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 320-9137
製造零件編號FX2N-32ER-ES/UL
BrandMitsubishi
HK$3,557.84
單位
FX2N Series 16 16 - - FX2N Series - - 100 → 240 V ac - I/O Module 90mm 150mm 87mm
RS庫存編號 320-9143
製造零件編號FX2N-48ER-ES/UL
BrandMitsubishi
HK$5,090.80
單位
FX2N Series 24 24 - - FX2N Series - - 100 → 240 V ac - I/O Module 90mm 150mm 87mm
RS庫存編號 705-4925
製造零件編號FX3U-4AD
BrandMitsubishi
HK$2,985.84
單位
MELSEC FX 4 - Analogue - MELSEC FX Series 4 - 5 V dc, 24 V dc - - 90mm 55mm 87mm
RS庫存編號 455-6923
製造零件編號QX10
BrandMitsubishi
HK$1,658.80
單位
MELSEC Q 16 - Digital - MELSEC Q Series 16 - 100 → 120 V ac - - 98mm 27.4mm 90mm
RS庫存編號 320-9109
製造零件編號FX2N-16EX-ES/UL
BrandMitsubishi
HK$1,939.08
單位
FX2N Series 16 - Digital - FX2N Series - - 24 V dc - Input Module 90mm 40mm 87mm
RS庫存編號 539-0774
製造零件編號FX3U-4AD-TC-ADP
BrandMitsubishi
HK$3,409.12
單位
FX3U Series 4 - Analogue, J Type, K Type Digital, J Type, K Type FX3U Series - - 5 V dc, 24 V dc - Analogue Temperature Input Adapter 106mm 17.6mm 89.5mm
RS庫存編號 135-9288
製造零件編號FX5-C32ET/DSS
BrandMitsubishi
HK$2,166.69
單位
FX5 16 16 DC Transistor MELSEC iQ-F Series PLC 32 - 24 V dc 800 mA I/O Module 20.1mm 90mm 87mm
RS庫存編號 455-6822
製造零件編號QX80
BrandMitsubishi
HK$1,658.80
單位
MELSEC Q 16 - Digital - MELSEC Q Series 16 - 24 V dc - - 98mm 27.4mm 90mm
RS庫存編號 875-5701
製造零件編號FX5-16EX/ES
BrandMitsubishi
HK$1,939.08
單位
FX5 16 - Sink, Source - FX5U CPU Module, FX5UC CPU Module - - - - Input 40mm 90mm 83mm
RS庫存編號 492-963
製造零件編號FX2N-2DA
BrandMitsubishi
HK$3,637.03
單位
FX1N Series, FX3G Series, FX3U Series - 2 - Analogue FX1N Series, FX3G Series, FX3U Series 2 - 5 V dc, 24 V dc 4 → 20 mA - 90mm 55mm 87mm
RS庫存編號 455-6945
製造零件編號QY81P
BrandMitsubishi
HK$3,186.04
單位
MELSEC Q - 32 - Digital, Transistor MELSEC Q Series 32 - 12 → 24 V dc - - 98mm 27.4mm 90mm
RS庫存編號 705-4928
製造零件編號FX3U-4DA
BrandMitsubishi
HK$4,856.28
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 135-9281
製造零件編號FX5-C16EX/DS
BrandMitsubishi
HK$1,143.68
單位
FX5 16 - DC - MELSEC iQ-F Series PLC 16 - 24 V dc - Input 20.1mm 90mm 87mm
RS庫存編號 135-9287
製造零件編號FX5-32ET/DSS
BrandMitsubishi
HK$3,568.98
單位
FX5 16 16 DC Transistor MELSEC iQ-F Series PLC 32 - 24 V dc 1.6 A I/O Module 150mm 90mm 83mm
RS庫存編號 455-6838
製造零件編號QY80
BrandMitsubishi
HK$1,893.32
單位
MELSEC Q - 16 - Transistor MELSEC Q Series - - 12 → 24 V dc - Output Module 98mm 27.4mm 90.17mm
RS庫存編號 705-4956
製造零件編號FX3U-3A-ADP
BrandMitsubishi
HK$2,636.92
單位
FX3G Series 2 1 Analogue Analogue FX3GPLC 3 - 5 → 24 V dc - - - - -
RS庫存編號 162-5696
製造零件編號FX5-4LC
BrandMitsubishi
HK$4,804.62
單位
FX5 4 4 Analogue Transistor FX5U CPU Module, FX5UC CPU Module 8 - 24 V dc 100 mA DC Output 60mm 102.2mm 90mm
RS庫存編號 539-0730
製造零件編號FX3U-4AD-ADP
BrandMitsubishi
HK$2,774.20
單位
FX3U Series 4 - Analogue - FX3U Series - - 5 V dc, 24 V dc - Analogue I/O Adapter 106mm 17.6mm 89.5mm
RS庫存編號 455-6951
製造零件編號Q64AD
BrandMitsubishi
HK$3,340.48
單位
MELSEC Q 4 (Channel) 4 Analogue - MELSEC Q Series - - 5 V dc - Analogue Digital Converter 98mm 27.4mm 90.17mm
RS庫存編號 875-5711
製造零件編號FX5-32ET/ESS
BrandMitsubishi
HK$3,552.12
單位
FX5 16 16 Sink, Source Relay, Transistor FX5U CPU Module, FX5UC CPU Module - - 100 → 240 V ac - I/O Module 150mm 90mm 83mm