
TM5 2 - Digital - Modicon LMC058, Modicon M258 - - 24 V dc - - 99mm 12.5mm 75mm
RS庫存編號 662-3700
製造零件編號6ES7193-4CC20-0AA0
BrandSiemens
HK$75.50
單位
ET200S - - - - ET200S Series - - - - Terminal Module - - -
RS庫存編號 705-4928
製造零件編號FX3U-4DA
BrandMitsubishi
HK$4,630.00
單位
MELSEC FX - 4 - Analogue MELSEC FX Series 4 - 5 V dc, 24 V dc 0 → 20 mA - 90mm 55mm 87mm
RS庫存編號 855-3509
製造零件編號2861988
HK$1,227.42
單位
IB IL 24 DO 4-2MBD-PAC - 4 - Digital - - - - 2 A - 140.5mm 12.2mm 71.5mm
RS庫存編號 893-0640
製造零件編號1315180000
BrandWeidmuller
HK$475.20
單位
- 8 - Digital Voltage - - 8 - 24 V - Digital Input 120mm 11.5mm 76mm
全新
RS庫存編號 190-2092
製造零件編號2688349
HK$1,820.81
單位
AXL F DO16/1 1H - 16 - Digital - 16 - 24 V ac 8(per Module) A, 500(per Channel) mA I/O Module 35mm 54mm 126.1mm
RS庫存編號 806-6929
製造零件編號TMC4PACK01
HK$1,767.41
單位
M241 Series 2 - Analogue - Modicon M241 - - - - - - - -