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 893-7843
製造零件編號2700839
HK$11,233.28
單位
IB ST 24 AO 4/EF - 4 - Analogue - 4 - -10 → 10 V dc, 0 → 10 V dc 0 → 20 mA, 4 → 20 mA Analogue Output 118mm 116mm 117mm
RS庫存編號 888-7937
製造零件編號G4ODC24
BrandOpto 22
HK$147.70
單位
G4 - - DC Digital Digital DC Voltage - - - 5 → 60 V dc 3 A Digital DC Output 48.8mm 12.2mm 41.1mm
RS庫存編號 888-7849
製造零件編號G4IDC5
BrandOpto 22
HK$145.39
單位
G4 - - Digital DC Voltage Digital - - - 10 → 32 V dc, 12 → 32 V ac 50 (Sinking) mA Digital DC Input 48.8mm 12.2mm 41.1mm
RS庫存編號 888-7357
製造零件編號240D10
BrandOpto 22
HK$290.75
單位
Power - - - DC Output - - - 24 → 280 V ac - Solid State Relay 44.5mm 57.2mm 24.5mm
RS庫存編號 855-1414
製造零件編號2878052
HK$6,070.85
單位
IB IL AO 4/8/U/BP-2MBD-PAC - 8 - Analogue - - - 24 V dc - - 136.8mm 48.8mm 71.5mm
RS庫存編號 770-2435
製造零件編號TM5C12D8T
HK$2,860.00
單位
TM5 12 8 Digital Digital, Transistor Modicon LMC058, Modicon M258 - - 24 V dc 4 A - 99mm 62.5mm 75mm
全新
RS庫存編號 203-4126
製造零件編號6ES7132-6BH00-0AA0
BrandSiemens
HK$875.72
單位
6ES7132 - 16 - Digital - - - 24 V DC 8 A - - - -
RS庫存編號 787-7951
製造零件編號6ES7222-1HF32-0XB0
BrandSiemens
HK$1,206.91
單位
SM 1222 - 8 Digital Digital SIMATIC S7-1200 Series - - 24 V dc 2 A - 100mm 45mm 75mm
RS庫存編號 787-7977
製造零件編號6ES7232-4HD32-0XB0
BrandSiemens
HK$4,233.88
單位
SM 1232 - 4 Analogue Analogue SIMATIC S7-1200 Series - - 24 V dc 0 → 20 mA - 100mm 45mm 75mm
RS庫存編號 855-1464
製造零件編號2897910
HK$3,622.59
單位
IB IL DALI-PAC - - - - - - - - - - 119.8mm 12.2mm 71.5mm
全新
RS庫存編號 203-2814
製造零件編號6ES7521-1FH00-0AA0
BrandSiemens
HK$2,105.77
單位
SIMATIC S7-1500 16 - Digital - - - - 230 V AC - - - - -
RS庫存編號 135-5205
製造零件編號140AVI03000
HK$16,450.72
單位
- 8 - Analogue - Modicon PLC - - 0 → 10 V - Input - - -
全新
RS庫存編號 203-4152
製造零件編號6ES7132-6GD51-0BA0
BrandSiemens
HK$453.55
單位
6ES7132 - 4 - Digital - - - 24 V DC 8 A - - - -
RS庫存編號 623-7624
製造零件編號VBG-PB-K20-DMD
HK$8,762.12
單位
- - - - - - - - - - - 120mm 75mm 76mm
RS庫存編號 467-719
製造零件編號6GK5747-1AA30-6AA0
BrandSiemens
HK$10,631.31
單位
6GK5 747 - - - - - 5 - 24 V dc, 48 V dc - - - - -
RS庫存編號 467-753
製造零件編號6GK5308-2FM00-2AA3
BrandSiemens
HK$43,467.42
單位
6GK5 308 - - - - - 14 - 24 V dc - - 125mm 120mm 123mm
全新
RS庫存編號 203-4020
製造零件編號6ES7134-6HB00-0DA1
BrandSiemens
HK$2,541.10
單位
- - - - - - - - - - - - - -
RS庫存編號 855-1376
製造零件編號2862958
HK$1,531.24
單位
IB IL 24 DI 16-PAC/SN 16 - Digital - - - - - - - 140.5mm 48.8mm 71.5mm
RS庫存編號 147-887
製造零件編號BMXDDM16025
HK$2,160.93
單位
M340 8 8 Discrete Discrete, Relay M340 Series 16 - 24 V dc - - - - -
RS庫存編號 888-7903
製造零件編號G4OAC5A
BrandOpto 22
HK$159.36
單位
G4 1 1 Digital Digital AC Voltage - - - 24 → 280 V ac 3 A Digital AC Output 48.8mm 12.2mm 41.1mm