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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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Part #

PLC Controllers SNAP 2-Ch 0-10 VDC Analog Voltage Output Module

SNAP-AOV-25
Opto 22
1: $421.67
4In Stock

Mfr. Part No.
SNAP-AOV-25

Mouser Part No
94-SNAP-AOV-25

Opto 22

PLC Controllers SNAP 2-Ch 0-10 VDC Analog Voltage Output Module

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Datasheet

4In Stock

$421.67

$383.57

Min.: 1
Mult.: 1

Analog Voltage Output Module

SNAP

- 20 C

+ 70 C

PLC Controllers SNAP 2-Ch -10 to +10VDC Bipolar Analog Voltage Output Module

SNAP-AOV-27
Opto 22
1: $383.57
4In Stock

Mfr. Part No.
SNAP-AOV-27

Mouser Part No
94-SNAP-AOV-27

Opto 22

PLC Controllers SNAP 2-Ch -10 to +10VDC Bipolar Analog Voltage Output Module

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Datasheet

4In Stock

$383.57

Min.: 1
Mult.: 1

Analog Voltage Output Module

SNAP

- 20 C

+ 70 C

PLC Controllers SNAP 32-channel Digital (Discrete) Input Module, 10-32 VDC

SNAP-IDC-32
Opto 22
1: $315.51
12In Stock

Mfr. Part No.
SNAP-IDC-32

Mouser Part No
94-SNAP-IDC-32

Opto 22

PLC Controllers SNAP 32-channel Digital (Discrete) Input Module, 10-32 VDC

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Datasheet

12In Stock

$315.51

$281.86

$280.85

Min.: 1
Mult.: 1

Digital Input Module

SNAP

- 20 C

+ 70 C

PLC Controllers SNAP 4-Ch 2.5-28 VDC Digital (Discrete) Input Module

SNAP-IDC5D
Opto 22
1: $78.62
25In Stock

Mfr. Part No.
SNAP-IDC5D

Mouser Part No
94-SNAP-IDC5D

Opto 22

PLC Controllers SNAP 4-Ch 2.5-28 VDC Digital (Discrete) Input Module

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Datasheet

25In Stock

$78.62

$73.96

$73.94

$71.11

$65.01

Min.: 1
Mult.: 1

Digital Input Module

SNAP

- 20 C

+ 70 C

PLC Controllers SNAP 32-channel Digital (Discrete) Output Module, 5-60 VDC Load Sourcing

SNAP-ODC-32-SRC
Opto 22
1: $471.84
9In Stock

Mfr. Part No.
SNAP-ODC-32-SRC

Mouser Part No
94-SNAP-ODC-32-SRC

Opto 22

PLC Controllers SNAP 32-channel Digital (Discrete) Output Module, 5-60 VDC Load Sourcing

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Datasheet

9In Stock

$471.84

$429.08

Min.: 1
Mult.: 1

Digital Output Module

SNAP

- 20 C

+ 70 C

PLC Controllers SNAP 4-Ch Isolated 5-200 VDC Digital (Discrete) Output Module

SNAP-ODC5A-I
Opto 22
1: $113.57
20In Stock

Mfr. Part No.
SNAP-ODC5A-I

Mouser Part No
94-SNAP-ODC5A-I

Opto 22

PLC Controllers SNAP 4-Ch Isolated 5-200 VDC Digital (Discrete) Output Module

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Datasheet

20In Stock

$113.57

$101.58

$100.49

View

Min.: 1
Mult.: 1

Digital Output Module

SNAP

- 20 C

+ 70 C

PLC Controllers BASIC UNIT SIMOCODE PRO C, 120-240VAC/DC

3UF70001AU000
Siemens
1: $1,338.88
3In Stock

Mfr. Part No.
3UF70001AU000

Mouser Part No
982-3UF70001AU000

Siemens

PLC Controllers BASIC UNIT SIMOCODE PRO C, 120-240VAC/DC

Datasheet

3In Stock

$1,338.88

$1,145.96

Min.: 1
Mult.: 1

DP Interface

4 Input

3 Output

DIN Rail Mount

240 VAC, 240 VDC

110 VAC, 110 VDC

Digital

Relay

RS-485

No Display

IP20

- 25 C

+ 60 C

111 mm x 45 mm x 95 mm

PLC Controllers SIMOCODE PRO V BASE,110-240V AC/DC

3UF70101AU000
Siemens
1: $1,508.31
1In Stock
2Expected 2026/07/31

Mfr. Part No.
3UF70101AU000

Mouser Part No
982-3UF70101AU000

Siemens

PLC Controllers SIMOCODE PRO V BASE,110-240V AC/DC

Datasheet

1In Stock

2Expected 2026/07/31

$1,508.31

Quote

Min.: 1
Mult.: 1

DP Interface

4 Input

3 Output

DIN Rail Mount

240 VAC, 240 VDC

110 VAC, 110 VDC

Digital

Relay

RS-485

No Display

IP20

- 25 C

+ 60 C

111 mm x 45 mm x 124 mm

PLC Controllers LOGO DM16 24, EXPANSION MODULE

6ED10551CB100BA2
Siemens
1: $220.09
7In Stock

Mfr. Part No.
6ED10551CB100BA2

Mouser Part No
982-6ED10551CB100BA2

Siemens

PLC Controllers LOGO DM16 24, EXPANSION MODULE

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Datasheet

7In Stock

$220.09

$209.71

$199.21

$191.63

Min.: 1
Mult.: 1

Expansion Module

8 Input

8 Output

DIN Rail Mount

28.8 VDC

20.4 VDC

Digital

No Display

LOGO!

IP20

0 C

+ 55 C

71.5 mm x 90 mm x 58 mm

PLC Controllers LOGO DM8 24R EXPANSION MODULE

6ED10551HB000BA2
Siemens
1: $155.06
11In Stock

Mfr. Part No.
6ED10551HB000BA2

Mouser Part No
982-6ED10551HB000BA2

Siemens

PLC Controllers LOGO DM8 24R EXPANSION MODULE

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Datasheet

11In Stock

$155.06

$147.98

$137.30

$132.07

Min.: 1
Mult.: 1

Expansion Module

4 Input

4 Output

DIN Rail Mount

28.8 VAC/28.8 VDC

20.4 VAC/20.4 VDC

Digital

Relay

No Display

LOGO!

IP20

0 C

+ 55 C

35.5 mm x 90 mm x 58 mm

PLC Controllers LOGO AM2 EXPANSION MODULE,

6ED10551MA000BA2
Siemens
1: $190.71
11In Stock

Mfr. Part No.
6ED10551MA000BA2

Mouser Part No
982-6ED10551MA000BA2

Siemens

PLC Controllers LOGO AM2 EXPANSION MODULE,

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Datasheet

11In Stock

$190.71

$179.31

$164.76

$158.48

View

Min.: 1
Mult.: 1

Expansion Module

2 Input

DIN Rail Mount

28.8 VDC

10.8 VDC

Analog

No Display

LOGO!

IP20

0 C

+ 55 C

35.5 mm x 90 mm x 58 mm

PLC Controllers LOGO AM2 RDT, 2AI, -50..+200DECR/C

6ED10551MD000BA2
Siemens
1: $219.55
8In Stock

Mfr. Part No.
6ED10551MD000BA2

Mouser Part No
982-6ED10551MD000BA2

Siemens

PLC Controllers LOGO AM2 RDT, 2AI, -50..+200DECR/C

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Datasheet

8In Stock

$219.55

$206.79

$196.44

$188.95

Min.: 1
Mult.: 1

Expansion Module

2 Input

DIN Rail Mount

28.8 VDC

10.8 VDC

Analog

No Display

LOGO!

IP20

0 C

+ 55 C

35.5 mm x 90 mm x 58 mm

PLC Controllers LOGO AM2 AQ, 2AQ, 0-10V, 0/4-20MA

6ED10551MM000BA2
Siemens
1: $268.98
6In Stock

Mfr. Part No.
6ED10551MM000BA2

Mouser Part No
982-6ED10551MM000BA2

Siemens

PLC Controllers LOGO AM2 AQ, 2AQ, 0-10V, 0/4-20MA

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Datasheet

6In Stock

$268.98

$245.43

$233.13

Min.: 1
Mult.: 1

Expansion Module

2 Output

DIN Rail Mount

28.8 VDC

10.8 VDC

Analog

No Display

LOGO!

IP20

0 C

+ 55 C

35.5 mm x 90 mm x 58 mm

PLC Controllers LOGO DM16 24R, EXPANSION MODULE

6ED10551NB100BA2
Siemens
1: $226.99
7In Stock

Mfr. Part No.
6ED10551NB100BA2

Mouser Part No
982-6ED10551NB100BA2

Siemens

PLC Controllers LOGO DM16 24R, EXPANSION MODULE

Learn More

Datasheet

7In Stock

$226.99

$226.18

$214.86

$209.36

View

Min.: 1
Mult.: 1

Expansion Module

8 Input

8 Output

DIN Rail Mount

28.8 VDC

20.4 VDC

Digital

Relay

No Display

LOGO!

IP20

0 C

+ 55 C

71.5 mm x 90 mm x 58 mm

PLC Controllers ET 200SP. TM PTO 2x24V

6ES71386EB000BA0
Siemens
1: $840.48
3In Stock
New At Mouser

Mfr. Part No.
6ES71386EB000BA0

Mouser Part No
982-6ES71386EB000BA0

New At Mouser

Siemens

PLC Controllers ET 200SP. TM PTO 2x24V

Learn More

Datasheet

3In Stock

$840.48

$836.84

Min.: 1
Mult.: 1

6 Input

6 Output

28.8 V

19.2 V

ET200SP

- 30 C

+ 60 C

PLC Controllers CPU 1215 FC, DC/DC/DC, 14DI/10DO/2AI/2AO

6ES72151AF400XB0
Siemens
1: $1,837.51
4In Stock

Mfr. Part No.
6ES72151AF400XB0

Mouser Part No
982-6ES72151AF400XB0

Siemens

PLC Controllers CPU 1215 FC, DC/DC/DC, 14DI/10DO/2AI/2AO

4In Stock

$1,837.51

Min.: 1
Mult.: 1

CPU Module

0 C

+ 60 C

PLC Controllers SIMATIC S7-1200 SM1234 4AI/2AO-PE1108190

6ES72344HE320XB0
Siemens
1: $692.49
4In Stock
New At Mouser

Mfr. Part No.
6ES72344HE320XB0

Mouser Part No
982-6ES72344HE320XB0

New At Mouser

Siemens

PLC Controllers SIMATIC S7-1200 SM1234 4AI/2AO-PE1108190

4In Stock

$692.49

$627.52

Min.: 1
Mult.: 1

Analog Input Module

S7-1200

0 C

+ 60 C

PLC Controllers ANALOG BASE 8CHL SUB-D25

ABE7CPA31
Schneider Electric
1: $1,263.38
2In Stock

Mfr. Part No.
ABE7CPA31

Mouser Part No
996-ABE7CPA31

Schneider Electric

PLC Controllers ANALOG BASE 8CHL SUB-D25

Datasheet

2In Stock

$1,263.38

$1,253.30

View

Min.: 1
Mult.: 1

Analog Sub-Bases

ABE7

PLC Controllers M172 Perf Blind 42 I/O Eth, 2 RS485 Isol

TM172PBG42RI
Schneider Electric
1: $445.07
7In Stock

Mfr. Part No.
TM172PBG42RI

Mouser Part No
996-TM172PBG42RI

Schneider Electric

PLC Controllers M172 Perf Blind 42 I/O Eth, 2 RS485 Isol

Datasheet

7In Stock

$445.07

$430.98

$425.56

Min.: 1
Mult.: 1

PLC Controllers CONTROLLER M221-24IO Tr.PNP Ethernet Com

TM221CE24T
Schneider Electric
1: $392.37
8In Stock
6Expected 2026/07/06

Mfr. Part No.
TM221CE24T

Mouser Part No
996-TM221CE24T

Schneider Electric

PLC Controllers CONTROLLER M221-24IO Tr.PNP Ethernet Com

Learn More

Datasheet

8In Stock

6Expected 2026/07/06

$392.37

Min.: 1
Mult.: 1

14 Input

10 Output

DIN Rail Mount

28.8 V

20.4 V

Relay

M221

IP20

- 10 C

+ 55 C

70 mm x 110 mm x 90 mm

PLC Controllers CONTROLLER M221-40IO Relay Ethernet Com.

TM221CE40R
Schneider Electric
1: $428.88
9In Stock

Mfr. Part No.
TM221CE40R

Mouser Part No
996-TM221CE40R

Schneider Electric

PLC Controllers CONTROLLER M221-40IO Relay Ethernet Com.

Learn More

Datasheet

9In Stock

$428.88

$428.87

Min.: 1
Mult.: 1

28.8 V

20.4 V

M221

- 10 C

+ 55 C

PLC Controllers CONTROLLER M251-2xEthernet

TM251MESE
Schneider Electric
1: $764.82
4In Stock

Mfr. Part No.
TM251MESE

Mouser Part No
996-TM251MESE

Schneider Electric

PLC Controllers CONTROLLER M251-2xEthernet

Datasheet

4In Stock

$764.82

$674.16

Min.: 1
Mult.: 1

TM251M

PLC Controllers Logic ctrl M262 5ns/inst Eth.

TM262L10MESE8T
Schneider Electric
1: $1,762.69
1In Stock

Mfr. Part No.
TM262L10MESE8T

Mouser Part No
996-TM262L10MESE8T

Schneider Electric

PLC Controllers Logic ctrl M262 5ns/inst Eth.

Datasheet

1In Stock

$1,762.69

Min.: 1
Mult.: 1

PLC Controllers MODULE TM3-32 INPUTS HE10

TM3DI32K
Schneider Electric
1: $303.95
5In Stock

Mfr. Part No.
TM3DI32K

Mouser Part No
996-TM3DI32K

Schneider Electric

PLC Controllers MODULE TM3-32 INPUTS HE10

Datasheet

5In Stock

$303.95

$300.76

Min.: 1
Mult.: 1

Discrete Input Module

TM3D

PLC Controllers Ethernet/IP diagnostic exp. screw term

XPSMCMCO0000EI
Schneider Electric
1: $553.51
4In Stock

Mfr. Part No.
XPSMCMCO0000EI

Mouser Part No
996-XPSMCMCO0000EI

Schneider Electric

PLC Controllers Ethernet/IP diagnostic exp. screw term

Datasheet

4In Stock

$553.51

$503.33

$503.21

Min.: 1
Mult.: 1

XPS

PLC Controllers

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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