PLC Controllers

Programmable Logic Controllers are in stock with same-day shipping at Mouser from industry leading manufacturers. 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.
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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Number of Inputs	Number of Outputs	Mounting Style	Supply Voltage - Max	Supply Voltage - Min	Input Type	Output Type	Display Type	Series	IP Rating	Minimum Operating Temperature	Maximum Operating Temperature	Size
PLC Controllers SNAP 4-Ch 5-60 VDC Digital (Discrete) Output Module, Load Sinking SNAP-ODC5SNK Opto 22 1: £84.31 6In Stock Restricted Availability	Mfr. Part No. SNAP-ODC5SNK Mouser Part No 94-SNAP-ODC5SNK	Opto 22	PLC Controllers SNAP 4-Ch 5-60 VDC Digital (Discrete) Output Module, Load Sinking Learn More about Opto 22 snap pac system Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	6In Stock	£84.31 £82.52 £81.64 £76.13	Min.: 1 Mult.: 1 Restricted Availability	Digital Output Module							DC		SNAP		- 20 C	+ 70 C
PLC Controllers LOGO DM8 24 EXPANSION MODULE, 6ED10551CB000BA2 Siemens 1: £86.92 3In Stock 3Expected 30/12/2026	Mfr. Part No. 6ED10551CB000BA2 Mouser Part No 982-6ED10551CB000BA2	Siemens	PLC Controllers LOGO DM8 24 EXPANSION MODULE, Learn More about Siemens logo logic modules	Datasheet	3In Stock 3Expected 30/12/2026	£86.92	Min.: 1 Mult.: 1	Expansion Module	4 Input	4 Output	DIN Rail Mount	28.8 VDC	20.4 VDC	Digital	Digital	No Display	LOGO!	IP20	0 C	+ 55 C	35.5 mm x 90 mm x 58 mm
PLC Controllers LOGO DM16 24, EXPANSION MODULE 6ED10551CB100BA2 Siemens 1: £141.07 5In Stock	Mfr. Part No. 6ED10551CB100BA2 Mouser Part No 982-6ED10551CB100BA2	Siemens	PLC Controllers LOGO DM16 24, EXPANSION MODULE Learn More about Siemens logo logic modules	Datasheet	5In Stock	£141.07	Min.: 1 Mult.: 1	Expansion Module	8 Input	8 Output	DIN Rail Mount	28.8 VDC	20.4 VDC	Digital	Digital	No Display	LOGO!	IP20	0 C	+ 55 C	71.5 mm x 90 mm x 58 mm
PLC Controllers LOGO DM8 230R, EXPANSON MODULE 6ED10551FB000BA2 Siemens 1: £94.05 6In Stock	Mfr. Part No. 6ED10551FB000BA2 Mouser Part No 982-6ED10551FB000BA2	Siemens	PLC Controllers LOGO DM8 230R, EXPANSON MODULE Learn More about Siemens logo logic modules	Datasheet	6In Stock	£94.05	Min.: 1 Mult.: 1	Expansion Module	4 Input	4 Output	DIN Rail Mount	253 VAC/253 VDC	115 VAC/115 VDC	Digital	Relay	No Display	LOGO!	IP20	0 C	+ 55 C	35.5 mm x 90 mm x 58 mm
PLC Controllers LOGO DM16 230R, EXP. MODULE, 6ED10551FB100BA2 Siemens 1: £153.19 5In Stock	Mfr. Part No. 6ED10551FB100BA2 Mouser Part No 982-6ED10551FB100BA2	Siemens	PLC Controllers LOGO DM16 230R, EXP. MODULE, Learn More about Siemens logo logic modules	Datasheet	5In Stock	£153.19	Min.: 1 Mult.: 1	Expansion Module	8 Input	8 Output	DIN Rail Mount	253 VAC/253 VDC	115 VAC/115 VDC	Digital	Relay	No Display	LOGO!	IP20	0 C	+ 55 C	71.5 mm x 90 mm x 58 mm
PLC Controllers LOGO DM8 12/24R, EXP. MODULE 6ED10551MB000BA2 Siemens 1: £94.05 5In Stock	Mfr. Part No. 6ED10551MB000BA2 Mouser Part No 982-6ED10551MB000BA2	Siemens	PLC Controllers LOGO DM8 12/24R, EXP. MODULE Learn More about Siemens logo logic modules	Datasheet	5In Stock	£94.05	Min.: 1 Mult.: 1	Expansion Module	4 Input	4 Output	DIN Rail Mount	28.8 VDC	10.8 VDC	Digital	Relay	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: £167.43 3In Stock	Mfr. Part No. 6ED10551MM000BA2 Mouser Part No 982-6ED10551MM000BA2	Siemens	PLC Controllers LOGO AM2 AQ, 2AQ, 0-10V, 0/4-20MA Learn More about Siemens logo logic modules	Datasheet	3In Stock	£167.43	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: £153.19 3In Stock 10Expected 04/01/2027	Mfr. Part No. 6ED10551NB100BA2 Mouser Part No 982-6ED10551NB100BA2	Siemens	PLC Controllers LOGO DM16 24R, EXPANSION MODULE Learn More about Siemens logo logic modules	Datasheet	3In Stock 10Expected 04/01/2027	£153.19	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 SIMATIC ET 200SP PS 24V/5A 6EP71336AB000BN0 Siemens 1: £279.88 2In Stock 1Expected 06/11/2026	Mfr. Part No. 6EP71336AB000BN0 Mouser Part No 982-6EP71336AB000BN0	Siemens	PLC Controllers SIMATIC ET 200SP PS 24V/5A	Datasheet	2In Stock 1Expected 06/11/2026	£279.88 £266.88 £264.25	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 5 shielding Connections 6ES71936SC201AM0 Siemens 1: £87.64 4In Stock New At Mouser	Mfr. Part No. 6ES71936SC201AM0 Mouser Part No 982-6ES71936SC201AM0 New At Mouser	Siemens	PLC Controllers 5 shielding Connections Learn More about Siemens et200sp io modules	Datasheet	4In Stock	£87.64	Min.: 1 Mult.: 1	Shiled Connection Set									ET200SP
PLC Controllers DIGITAL OUTPUT SM 1222, 8 DO, RELAY 6ES72221HF320XB0 Siemens 1: £148.99 2In Stock 4Expected 02/11/2026	Mfr. Part No. 6ES72221HF320XB0 Mouser Part No 982-6ES72221HF320XB0	Siemens	PLC Controllers DIGITAL OUTPUT SM 1222, 8 DO, RELAY	Datasheet	2In Stock 4Expected 02/11/2026	£148.99	Min.: 1 Mult.: 1	Digital Output Module							Digital				- 20 C	+ 60 C
PLC Controllers DIGITAL I/O SM 1223,8DI/8DO-PE11081100 6ES72231BH320XB0 Siemens 1: £239.08 2In Stock	Mfr. Part No. 6ES72231BH320XB0 Mouser Part No 982-6ES72231BH320XB0	Siemens	PLC Controllers DIGITAL I/O SM 1223,8DI/8DO-PE11081100		2In Stock	£239.08	Min.: 1 Mult.: 1	Digital I/O Expansion Module											0 C	+ 60 C
PLC Controllers SIMATIC S7-1500, DIGITAL OUTPUT MODULE 6ES75221BH010AB0 Siemens 1: £322.23 3In Stock New At Mouser	Mfr. Part No. 6ES75221BH010AB0 Mouser Part No 982-6ES75221BH010AB0 New At Mouser	Siemens	PLC Controllers SIMATIC S7-1500, DIGITAL OUTPUT MODULE Learn More about Siemens s7 1500 plcs	Datasheet	3In Stock	£322.23	Min.: 1 Mult.: 1	Digital Output Module									S7-1500
PLC Controllers DQ 16X24VDC/0.5A BA 6ES75221BH100AA0 Siemens 1: £291.05 3In Stock New At Mouser	Mfr. Part No. 6ES75221BH100AA0 Mouser Part No 982-6ES75221BH100AA0 New At Mouser	Siemens	PLC Controllers DQ 16X24VDC/0.5A BA Learn More about Siemens s7 1500 plcs	Datasheet	3In Stock	£291.05	Min.: 1 Mult.: 1	Digital Output Module									S7-1500
PLC Controllers SIMATIC S7-1500 FRONT CONNECTOR 35mm 6ES75921BM000XB0 Siemens 1: £66.95 5In Stock 15Expected 10/12/2026 New At Mouser	Mfr. Part No. 6ES75921BM000XB0 Mouser Part No 982-6ES75921BM000XB0 New At Mouser	Siemens	PLC Controllers SIMATIC S7-1500 FRONT CONNECTOR 35mm Learn More about Siemens s7 1500 plcs	Datasheet	5In Stock 15Expected 10/12/2026	£66.95 £66.02 £65.08 £55.79 View £53.96 Quote	Min.: 1 Mult.: 1										S7-1500
PLC Controllers H DIG 16I 24 VDC SINK BMXDDI1602H Schneider Electric 1: £285.86 3In Stock New At Mouser	Mfr. Part No. BMXDDI1602H Mouser Part No 996-BMXDDI1602H New At Mouser	Schneider Electric	PLC Controllers H DIG 16I 24 VDC SINK	Datasheet	3In Stock	£285.86	Min.: 1 Mult.: 1
PLC Controllers M171 PERF. EXPANSION 14 IOS TM171EP14R Schneider Electric 1: £108.20 1In Stock 5On Order	Mfr. Part No. TM171EP14R Mouser Part No 996-TM171EP14R	Schneider Electric	PLC Controllers M171 PERF. EXPANSION 14 IOS	Datasheet	1In Stock 5On Order	£108.20	Min.: 1 Mult.: 1	Expansion Module									TM171
PLC Controllers CONTROLLER M221-24IO Relay Compact TM221C24R Schneider Electric 1: £323.98 3In Stock	Mfr. Part No. TM221C24R Mouser Part No 996-TM221C24R	Schneider Electric	PLC Controllers CONTROLLER M221-24IO Relay Compact Learn More about Schneider Electric schneider modicon m221 controllers	Datasheet	3In Stock	£323.98	Min.: 1 Mult.: 1		14 Input	10 Output	DIN Rail Mount	240 V	100 V		Relay		M221	IP20	- 10 C	+ 55 C	70 mm x 110 mm x 90 mm
PLC Controllers CONTROLLER M221-16IO Tr.PNP Ethernet Com TM221CE16T Schneider Electric 1: £313.14 3In Stock	Mfr. Part No. TM221CE16T Mouser Part No 996-TM221CE16T	Schneider Electric	PLC Controllers CONTROLLER M221-16IO Tr.PNP Ethernet Com Learn More about Schneider Electric schneider modicon m221 controllers	Datasheet	3In Stock	£313.14	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 M221-16IO RELAY MODULAR TM221M16R Schneider Electric 1: £302.33 3In Stock	Mfr. Part No. TM221M16R Mouser Part No 996-TM221M16R	Schneider Electric	PLC Controllers CONTROLLER M221-16IO RELAY MODULAR Learn More about Schneider Electric schneider modicon m221 controllers	Datasheet	3In Stock	£302.33	Min.: 1 Mult.: 1		10 Input	8 Output	DIN Rail Mount	28.8 V	20.4 V		Relay		M221	IP20	- 10 C	+ 55 C	70 mm x 70 mm x 90 mm
PLC Controllers CONTROLLER M221-16IO RELAY SPRING MOD TM221M16RG Schneider Electric 1: £302.33 2In Stock 1Expected 09/11/2026	Mfr. Part No. TM221M16RG Mouser Part No 996-TM221M16RG	Schneider Electric	PLC Controllers CONTROLLER M221-16IO RELAY SPRING MOD Learn More about Schneider Electric schneider modicon m221 controllers	Datasheet	2In Stock 1Expected 09/11/2026	£302.33	Min.: 1 Mult.: 1		8 Input	8 Output	DIN Rail Mount	28.8 V	20.4 V		Relay		M221	IP20	- 10 C	+ 55 C	70 mm x 70 mm x 90 mm
PLC Controllers CONTROLLER M241-24IO Relay TM241C24R Schneider Electric 1: £497.41 2In Stock	Mfr. Part No. TM241C24R Mouser Part No 996-TM241C24R	Schneider Electric	PLC Controllers CONTROLLER M241-24IO Relay	Datasheet	2In Stock	£497.41	Min.: 1 Mult.: 1										TM241C
PLC Controllers CONTROLLER M241-40IO Relay Ethernet TM241CE40R Schneider Electric 1: £616.52 1In Stock 3Expected 20/11/2026	Mfr. Part No. TM241CE40R Mouser Part No 996-TM241CE40R	Schneider Electric	PLC Controllers CONTROLLER M241-40IO Relay Ethernet	Datasheet	1In Stock 3Expected 20/11/2026	£616.52	Min.: 1 Mult.: 1										TM241C
PLC Controllers CONTROLLER M251-2xEthernet TM251MESE Schneider Electric 1: £562.35 1In Stock	Mfr. Part No. TM251MESE Mouser Part No 996-TM251MESE	Schneider Electric	PLC Controllers CONTROLLER M251-2xEthernet	Datasheet	1In Stock	£562.35	Min.: 1 Mult.: 1										TM251M
PLC Controllers MODULE TM3-8 ANALOG INPUTS SPRING TM3AI8G Schneider Electric 1: £284.96 1In Stock	Mfr. Part No. TM3AI8G Mouser Part No 996-TM3AI8G	Schneider Electric	PLC Controllers MODULE TM3-8 ANALOG INPUTS SPRING	Datasheet	1In Stock	£284.96	Min.: 1 Mult.: 1	Analog Input Module									TM3A