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Siemens

Shop our collection of surplus Siemens PLCs. These industrial control systems have been used in a variety of industrial settings and have been fully tested for functionality and reliability. With models available, including the popular S7-300 and S7-1200 series, we have the perfect solution for your automation needs. Don't miss out on this opportunity to save on cost while still getting the industry-leading technology from Siemens. Browse our stock today and find the PLC that fits your specific needs.
  • 6ES7216-2AD23-0XB0 Siemens
    $291.80 - $2,738.00
    $291.80 - $2,738.00
    $291.80 - $2,738.00
    $291.80

    6ES7216-2AD23-0XB0 Siemens

    SIMATIC S7-200, CPU 226 COMPACT UNIT, DC POWER SUPPLY 24 DI DC/16 DO DC, 16/24 KB CODE/10 KB DATA, 2 PPI/FREEPORT PORTS

  • 6GK1161-3AA01 Siemens
    $2,196.65 - $2,999.98
    $2,196.65 - $2,999.98
    $2,196.65 - $2,999.98
    $2,196.65

    6GK1161-3AA01 Siemens

    Communications processor CP 1613 A2 PCI card (32 bit; 33MHz/ 66MHz; 3, 3V/5V universal key) for connection to Industrial Ethernet (10/100 Mbit/s) w...

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  • 6ES7216-2BD23-0XB8 Siemens
    $2,293.86 - $2,610.43
    $2,293.86 - $2,610.43
    $2,293.86 - $2,610.43
    $2,293.86

    6ES7216-2BD23-0XB8 Siemens

    BRAND NEW CONDITION, GUARANTEED.

  • 6ES7217-1AG40-0XB0 Siemens
    $0.00 - $2,862.00
    $0.00 - $2,862.00
    $0.00 - $2,862.00
    $2,862.00

    6ES7217-1AG40-0XB0 Siemens

    SIMATIC S7-1200, CPU 1217C, compact CPU, DC/DC/DC, 2 PROFINET ports onboard I/O: 10 DI 24 V DC; 4 DI RS422/485; 6 DO 24 V DC; 0.5A; 4 DO RS422/485;...

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  • 6GK1503-3CB00 Siemens
    $625.00 - $4,061.75
    $625.00 - $4,061.75
    $625.00 - $4,061.75
    $625.00

    6GK1503-3CB00 Siemens

    PROFIBUS OLM/G12 V4.0 Optical Link Module with 1 RS485 and 2 glass FOC interfaces (4 BFOC sockets) for standard Distances up to 2850 m, with signal...

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  • 6ES7222-1BF22-0XA0 Siemens
    $329.86 - $338.25
    $338.25
    $329.86 - $338.25
    $338.25

    6ES7222-1BF22-0XA0 Siemens

    SIMATIC S7-200, DIGITAL OUTPUT EM 222, FOR S7-22X CPU ONLY, 8DQ, 24 V DC

  • 6ES7223-1BH22-0XA8 Siemens
    $0.00 - $346.53
    $346.53
    $0.00 - $346.53
    $346.53

    6ES7223-1BH22-0XA8 Siemens

    BRAND NEW CONDITION, GUARANTEED.

  • 6GK1561-3AA01 Siemens
    $3,033.00 - $4,089.75
    $3,033.00 - $4,089.75
    $3,033.00 - $4,089.75
    $3,033.00

    6GK1561-3AA01 Siemens

    Communications processor CP 5613 A2, PCI card to connection to PROFIBUS; incl. DP-Base software, Configuring tool: DP-RAM Interface for DP master i...

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  • 6ES7223-1BL32-0XB0 Siemens
    $302.50 - $412.50
    $302.50 - $412.50
    $302.50 - $412.50
    $302.50

    6ES7223-1BL32-0XB0 Siemens

    SIMATIC S7-1200, DIGITAL I/O SM 1223, 16DI / 16DO, 16DI DC 24 V, SINK/SOURCE, 16DO, TRANSISTOR 0.5A

  • 6GK1571-1AA00 Siemens
    $1,875.00 - $4,435.30
    $1,875.00 - $4,435.30
    $1,875.00 - $4,435.30
    $1,875.00

    6GK1571-1AA00 Siemens

    Communications processor CP 5711 USB adapter (USB V2.0) for connection of a PG or Notebook to PROFIBUS or MPI; contain 2 m USB cable

  • 6ES7223-1PL22-0XA0 Siemens
    $343.75 - $343.75
    $343.75
    $343.75 - $343.75
    $343.75

    6ES7223-1PL22-0XA0 Siemens

    SIMATIC S7-200, DIGITAL I/O EM 223, FOR S7-22X CPU ONLY, 16 DI 24 V DC, SINK/SOURCE 16 DO RELAY, 2A/POINT

  • 6GK5008-0BA00-1AB2 Siemens
    $287.90 - $899.98
    $287.90 - $899.98
    $287.90 - $899.98
    $287.90

    6GK5008-0BA00-1AB2 Siemens

    Scalance XB008 Unmanaged Industrial Ethernet Switch FOR 10/100MBIT/S; with 8 X 10/100MBIT/S TWISTED PAIR- PORTS with RJ45-SOCKETS; FOR CONFIGURING ...

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  • 6GK5108-0BA00-2AA3 Siemens
    $300.00 - $2,602.00
    $300.00 - $2,602.00
    $300.00 - $2,602.00
    $300.00

    6GK5108-0BA00-2AA3 Siemens

    SCALANCE X108, Unmanaged IE switch, 8x 10/100 Mbit/s RJ45 ports, LED diagnostics, error-signaling contact with set button, redundant Power supply M...

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  • 6GK5216-0BA00-2AA3 Siemens
    $300.00 - $975.00
    $300.00 - $975.00
    $300.00 - $975.00
    $300.00

    6GK5216-0BA00-2AA3 Siemens

    SCALANCE X216, managed IE switch, 16x 10/100 Mbit/s RJ45 ports, LED diagnostics, error-signaling contact with set button, redundant power supply, P...

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  • 6ES7272-0AA30-0YA1 Siemens
    $1,322.50 - $1,847.50
    $1,847.50
    $1,322.50 - $1,847.50
    $1,847.50

    6ES7272-0AA30-0YA1 Siemens

    Simatic S7, TD 200 TextDisplay FOR S7-200, 2 LINES, with CABLE (2.5M) and MOUNTING Accessories, CONFIGURATION with STEP7-MICRO/WIN W/O ATEX CERTIFI...

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  • 6ES7307-1KA02-0AA0 Siemens
    $340.73 - $1,462.50
    $340.73 - $1,462.50
    $340.73 - $1,462.50
    $340.73

    6ES7307-1KA02-0AA0 Siemens

    SIMATIC S7-300 STABILIZED POWER SUPPLY PS307 INPUT: 120/230 V AC OUTPUT: DC 24 V DC/10 A

  • 6ES7313-5BG04-0AB0 Siemens
    $1,672.50 - $2,034.70
    $2,034.70
    $1,672.50 - $2,034.70
    $2,034.70

    6ES7313-5BG04-0AB0 Siemens

    SIMATIC S7-300, CPU 313C, Compact CPU with MPI, 24 DI/16 DO, 4 AI, 2 AO, 1 Pt100, 3 high-speed counters (30 kHz), Integr. power supply 24 V DC, wor...

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  • 6ES7313-6BE01-0AB0 Siemens
    $1,675.00 - $7,024.13
    $1,675.00 - $7,024.13
    $1,675.00 - $7,024.13
    $1,675.00

    6ES7313-6BE01-0AB0 Siemens

    BRAND NEW CONDITION, GUARANTEED.

  • 6ES7313-6CG04-0AB0 Siemens
    $1,054.03 - $3,427.25
    $1,054.03 - $3,427.25
    $1,054.03 - $3,427.25
    $1,054.03

    6ES7313-6CG04-0AB0 Siemens

    SIMATIC S7-300, CPU 313C-2 DP Compact CPU with MPI, 16 DI/16 DO, 3 high-speed counters (30 kHz), integrated DP interface, Integr. power supply 24 V...

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  • 6ES7314-1AE04-0AB0 Siemens
    $288.75 - $4,836.50
    $288.75 - $4,836.50
    $288.75 - $4,836.50
    $288.75

    6ES7314-1AE04-0AB0 Siemens

    SIMATIC S7-300, CPU 314 Central processing unit with Integr. power supply 24 V DC Work memory 24 KB

  • 6GK7343-1CX10-0XE0 Siemens
    $408.13 - $1,577.50
    $408.13 - $1,577.50
    $408.13 - $1,577.50
    $408.13

    6GK7343-1CX10-0XE0 Siemens

    Simatic NET, CP 343-1 LEAN Communication Processor FOR CONNECTING Simatic S7-300 TO IND. ETHERNET VIA TCP/IP and UDP, MULTICAST, SEND/RECEIVE W/ an...

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  • 6ES7314-6CG03-0AB0 Siemens
    $0.00 - $581.75
    $581.75
    $0.00 - $581.75
    $581.75

    6ES7314-6CG03-0AB0 Siemens

    SIMATIC S7-300, CPU 314C-2 DP Compact CPU with MPI, 24 DI/16 DO, 4 AI, 2 AO, 1 Pt100, 4 high-speed counters (60 kHz), integrated DP interface, Inte...

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  • 6GK7343-1EX11-0XE0 Siemens
    $330.00 - $2,750.00
    $330.00 - $2,750.00
    $330.00 - $2,750.00
    $330.00

    6GK7343-1EX11-0XE0 Siemens

    Communications processor CP 343-1 for connection of SIMATIC S7-300 to Industrial Ethernet over ISO, TCP/IP and UDP, S7 communication, fetch/write, ...

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  • 6ES7314-6CH04-0AB0 Siemens
    $2,559.61 - $6,780.00
    $2,559.61 - $6,780.00
    $2,559.61 - $6,780.00
    $2,559.61

    6ES7314-6CH04-0AB0 Siemens

    SIMATIC S7-300, CPU 314C-2 DP COMPACT CPU WITH MPI, 24 DI/16 DO, 4AI, 2AO, 1 PT100, 4 FAST COUNTERS (60 KHZ), INTEGRATED DP INTERFACE, INTEGRATED 2...

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  • 6GK7343-1EX20-0XE0 Siemens
    $722.50 - $1,835.68
    $722.50 - $1,835.68
    $722.50 - $1,835.68
    $722.50

    6GK7343-1EX20-0XE0 Siemens

    SIMATIC NET, CP 343-1 COMMUNICATIONS PROCESSOR FOR CONNECTION OF SIMATIC S7-300 W. IND. ETHERNET USING TCP/IP AND UDP, S7 COMM., FETCH/WRITE, SEND/...

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  • 6ES7315-2AF03-0AB0 Siemens
    $549.97 - $4,032.00
    $549.97 - $4,032.00
    $549.97 - $4,032.00
    $549.97

    6ES7315-2AF03-0AB0 Siemens

    SIMATIC S7-300, CPU 315-2 DP, Central processing unit with integr. Power supply 24 V DC, Work memory 64 KB 2nd interface DP master/slave

  • 6GK7343-1GX30-0XE0 Siemens
    $1,935.50 - $2,204.88
    $1,935.50 - $2,204.88
    $1,935.50 - $2,204.88
    $1,935.50

    6GK7343-1GX30-0XE0 Siemens

    Communications processor CP 343-1 Advanced for connection of SIMATIC S7-300 CPU to Industrial Ethernet: PROFINET IO controller a./o. IO device; RT ...

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  • 6ES7316-2AG00-0AB0 Siemens
    $729.23 - $4,295.90
    $729.23 - $4,295.90
    $729.23 - $4,295.90
    $729.23

    6ES7316-2AG00-0AB0 Siemens

    SIMATIC S7-300, CPU 316-2DP Central processing unit with integr. Power supply 24 V DC, Work memory 128 KB 2nd interface DP master/slave

  • 6ES7317-2EK14-0AB0 Siemens
    $1,654.60 - $25,364.85
    $1,654.60 - $25,364.85
    $1,654.60 - $25,364.85
    $1,654.60

    6ES7317-2EK14-0AB0 Siemens

    SIMATIC S7-300 CPU 317-2 PN/DP, Central processing unit with 1 MB work memory, 1st interface MPI/DP 12 Mbit/s, 2nd interface Ethernet PROFINET, wit...

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  • 6GK7443-1EX11-0XE0 Siemens
    $357.50 - $538.29
    $357.50 - $538.29
    $357.50 - $538.29
    $357.50

    6GK7443-1EX11-0XE0 Siemens

    Communications processor CP 443-1 for connection of SIMATIC S7-400 to industrial Ethernet via ISO/TCP/IP and UDP, S7 communication, fetch/write, Di...

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  • 6GK7443-1GX30-0XE0 Siemens
    $5,848.50 - $8,607.00
    $8,607.00
    $5,848.50 - $8,607.00
    $8,607.00

    6GK7443-1GX30-0XE0 Siemens

    4 X 10/100 MBIT/S (IE SWITCH); RJ 45 PORTS; ISO; TCP; UDP; PROFINET-IO CON- TROLLER; S7-COMMUNCATION; OPEN Communication (SEND/RE- CEIVE); S7-ROUTI...

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  • 6ES7321-1BL00-0AA0 Siemens
    $300.00 - $330.00
    $330.00
    $300.00 - $330.00
    $330.00

    6ES7321-1BL00-0AA0 Siemens

    SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED 32DI, 24 V DC, 1 X 40 PIN

  • 6ES7322-1FF01-0AA0 Siemens
    $522.47 - $1,915.90
    $522.47 - $1,915.90
    $522.47 - $1,915.90
    $522.47

    6ES7322-1FF01-0AA0 Siemens

    SIMATIC S7-300, DIGITAL OUTPUT SM 322, OPTICALLY ISOLATED, 8 DO, 120/230V AC, 1A, 1 X 20 PIN

  • 6ES7322-1HF01-0AA0 Siemens
    $0.00 - $300.00
    $300.00
    $0.00 - $300.00
    $300.00

    6ES7322-1HF01-0AA0 Siemens

    Simatic S7-300, Digital Output SM322, Optically ISOLATED, 8 DO (RELAY), 1 X 20 PIN, 24V DC, 2A OR 230V AC, 2A

  • 6GT2801-2AB10 Siemens
    $0.00 - $737.50
    $737.50
    $0.00 - $737.50
    $737.50

    6GT2801-2AB10 Siemens

    Simatic RF300 READER RF340R (RF300+ISO15693) with RS422-INTERFACE (3964R) IP 67, -25 UP TO +70 DGR/C, 75 X 75 X 41 MM with Integrated Antenna Notes...

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  • 6ES7322-1HH01-0AA0 Siemens
    $300.00 - $1,845.00
    $300.00 - $1,845.00
    $300.00 - $1,845.00
    $300.00

    6ES7322-1HH01-0AA0 Siemens

    Simatic S7-300, Digital Output SM322, Optically Isolated 16DO, RELAY CONTACTS, 1 X 20 PIN

  • 6ES7326-1BK02-0AB0 Siemens
    $1,063.13 - $2,730.20
    $1,063.13 - $2,730.20
    $1,063.13 - $2,730.20
    $1,063.13

    6ES7326-1BK02-0AB0 Siemens

    Simatic S7, Digital Input SM326, F-DI 24 X DC 24V, FAILSAFE Digital INPUTS FOR Simatic S7 FAILSAFE Systems with DIAGNOST. Interrupt, UP TO CATEGORY...

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  • 6RY1703-0AA01 Siemens
    $0.00 - $3,591.04
    $3,591.04
    $0.00 - $3,591.04
    $3,591.04

    6RY1703-0AA01 Siemens

    BRAND NEW CONDITION, GUARANTEED.

  • 6ES7331-1KF01-0AB0 Siemens
    $300.03 - $2,202.20
    $300.03 - $2,202.20
    $300.03 - $2,202.20
    $300.03

    6ES7331-1KF01-0AB0 Siemens

    SIMATIC S7-300, ANALOG INPUT SM 331, OPTICALLY ISOLATED, 8 AI, 13 BIT RESOLUTION, U/I/RESISTANCE/PT100, NI100, NI1000, LG-NI1000, 66 MS MODULE UPDA...

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  • 6ES7331-7KF02-0AB0 Siemens
    $300.00 - $2,312.87
    $300.00 - $2,312.87
    $300.00 - $2,312.87
    $300.00

    6ES7331-7KF02-0AB0 Siemens

    SIMATIC S7-300, Analog input SM 331, isolated, 8 AI, Resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-pole Removing/in...

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  • 6RY1703-0DA02 Siemens
    $0.00 - $8,250.00
    $0.00 - $8,250.00
    $0.00 - $8,250.00
    $8,250.00

    6RY1703-0DA02 Siemens

    BRAND NEW CONDITION, GUARANTEED.

  • 6ES7331-7NF00-0AB0 Siemens
    $372.57 - $974.88
    $372.57 - $974.88
    $372.57 - $974.88
    $372.57

    6ES7331-7NF00-0AB0 Siemens

    Simatic S7-300, ANALOG Input SM331, Optically ISOLATED, 8 AE; +/-5/10V, 1-5 V, +/-20mA, 0/4 TO 20mA, 16 BIT (55 MS), 1 COMMON POINT(50 V COM.), 1 X...

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  • 6ES7331-7NF10-0AB0 Siemens
    $3,283.27 - $3,678.50
    $3,678.50
    $3,283.27 - $3,678.50
    $3,678.50

    6ES7331-7NF10-0AB0 Siemens

    SIMATIC S7-300, Analog input SM 331, isolated, 8 AI; +/-5/10V, 1-5 V, +/-20 mA, 0/4 to 20 mA, 16 bit, Single rooting (60 V COM.), 4-channel operati...

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  • 6ES7331-7PF11-0AB0 Siemens
    $412.28 - $1,772.50
    $412.28 - $1,772.50
    $412.28 - $1,772.50
    $412.28

    6ES7331-7PF11-0AB0 Siemens

    Simatic S7-300, ANALOG Input SM331, Optically ISOLATATED, 8 AI THERMOCOUPLE, TYPE B, E, J, K, L, N, R, S, T TXK/TXK(L) ACCORDING GOST 16 BIT, 50 MS...

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  • 6SC6500-0UC01 Siemens
    $0.00 - $1,247.50
    $1,247.50
    $0.00 - $1,247.50
    $1,247.50

    6SC6500-0UC01 Siemens

    SIMODRIVE 650 I/O P.C.B

  • 6ES7332-5HF00-0AB0 Siemens
    $439.01 - $1,083.83
    $439.01 - $1,083.83
    $439.01 - $1,083.83
    $439.01

    6ES7332-5HF00-0AB0 Siemens

    SIMATIC S7-300, Analog output SM 332, isolated, 8 AO, U/I; diagnostics; resolution 11/12 bits, 40-pole, removing and inserting possible with active...

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  • 6SE3214-0DA40 Siemens
    $562.50 - $3,599.98
    $562.50 - $3,599.98
    $562.50 - $3,599.98
    $562.50

    6SE3214-0DA40 Siemens

    MICROMASTER VECTOR MMV150/3 UNFILTERED 3AC 380-500V +/-10 50/60HZ CONSTANT TORQUE: 1.5 KW OVERLOAD 150 60SEC, 200 3SEC VARIABLE TORQUE: N/A 175 X 7...

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  • 6ES7361-3CA01-0AA0 Siemens
    $343.75 - $412.50
    $343.75 - $412.50
    $343.75 - $412.50
    $343.75

    6ES7361-3CA01-0AA0 Siemens

    Simatic S7-300,INTERFACE Module IM361 IN EXPANSION RACK FOR CONNECTING TO Central RACK (IM360),24 V DC SUPPLY VOLTAGE, with K-BUS