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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 SIMATIC ET 200SP PS 24V/5A

6EP71336AB000BN0
Siemens
1: $367.91
2In Stock

Mfr. Part No.
6EP71336AB000BN0

Mouser Part No
982-6EP71336AB000BN0

Siemens

PLC Controllers SIMATIC ET 200SP PS 24V/5A

Datasheet

2In Stock

$367.91

$366.91

$366.61

Min.: 1
Mult.: 1

1-Phase AC

1 Output

DIN Rail Mount

264 VAC

85 VAC

1-Phase

ET200SP

IP20

- 30 C

+ 70 C

PLC Controllers SIMATIC DP ET200S, MODULE COUNTER, 15MM

6ES71384DA040AB0
Siemens
1: $1,307.13
1In Stock
New At Mouser

Mfr. Part No.
6ES71384DA040AB0

Mouser Part No
982-6ES71384DA040AB0

New At Mouser

Siemens

PLC Controllers SIMATIC DP ET200S, MODULE COUNTER, 15MM

Learn More

Datasheet

1In Stock

$1,307.13

Min.: 1
Mult.: 1

Electronic Counter Module

ET200SP

PLC Controllers ET 200SP. TM Posinput 1

6ES71386BA010BA0
Siemens
1: $583.96
1In Stock
4Expected 31/07/2026
New At Mouser

Mfr. Part No.
6ES71386BA010BA0

Mouser Part No
982-6ES71386BA010BA0

New At Mouser

Siemens

PLC Controllers ET 200SP. TM Posinput 1

Learn More

Datasheet

1In Stock

4Expected 31/07/2026

$583.96

$531.07

Min.: 1
Mult.: 1

2 Input

2 Output

28.8 V

19.2 V

RS-422

ET200SP

- 30 C

+ 60 C

PLC Controllers 5 shielding Connections

6ES71936SC201AM0
Siemens
1: $148.22
5In Stock
New At Mouser

Mfr. Part No.
6ES71936SC201AM0

Mouser Part No
982-6ES71936SC201AM0

New At Mouser

Siemens

PLC Controllers 5 shielding Connections

Learn More

Datasheet

5In Stock

$148.22

$130.28

$123.76

$119.06

View

Min.: 1
Mult.: 1

Shiled Connection Set

ET200SP

PLC Controllers SIMATIC S7-1200 CPU 1215C, DC/DC RELAY

6ES72151HG400XB0
Siemens
1: $1,165.21
1In Stock
4Expected 14/09/2026

Mfr. Part No.
6ES72151HG400XB0

Mouser Part No
982-6ES72151HG400XB0

Siemens

PLC Controllers SIMATIC S7-1200 CPU 1215C, DC/DC RELAY

1In Stock

4Expected 14/09/2026

$1,165.21

Min.: 1
Mult.: 1

CPU Module

S7-1200

0 C

+ 60 C

PLC Controllers DIGITAL I/O SM 1223,8DI/8DO-PE11081100

6ES72231BH320XB0
Siemens
1: $375.50
1In Stock
4Expected 17/09/2026

Mfr. Part No.
6ES72231BH320XB0

Mouser Part No
982-6ES72231BH320XB0

Siemens

PLC Controllers DIGITAL I/O SM 1223,8DI/8DO-PE11081100

1In Stock

4Expected 17/09/2026

$375.50

$338.32

$333.60

Min.: 1
Mult.: 1

Digital I/O Expansion Module

0 C

+ 60 C

PLC Controllers COMMUNICATION MODULE CM 1241, RS422/485

6ES72411CH320XB0
Siemens
1: $281.89
3In Stock
4Expected 22/07/2026
New At Mouser

Mfr. Part No.
6ES72411CH320XB0

Mouser Part No
982-6ES72411CH320XB0

New At Mouser

Siemens

PLC Controllers COMMUNICATION MODULE CM 1241, RS422/485

Datasheet

3In Stock

4Expected 22/07/2026

$281.89

$263.30

$253.34

Min.: 1
Mult.: 1

Communication Module

PLC Controllers M172 Perf. Display 18 I/Os, Eth, 2 RS485

TM172PDG18R
Schneider Electric
1: $459.94
1In Stock

Mfr. Part No.
TM172PDG18R

Mouser Part No
996-TM172PDG18R

Schneider Electric

PLC Controllers M172 Perf. Display 18 I/Os, Eth, 2 RS485

Datasheet

1In Stock

$459.94

$453.11

$448.20

Min.: 1
Mult.: 1

PLC Controllers CONTROLLER M221-40IO Relay Compact

TM221C40R
Schneider Electric
1: $589.24
1In Stock

Mfr. Part No.
TM221C40R

Mouser Part No
996-TM221C40R

Schneider Electric

PLC Controllers CONTROLLER M221-40IO Relay Compact

Learn More

Datasheet

1In Stock

$589.24

$524.60

Min.: 1
Mult.: 1

24 Input

16 Output

DIN Rail Mount

240 V

100 V

Transistor

M221

IP20

- 10 C

+ 55 C

70 mm x 160 mm x 90 mm

PLC Controllers CONTROLLER M221-16IO Tr.PNP Ethernet Com

TM221CE16T
Schneider Electric
1: $361.14
2In Stock

Mfr. Part No.
TM221CE16T

Mouser Part No
996-TM221CE16T

Schneider Electric

PLC Controllers CONTROLLER M221-16IO Tr.PNP Ethernet Com

Learn More

Datasheet

2In Stock

$361.14

Min.: 1
Mult.: 1

9 Input

7 Output

DIN Rail Mount

28.8 V

20.4 V

Relay

M221

IP20

- 10 C

+ 55 C

70 mm x 95 mm x 90 mm

PLC Controllers CONTROLLER M221-24IO Relay Ethernet Com.

TM221CE24R
Schneider Electric
1: $377.21
2In Stock
3Expected 17/07/2026

Mfr. Part No.
TM221CE24R

Mouser Part No
996-TM221CE24R

Schneider Electric

PLC Controllers CONTROLLER M221-24IO Relay Ethernet Com.

Datasheet

2In Stock

3Expected 17/07/2026

$377.21

Min.: 1
Mult.: 1

TM221C

PLC Controllers CONTROLLER M221-40IO Tr.PNP Ethernet Com

TM221CE40T
Schneider Electric
1: $539.80
1In Stock

Mfr. Part No.
TM221CE40T

Mouser Part No
996-TM221CE40T

Schneider Electric

PLC Controllers CONTROLLER M221-40IO Tr.PNP Ethernet Com

Learn More

Datasheet

1In Stock

$539.80

Min.: 1
Mult.: 1

28.8 V

20.4 V

M221

- 10 C

+ 55 C

PLC Controllers CONTROLLER M241-24IO Tr.PNP

TM241C24T
Schneider Electric
1: $636.94
1In Stock

Mfr. Part No.
TM241C24T

Mouser Part No
996-TM241C24T

Schneider Electric

PLC Controllers CONTROLLER M241-24IO Tr.PNP

Datasheet

1In Stock

$636.94

Min.: 1
Mult.: 1

TM241C

PLC Controllers CONTROLLER M241-40IO Tr.PNP Ethernet

TM241CE40T
Schneider Electric
1: $813.46
1In Stock

Mfr. Part No.
TM241CE40T

Mouser Part No
996-TM241CE40T

Schneider Electric

PLC Controllers CONTROLLER M241-40IO Tr.PNP Ethernet

Datasheet

1In Stock

$813.46

$711.25

Min.: 1
Mult.: 1

TM241C

PLC Controllers MODULE TM3-8 ANALOG INPUTS

TM3AI8
Schneider Electric
1: $310.99
4In Stock
7Expected 14/07/2026

Mfr. Part No.
TM3AI8

Mouser Part No
996-TM3AI8

Schneider Electric

PLC Controllers MODULE TM3-8 ANALOG INPUTS

Datasheet

4In Stock

7Expected 14/07/2026

$310.99

$310.98

Min.: 1
Mult.: 1

Analog Input Module

TM3A

PLC Controllers MODULE TM3-16 INPUTS

TM3DI16
Schneider Electric
1: $227.58
4In Stock

Mfr. Part No.
TM3DI16

Mouser Part No
996-TM3DI16

Schneider Electric

PLC Controllers MODULE TM3-16 INPUTS

Datasheet

4In Stock

$227.58

$227.57

Min.: 1
Mult.: 1

Discrete Input Module

TM3D

PLC Controllers MODULE TM3-16 INPUTS SPRING

TM3DI16G
Schneider Electric
1: $227.57
4In Stock

Mfr. Part No.
TM3DI16G

Mouser Part No
996-TM3DI16G

Schneider Electric

PLC Controllers MODULE TM3-16 INPUTS SPRING

Datasheet

4In Stock

$227.57

Min.: 1
Mult.: 1

Discrete Input Module

TM3D

PLC Controllers MODULE TM3-8 INPUTS

TM3DI8
Schneider Electric
1: $166.52
4In Stock

Mfr. Part No.
TM3DI8

Mouser Part No
996-TM3DI8

Schneider Electric

PLC Controllers MODULE TM3-8 INPUTS

Datasheet

4In Stock

$166.52

Quote

Min.: 1
Mult.: 1

Discrete Input Module

TM3D

PLC Controllers MODULE TM3-24 IO RELAYS

TM3DM24R
Schneider Electric
1: $303.89
1In Stock
3Expected 06/07/2026

Mfr. Part No.
TM3DM24R

Mouser Part No
996-TM3DM24R

Schneider Electric

PLC Controllers MODULE TM3-24 IO RELAYS

Datasheet

1In Stock

3Expected 06/07/2026

$303.89

Min.: 1
Mult.: 1

Discrete Output Module

Discrete Relay NO

TM3D

PLC Controllers MODULE TM3-8 IO RELAYS

TM3DM8R
Schneider Electric
1: $166.52
3In Stock

Mfr. Part No.
TM3DM8R

Mouser Part No
996-TM3DM8R

Schneider Electric

PLC Controllers MODULE TM3-8 IO RELAYS

Datasheet

3In Stock

$166.52

$166.51

Min.: 1
Mult.: 1

Discrete Output Module

Discrete Relay NO

TM3D

PLC Controllers MODULE TM3-16 OUT RELAYS SPRING

TM3DQ16RG
Schneider Electric
1: $242.84
3In Stock

Mfr. Part No.
TM3DQ16RG

Mouser Part No
996-TM3DQ16RG

Schneider Electric

PLC Controllers MODULE TM3-16 OUT RELAYS SPRING

Datasheet

3In Stock

$242.84

Min.: 1
Mult.: 1

Discrete Output Module

Discrete Relay NO

TM3D

PLC Controllers MODULE TM3-8 OUT RELAYS SPRING

TM3DQ8RG
Schneider Electric
1: $181.79
3In Stock

Mfr. Part No.
TM3DQ8RG

Mouser Part No
996-TM3DQ8RG

Schneider Electric

PLC Controllers MODULE TM3-8 OUT RELAYS SPRING

Datasheet

3In Stock

$181.79

$181.78

$180.41

$175.41

View

Min.: 1
Mult.: 1

Discrete Output Module

Discrete Relay NO

TM3D

PLC Controllers MODULE TM3-8 OUT TR.PNP SPRING

TM3DQ8TG
Schneider Electric
1: $177.41
3In Stock

Mfr. Part No.
TM3DQ8TG

Mouser Part No
996-TM3DQ8TG

Schneider Electric

PLC Controllers MODULE TM3-8 OUT TR.PNP SPRING

Datasheet

3In Stock

$177.41

$166.52

$166.04

$166.03

View

Min.: 1
Mult.: 1

Discrete Output Module

PLC Controllers MODULE TM3-2 TEMP INPUT 1 ANALOG OUT.

TM3TM3
Schneider Electric
1: $452.42
2In Stock

Mfr. Part No.
TM3TM3

Mouser Part No
996-TM3TM3

Schneider Electric

PLC Controllers MODULE TM3-2 TEMP INPUT 1 ANALOG OUT.

Datasheet

2In Stock

$452.42

$402.92

$402.85

Min.: 1
Mult.: 1

Analog I/O Module

Analog

TM3T

PLC Controllers MOD. 12DO 24VDC TR 0.5A 1 WIRE

TM5SDO12T
Schneider Electric
1: $344.02
2In Stock

Mfr. Part No.
TM5SDO12T

Mouser Part No
996-TM5SDO12T

Schneider Electric

PLC Controllers MOD. 12DO 24VDC TR 0.5A 1 WIRE

Datasheet

2In Stock

$344.02

$320.79

$320.74

Min.: 1
Mult.: 1

Discrete Output Module

TM5S

PLC Controllers

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Altera
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Banner Engineering
Carlo Gavazzi
ControlByWeb
Crouzet
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Eaton
EDATEC
HMS Networks
IDEC
Industrial Shields
KUNBUS
L-Com
M5Stack
MEAN WELL
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Omron
Opto 22
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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