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PLC Controllers

Programmable Logic Controllers (PLCs) are rugged industrial computers used to automate machines and processes in factories, plants, and other industrial environments. PLCs take inputs (from sensors, switches and buttons), processes logic (based on a programmed set of rules), and controls outputs (motors, valves, lights, alarms). Common applications for PLCs include assembly lines, robotic arms, conveyor systems, packaging machines, and sorting systems.

Programmable Logic Controllers (PLCs) are in stock at Mouser and available for same day shipping. Mouser is an authorized distributor for many Programmable Logic Controller manufacturers including Arduino, IDEC, Industrial Shields, Omron, Opto 22, Phoenix Contact, Schneider Electric, Siemens & more.

Please view our large selection of programmable logic controllers (PLCs) below.

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Results: 3,805

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Part #

PLC Controllers SIMATIC S7-1500, FAILSAFE DIGITAL INPUT

6ES75261BH000AB0
Siemens
1: $1,398.62
3In Stock
New At Mouser

Mfr. Part No.
6ES75261BH000AB0

Mouser Part No
982-6ES75261BH000AB0

New At Mouser

Siemens

PLC Controllers SIMATIC S7-1500, FAILSAFE DIGITAL INPUT

3In Stock

$1,398.62

Min.: 1
Mult.: 1

Digital Input Module

PLC Controllers SIMATIC S7-1500, FAILSAFE DIGITAL OUTPUT

6ES75262BF000AB0
Siemens
1: $1,565.69
2In Stock
New At Mouser

Mfr. Part No.
6ES75262BF000AB0

Mouser Part No
982-6ES75262BF000AB0

New At Mouser

Siemens

PLC Controllers SIMATIC S7-1500, FAILSAFE DIGITAL OUTPUT

2In Stock

$1,565.69

Quote

Min.: 1
Mult.: 1

Digital Output Module

PLC Controllers Industrial Raspberry Pi PLC, CE/FCC/IC compliant, with wide range of digital and analog inputs and outputs, NO/NC relays, UPS, RS-232, RS-485 (Modbus), CAN, dual SD card, RTC, watchdog, secure element.

ICMX20X43
Sfera Labs
1: $948.17
2In Stock

Mfr. Part No.
ICMX20X43

Mouser Part No
189-ICMX20X43

Sfera Labs

Learn More

Datasheet

2In Stock

$948.17

Min.: 1
Mult.: 1

8 Input

8 Output

DIN Rail Mount

50 V

10 V

Analog, Digital

I2C, SPI

Iono Pi

IP20

- 20 C

+ 60 C

106.5 mm x 105.5 mm x 62 mm

PLC Controllers Base specifically design for industrial application. DC Power in 9-24V.

K011-B-V11
M5Stack
1: $11.96
7In Stock

Mfr. Part No.
K011-B-V11

Mouser Part No
170-K011-B-V11

M5Stack

PLC Controllers Base specifically design for industrial application. DC Power in 9-24V.

Datasheet

7In Stock

$11.96

Min.: 1
Mult.: 1

PLC Controllers 16IO CPU 12VDC Relay

FC6A-C16R1DE
IDEC
1: $410.25
2In Stock

Mfr. Part No.
FC6A-C16R1DE

Mouser Part No
199-FC6A-C16R1DE

IDEC

PLC Controllers 16IO CPU 12VDC Relay

Learn More

Datasheet

2In Stock

$410.25

$346.21

$344.50

Min.: 1
Mult.: 1

FC6A

PLC Controllers 16IO CPU 24VDC Trans. Source

FC6A-C16P1CE
IDEC
1: $397.16
2In Stock

Mfr. Part No.
FC6A-C16P1CE

Mouser Part No
199-FC6AC16P1CE

IDEC

PLC Controllers 16IO CPU 24VDC Trans. Source

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Datasheet

2In Stock

$397.16

$362.54

$341.13

Min.: 1
Mult.: 1

FC6A

PLC Controllers 24IO CPU 100-240VAC Relay

FC6A-C24R1AE
IDEC
1: $498.62
1In Stock

Mfr. Part No.
FC6A-C24R1AE

Mouser Part No
199-FC6AC24R1AE

IDEC

PLC Controllers 24IO CPU 100-240VAC Relay

Learn More

Datasheet

1In Stock

$498.62

$480.68

Min.: 1
Mult.: 1

FC6A

PLC Controllers 24IO CPU 24VDC Relay

FC6A-C24R1CE
IDEC
1: $492.70
3In Stock

Mfr. Part No.
FC6A-C24R1CE

Mouser Part No
199-FC6AC24R1CE

IDEC

PLC Controllers 24IO CPU 24VDC Relay

Learn More

Datasheet

3In Stock

$492.70

$443.57

Min.: 1
Mult.: 1

FC6A

PLC Controllers 4pt Voltage Current Input Mod

FC6A-J4A1
IDEC
1: $311.71
1In Stock

Mfr. Part No.
FC6A-J4A1

Mouser Part No
199-FC6AJ4A1

IDEC

PLC Controllers 4pt Voltage Current Input Mod

Learn More

Datasheet

1In Stock

$311.71

$302.55

$280.49

Min.: 1
Mult.: 1

FC6A

PLC Controllers 8pt Thermo Thermistor Inp Mod

FC6A-J8CU1
IDEC
1: $377.96
1In Stock

Mfr. Part No.
FC6A-J8CU1

Mouser Part No
199-FC6AJ8CU1

IDEC

PLC Controllers 8pt Thermo Thermistor Inp Mod

Learn More

Datasheet

1In Stock

$377.96

Min.: 1
Mult.: 1

FC6A

PLC Controllers 2in 1out Universal Analog Mod

FC6A-L03CN1
IDEC
1: $322.71
2In Stock

Mfr. Part No.
FC6A-L03CN1

Mouser Part No
199-FC6AL03CN1

IDEC

PLC Controllers 2in 1out Universal Analog Mod

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Datasheet

2In Stock

$322.71

$296.16

$290.73

Min.: 1
Mult.: 1

FC6A

PLC Controllers 16pt 24VDC Exp Module Screw

FC6A-N16B1
IDEC
1: $232.53
7In Stock

Mfr. Part No.
FC6A-N16B1

Mouser Part No
199-FC6AN16B1

IDEC

PLC Controllers 16pt 24VDC Exp Module Screw

Learn More

Datasheet

7In Stock

$232.53

$217.21

$209.74

$204.73

View

Min.: 1
Mult.: 1

FC6A

PLC Controllers 32pt 24VDC Exp Module MIL

FC6A-N32B3
IDEC
1: $357.82
1In Stock

Mfr. Part No.
FC6A-N32B3

Mouser Part No
199-FC6AN32B3

IDEC

PLC Controllers 32pt 24VDC Exp Module MIL

Learn More

Datasheet

1In Stock

$357.82

$351.96

Min.: 1
Mult.: 1

FC6A

PLC Controllers RS485 communication adapter

FC6A-PC3
IDEC
1: $77.83
6In Stock

Mfr. Part No.
FC6A-PC3

Mouser Part No
199-FC6APC3

IDEC

PLC Controllers RS485 communication adapter

Learn More

Datasheet

6In Stock

$77.83

$71.09

$68.34

$65.12

View

Min.: 1
Mult.: 1

FC6A

PLC Controllers 2pt 0-10V 4-20mA Analog input

FC6A-PJ2A
IDEC
1: $174.69
5In Stock

Mfr. Part No.
FC6A-PJ2A

Mouser Part No
199-FC6APJ2A

IDEC

PLC Controllers 2pt 0-10V 4-20mA Analog input

Learn More

Datasheet

5In Stock

$174.69

$169.04

$162.49

$157.70

Min.: 1
Mult.: 1

FC6A

PLC Controllers 2pt Thermocouple RTD Input

FC6A-PJ2CP
IDEC
1: $138.79
8In Stock

Mfr. Part No.
FC6A-PJ2CP

Mouser Part No
199-FC6APJ2CP

IDEC

PLC Controllers 2pt Thermocouple RTD Input

Learn More

Datasheet

8In Stock

$138.79

$131.99

$126.86

$123.13

Min.: 1
Mult.: 1

FC6A

PLC Controllers 16pt Relay Exp Module Screw

FC6A-R161
IDEC
1: $297.44
5In Stock

Mfr. Part No.
FC6A-R161

Mouser Part No
199-FC6AR161

IDEC

PLC Controllers 16pt Relay Exp Module Screw

Learn More

Datasheet

5In Stock

$297.44

$244.87

Min.: 1
Mult.: 1

FC6A

IP20

- 25 C

+ 65 C

PLC Controllers 4in 4out 24 VAC-DC Exp. Module

FL1F-M08D2R2
IDEC
1: $100.67
10In Stock

Mfr. Part No.
FL1F-M08D2R2

Mouser Part No
199-FL1F.M08D2R2

IDEC

PLC Controllers 4in 4out 24 VAC-DC Exp. Module

Learn More

Datasheet

10In Stock

$100.67

$91.52

$86.34

$82.24

View

Min.: 1
Mult.: 1

Digital I/O Expansion Module

FL1F

PLC Controllers SmartRelay CPU 24VAC-DC

FL1F-B12RCA
IDEC
1: $180.40
4In Stock

Mfr. Part No.
FL1F-B12RCA

Mouser Part No
199-FL1FB12RCA

IDEC

PLC Controllers SmartRelay CPU 24VAC-DC

Learn More

Datasheet

4In Stock

$180.40

$174.15

$167.54

$160.10

Min.: 1
Mult.: 1

CPU Module

8 Input

4 Output

Chassis Mount

24 VAC, 24 VDC

Relay

LED

FL1F

IP20

- 20 C

+ 55 C

71.5 mm x 90 mm x 60 mm

PLC Controllers SmartRelay CPU 100-20VAC-DC

FL1F-B12RCC
IDEC
1: $185.43
3In Stock

Mfr. Part No.
FL1F-B12RCC

Mouser Part No
199-FL1FB12RCC

IDEC

PLC Controllers SmartRelay CPU 100-20VAC-DC

Learn More

Datasheet

3In Stock

$185.43

$182.21

$172.95

$165.29

Min.: 1
Mult.: 1

FL1F

PLC Controllers SmartRelay CPU 100-20VAC-DC

FL1F-H12RCC
IDEC
1: $241.80
7In Stock

Mfr. Part No.
FL1F-H12RCC

Mouser Part No
199-FL1FH12RCC

IDEC

PLC Controllers SmartRelay CPU 100-20VAC-DC

Learn More

Datasheet

7In Stock

$241.80

$214.12

$210.62

Min.: 1
Mult.: 1

CPU Module

8 Input

4 Output

Chassis Mount

240 VAC, 240 VDC

100 VAC, 100 VDC

Relay

LED

FL1F

IP20

- 20 C

+ 55 C

71.5 mm x 90 mm x 60 mm

PLC Controllers 4in 4out 12-24VDC Exp. Module

FL1F-M08B2R2
IDEC
1: $111.43
11In Stock
11Expected 2026/07/10

Mfr. Part No.
FL1F-M08B2R2

Mouser Part No
199-FL1FM08B2R2

IDEC

PLC Controllers 4in 4out 12-24VDC Exp. Module

Learn More

Datasheet

11In Stock

11Expected 2026/07/10

$111.43

$96.81

$90.38

$82.98

$82.32

Min.: 1
Mult.: 1

Digital I/O Expansion Module

Relay

FL1F

IP20

- 20 C

+ 55 C

PLC Controllers 4in 4out 100-240VAC Exp Module

FL1F-M08C2R2
IDEC
1: $105.16
10In Stock

Mfr. Part No.
FL1F-M08C2R2

Mouser Part No
199-FL1FM08C2R2

IDEC

PLC Controllers 4in 4out 100-240VAC Exp Module

Learn More

Datasheet

10In Stock

$105.16

$95.95

$90.38

$86.10

$82.32

Min.: 1
Mult.: 1

Digital I/O Expansion Module

Relay

FL1F

IP20

- 20 C

+ 55 C

PLC Controllers PLC 10 I/O's Relay Module with CPU ESP32

013002000200
Industrial Shields
1: $185.23
5In Stock

Mfr. Part No.
013002000200

Mouser Part No
244-013002000200

Industrial Shields

PLC Controllers PLC 10 I/O's Relay Module with CPU ESP32

Learn More

Datasheet

5In Stock

$185.23

$162.11

Min.: 1
Mult.: 1

I/O Module

10 Input

10 Output

Panel Mount

Digital

0 C

+ 60 C

100 mm x 45 mm x 115 mm

PLC Controllers PLC Arduino ARDBOX 20 I/Os Relay HF Modbus (RS485 configured by default)

IS.AB20REL.HF+
Industrial Shields
1: $222.92
8In Stock

Mfr. Part No.
IS.AB20REL.HF+

Mouser Part No
244-IS.AB20REL.HF

Industrial Shields

PLC Controllers PLC Arduino ARDBOX 20 I/Os Relay HF Modbus (RS485 configured by default)

Learn More

Datasheet

8In Stock

$222.92

$202.57

$195.44

$176.03

View

Min.: 1
Mult.: 1

PLC Arduino Box

10 Input

10 Output

DIN Rail Mount

24 V

12 V

Relay

0 C

+ 60 C

13 cm x 14 cm x 8 cm

PLC Controllers

Customer Service Office

Company

Resources

Support

ABB
Advantech
Altech
Altera
Arduino
Banner Engineering
Carlo Gavazzi
ControlByWeb
Crouzet
Delta Electronics
DFRobot
Digi International
Display Visions
Eaton
EDATEC
HMS Networks
IDEC
Industrial Shields
KUNBUS
L-Com
M5Stack
MEAN WELL
Molex
Murrelektronik
Omron
Opto 22
Panasonic
Phoenix Contact
Schneider Electric
Seeed Studio
Sfera Labs
Siemens
Telemecanique Sensors
Weidmuller
Weintek

4 Analog Input Module
8 Multifunction Signal Module
1-Phase AC
1-Phase AC/DC
3-Phase AC
AC Digital Output Module
AC Input Module
AC/DC Input Module
AS-Interface Master
AT and T Cellular Carrier Wireless Controller
Accessory Kit
Analog Current Input Module
Analog Current Loop Output Module
Analog Frequency Input Module
Analog I/O Module
Analog Input Module
Analog Input and RTD Module
Analog Multifunction Output Module
Analog Ouput Interface Module
Analog Output Module

1 Input
2 Input
3 Input
4 Input
5 Input
6 Input
7 Input
8 Input
9 Input
10 Input
11 Input
12 Input
13 Input
14 Input
16 Input
17 Input
18 Input
19 Input
20 Input
21 Input

0 Output
1 Output
2 Output
3 Output
4 Output
5 Output
6 Output
7 Output
8 Output
9 Output
10 Output
11 Output
12 Output
14 Output
16 Output
17 Output
19 Output
22 Output
24 Output
25 Output

3.3 V
5 V, 30 V
5 VDC
5.2 V
10 V
12 VDC, 24 VDC
20.8 V
24 V
24 VAC
24 VAC, 24 VDC
24 VAC/24 VDC
24 VDC
24 VDC, 240 VAC
25.4 V
25.4 VDC
26.4 V
26.4 VAC, 28.8 VDC
26.4 VAC. 28.8 VDC
28 V
28 VDC

0 V, 11 V
- 10 V
5 V
5 VDC
8 V
9 V
9 VDC
10 V
10 VDC
10.8 V
10.8 VDC
11.4 V
11.4 VDC
12 V
12 VAC/12 VDC
12 VDC
12 VDC, 24 VDC
19.2 V
19.2 VDC
20 VDC

2 Output
AC
Analog
Analog, Digital
Analog, Digital, PWM
Analog, Digital, PWM, Relay
Analog, Digital, Relay
Analog, NMOS
Analog / Digital
Analog Output
CMOS/TTL
Current, Voltage
DC
Digital
Digital, PWM
Digital, PWM, Relay
Digital Output
Discrete Relay NO
High Current Relay
NMOS

Bluetooth, Ethernet, RS-485, USB Type-C, WiFi
Bluetooth, Ethernet, USB, WiFi
CAN
CAN, Ethernet, RS-485, USB
Digital
Ethernet
Ethernet, CANopen, RS485
Ethernet, RS-485, USB
Ethernet, RS-485, USB Type-C
Ethernet, Serial
Ethernet, SmartWire-DT, USB Host
Ethernet, USB
Ethernet, USB Type-C
I2C, RS-485
I2C, SPI
RS-232, RS-485
RS-232C, USB
RS-422
RS-485
RS-485, USB

10 SmartAXIS Touch
20 I/Os
21
21 I/Os
42
42 I/Os
58
58 I/Os
400 Series
112073
16RDA I/Os
19R
19R I/Os
38AR
38AR I/Os
38R
38R I/Os
50RRA
50RRA I/Os
53ARR

25.2 mm x 88 mm
25.2 mm x 88 mm x 42 mm
35.5 mm x 90 mm x 58 mm
36 mm x 90 mm x 53 mm
36 mm x 90 mm x 58 mm
36 mm x 90 mm x 61.1 mm
40 mm x 125 mm x 120 mm
50 mm x 109 mm x 81 mm
54 mm x 90 mm x 53 mm
60.4 mm x 90 mm x 60.6 mm
61.1 mm x 36 mm x 90 mm
61.1 mm x 72 mm x 90 mm
70 mm x 110 mm x 90 mm
70 mm x 160 mm x 90 mm
70 mm x 23.5 mm x 90 mm
70 mm x 60 mm x 110 mm
70 mm x 62 mm x 70 mm
70 mm x 70 mm x 90 mm
70 mm x 95 mm x 90 mm
71 mm x 80 mm x 62 mm