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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.

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  • 6AV3515-1MA00 Siemens
    $0.00 - $522.50
    $522.50
    $0.00 - $522.50
    $522.50

    6AV3515-1MA00 Siemens

    OP 15/B OPERATOR PANEL 4-LINE DISPLAY WITH 20 CPL, 8 MM CHAR. HEIGHT OR 8 LINES W. 40 CPL, 4.5 MM CHAR. HEIGHT

  • 6AV3515-1MA22 Siemens
    $1,725.00 - $6,333.06
    $1,725.00 - $6,333.06
    $1,725.00 - $6,333.06
    $1,725.00

    6AV3515-1MA22 Siemens

    OP15/C2 OPERATOR PANEL 4 LINE DISPLAY, 20 CPL OR 8 LINE DISPLAY, 40 CPL WITH 2 X TTY/V.24 AND 1 X MPI/PPI/ SINEC L2-DP, 8 SOFTKEYS

  • 6ES7972-0BA52-0XB0 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6ES7972-0BA52-0XB0 Siemens

    SIMATIC DP,BUS CONNECTOR FOR PROFIBUS UP TO 12 MBIT/S 90 DEGREE ANGLE CABLE OUTLET, 15,8 X 59 X 35,6 MM (WXHXD), IPCD TECHOLOGY FAST CONNECT, WITHO...

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  • 6ES7516-2GN00-0AB0 Siemens
    $0.00 - $5,629.38
    $5,629.38
    $0.00 - $5,629.38
    $5,629.38

    6ES7516-2GN00-0AB0 Siemens

    SIMATIC DP, CPU 1516PRO F-2 PN for ET 200pro, Central processing unit with work memory 1.5 MB for program and 5 MB for data, 1. interface: PROFINET...

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  • 6ES7516-2PN00-0AB0 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6ES7516-2PN00-0AB0 Siemens

    SIMATIC DP, CPU 1516PRO-2 PN for ET 200pro, Central processing unit with work memory 1 MB for program and 5 MB for data, 1. interface: PROFINET IRT...

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  • 6ES7154-8FB01-0AB0 Siemens
    $1,725.00 - $2,290.75
    $1,725.00 - $2,290.75
    $1,725.00 - $2,290.75
    $1,725.00

    6ES7154-8FB01-0AB0 Siemens

    SIMATIC DP, IM 154-8F PN/DP PLC FOR ET200PRO, 512KB WORK MEMORY, INT. PROFINET IF, INT.PROFIBUS DP MASTER/SLAVE IF PROT. IP65/67, MMC REQUIRED

  • 6ES7157-0AC82-0XA0 Siemens
    $1,920.87 - $3,696.07
    $1,920.87 - $3,696.07
    $1,920.87 - $3,696.07
    $1,920.87

    6ES7157-0AC82-0XA0 Siemens

    SIMATIC DP, distributed I/O field device interface DP/PA coupler not Ex-Version 1000mA/31V Field coupler between PROFIBUS DP and PROFIBUS PA for ex...

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  • 6ES7151-8FB01-0AB0 Siemens
    $798.00 - $4,588.30
    $798.00 - $4,588.30
    $798.00 - $4,588.30
    $798.00

    6ES7151-8FB01-0AB0 Siemens

    SIMATIC DP, IM151-8F PN/DP CPU FOR ET200S, 256 KB WORKING MEMORY, INT. PROFINET INTERFACE (WITH THREE RJ45 PORTS) AS IO-CONTROLLER, W/O BATTERY MMC...

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  • 6ES7972-4AA02-0XA0 Siemens
    $0.00 - $504.08
    $504.08
    $0.00 - $504.08
    $504.08

    6ES7972-4AA02-0XA0 Siemens

    SIMATIC DP, POWER RAIL BOOSTER SIGNAL AMPLIFIER FOR TRANSMITTING THE PROTOCOL OF PROFIBUS-DP USING COLLECTOR WIRES, MAX 500 KBIT/S

  • 6ES7136-6AA00-0CA1 Siemens
    $824.98 - $2,003.39
    $2,003.39
    $824.98 - $2,003.39
    $2,003.39

    6ES7136-6AA00-0CA1 Siemens

    SIMATIC DP, ELECTRONIC MODULE ET 200SP, F-AI 4xI(0)4..20mA HF FAILSAFE ANALOG INPUTS up to PL E (ISO 13849) up to SIL 3 (IEC 61508)

  • 6ES7151-1AA04-0AB0 Siemens
    $302.22 - $702.80
    $302.22 - $702.80
    $302.22 - $702.80
    $302.22

    6ES7151-1AA04-0AB0 Siemens

    SIMATIC DP, INTERFACE MODULE IM151-1 STANDARD FOR ET200S; INCL. TERMINATING MODULE DATA VOLUME 244BYTE FOR EACH INPUT AND OUTPUT; MAX. OF 63 PERIPH...

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  • 6ES7138-4HA00-0AB0 Siemens
    $343.75 - $1,037.50
    $343.75 - $1,037.50
    $343.75 - $1,037.50
    $343.75

    6ES7138-4HA00-0AB0 Siemens

    SIMATIC DP, DP MASTER INTERFACE FOR IM 151-7 CPU OR IM 151-8 PN/DP (ET200S), MODULE WITH PROFIBUS DP INTERF. (9 PIN SUB-D, FEMALE) AS DP MASTER

  • 6ES7155-5AA00-0AC0 Siemens
    $875.00 - $1,750.00
    $875.00 - $1,750.00
    $875.00 - $1,750.00
    $875.00

    6ES7155-5AA00-0AC0 Siemens

    Simatic ET 200MP. PROFINET IO-DEVICE InterfaceMODULE IM 155-5 PN HF FOR ET 200MP ELEKTRONIKModules; UP TO 12 IO-Modules WITHOUT ADDITIONAL PS; UP T...

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  • 6ES7138-4FC01-0AB0 Siemens
    $906.25 - $2,116.90
    $906.25 - $2,116.90
    $906.25 - $2,116.90
    $906.25

    6ES7138-4FC01-0AB0 Siemens

    SIMATIC DP, ELECTRON. MODULE F. ET200S, 4 F-DI/3 F-DO DC24V/2A PROFISAFE, 30 MM WIDTH UP TO CATEGORY 3 (EN954-1)/ SIL2 (IEC61508)/PLD (ISO13849), A...

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  • 6ES7138-4DF11-0AB0 Siemens
    $775.35 - $1,150.00
    $775.35 - $1,150.00
    $775.35 - $1,150.00
    $775.35

    6ES7138-4DF11-0AB0 Siemens

    SIMATIC DP, ELECTRONIC MODULE FOR ET 200S, 1 SI SERIAL INTERFACE ONE CHANNEL, 15MM WIDE RS232/422, 485 MODBUS/USS

  • 6ES7151-1AA03-0AB0 Siemens
    $687.50 - $1,870.00
    $687.50 - $1,870.00
    $687.50 - $1,870.00
    $687.50

    6ES7151-1AA03-0AB0 Siemens

    SIMATIC DP, INTERFACE MODULE IM151-1 STANDARD FOR ET200S; TRANSMISS. RATE UP TO 12MBIT/S; DATA VOLUME 128BYTE FOR EACH INPUT AND OUTPUT; MAX. OF 63...

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  • 6ES7138-4CF03-0AB0 Siemens
    $0.00 - $597.50
    $597.50
    $0.00 - $597.50
    $597.50

    6ES7138-4CF03-0AB0 Siemens

    SIMATIC DP, POWER MODULE PM-E F PROFISAFE, FOR ET 200S; 24V DC USEABLE FOR INSTALLATIONS WITH UNGROUNDED REFERENCE POTENTIAL RELAIS FOR FAIL-SAFE S...

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  • 6ES7154-4AB10-0AB0 Siemens
    $343.75 - $1,000.00
    $343.75 - $1,000.00
    $343.75 - $1,000.00
    $343.75

    6ES7154-4AB10-0AB0 Siemens

    Simatic DP, PROFINET Interface Module IM154-4 PN, High Feature FOR ET 200PRO, Integrated Switch, INCLUSIVE TERMINATING MODULE, CONNECTING Module IM...

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  • 6ES7138-4DF01-0AB0 Siemens
    $327.25 - $587.50
    $327.25 - $587.50
    $327.25 - $587.50
    $327.25

    6ES7138-4DF01-0AB0 Siemens

    SIMATIC DP, ELECTRONIC MODULE FOR ET 200S, 1 SI SERIAL INTERFACE ONE CHANNEL, 15MM WIDE RS232/422, 485 ASCII, 3964R

  • 6ES7143-3BH00-0XA0 Siemens
    $0.00 - $1,372.50
    $1,372.50
    $0.00 - $1,372.50
    $1,372.50

    6ES7143-3BH00-0XA0 Siemens

    SIMATIC DP, BASIC MODULE BM143 ET 200ECO: 8DI/8DO, 2A; 8 X M12,DOUBLE-ASSIGNEMENT, DEGREE OF PROTECTION IP65/67; CONNECTING BLOCK 6ES7194-3AA00-0.A...

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  • 6ES7155-6BA00-0CN0 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6ES7155-6BA00-0CN0 Siemens

    SIMATIC ET 200SP, BUNDLE PROFIBUS IM, IM155-6DP HF, MAX. 32 PERIPHERY MODULES, AND 16 ET 200AL MODULES, MULTI HOT SWAP, BUNDLE CONTAINS: INTERFACEM...

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  • 6ES7137-6AA00-0BA0 Siemens
    $932.48 - $2,846.92
    $932.48 - $2,846.92
    $932.48 - $2,846.92
    $932.48

    6ES7137-6AA00-0BA0 Siemens

    SIMATIC ET 200SP, CM PTP communication module for serial connection RS422, RS485 and RS232, Freeport, 3964 (R), USS, MODBUS RTU Master, Slave, 1152...

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  • 6ES7151-1AA05-0AB0 Siemens
    $492.25 - $1,875.00
    $492.25 - $1,875.00
    $492.25 - $1,875.00
    $492.25

    6ES7151-1AA05-0AB0 Siemens

    SIMATIC DP, INTERFACE MODULE IM151-1 STANDARD FOR ET200S; INCL. TERMINATING MODULE DATA VOLUME 244BYTE FOR EACH INPUT AND OUTPUT; MAX. OF 63 PERIPH...

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  • 6ES7138-4FB03-0AB0 Siemens
    $316.25 - $1,680.08
    $316.25 - $1,680.08
    $316.25 - $1,680.08
    $316.25

    6ES7138-4FB03-0AB0 Siemens

    SIMATIC DP, Electronics module f. ET200S, 4 F-DO PROFIsafe, 24 V DC/2 A, 30 mm overall width, up to Category 4 (EN 954-1)/ SIL3 (IEC61508)/PLE (ISO...

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  • 6ES7154-2AA01-0AB0 Siemens
    $725.00 - $1,250.00
    $725.00 - $1,250.00
    $725.00 - $1,250.00
    $725.00

    6ES7154-2AA01-0AB0 Siemens

    SIMATIC DP, PROFIBUS DP INTERFACE MODULE IM154-2 HIGH FEATURE FOR ET 200PRO INCLUSIVE TERMINATING MODULE, CONNECTING MODULE IM 6ES7194-4A.00-0AA0 M...

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  • 6ES7155-6AA01-0BN0 Siemens
    $0.00 - $574.98
    $0.00 - $574.98
    $0.00 - $574.98
    $574.98

    6ES7155-6AA01-0BN0 Siemens

    SIMATIC ET 200SP, BUNDLE PROFINET IM, IM155-6PN ST, MAX. 32 PERIPHERY MODULES AND 16 ET 200AL MODULES, SINGLE HOT SWAP, BUNDLE CONTAINS: INTERFACEM...

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  • 6ES7155-6AU00-0CN0 Siemens
    $300.00 - $2,442.65
    $300.00 - $2,442.65
    $300.00 - $2,442.65
    $300.00

    6ES7155-6AU00-0CN0 Siemens

    SIMATIC ET 200SP, PROFINET INTERFACE MODULE ET 200SP IM155-6PN HIGH FEATURE MAX. 64 PERIPHERY MODULES, 0.25 MS ISOCHRONOUS MODE MULTI HOT SWAP, INC...

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  • 6ES7155-6AU01-0CN0 Siemens
    $316.25 - $1,940.40
    $316.25 - $1,940.40
    $316.25 - $1,940.40
    $316.25

    6ES7155-6AU01-0CN0 Siemens

    SIMATIC ET 200SP, PROFINET 2-port interface module IM155-6PN/2 High Feature, 1 slot for SIMATIC BusAdapter, max. 64 Periphery modules and 16 ET 200...

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  • 6ES7151-1AA06-0AB0 Siemens
    $537.48 - $1,487.50
    $537.48 - $1,487.50
    $537.48 - $1,487.50
    $537.48

    6ES7151-1AA06-0AB0 Siemens

    SIMATIC DP, Interface module IM 151-1 Standard for ET 200S; incl. termination module Data volume of 244 bytes each for inputs and outputs; max. 63 ...

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  • 6ES7145-4GF00-0AB0 Siemens
    $1,003.95 - $1,254.93
    $1,003.95 - $1,254.93
    $1,003.95 - $1,254.93
    $1,003.95

    6ES7145-4GF00-0AB0 Siemens

    SIMATIC DP, ELECTRONIC MODULES FOR ET200PRO 4 AO I HIGH FEATURE, +-20MA; 0...20MA; 4-20MA; CHANNEL DIAGNOSTICS; INCLUSIVE BUS MODULE CONNECTING MOD...

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  • 6ES7155-6AU00-0BN0 Siemens
    $495.00 - $508.75
    $508.75
    $495.00 - $508.75
    $508.75

    6ES7155-6AU00-0BN0 Siemens

    SIMATIC ET 200SP, PROFINET INTERFACE MODULE IM155-6PN STANDARD, MAX. 32 PERIPHERY MODULES, INCL. SERVER MODULE

  • 6ES7136-6DC00-0CA0 Siemens
    $622.50 - $687.50
    $622.50 - $687.50
    $622.50 - $687.50
    $622.50

    6ES7136-6DC00-0CA0 Siemens

    SIMATIC DP, Electronics module ET 200SP, F-DQ 8XDC 24V0.5A PP, 15 mm width, up to PL E (ISO 13849) up to SIL 3 (IEC 61508)

  • 6ES7138-4FA05-0AB0 Siemens
    $300.00 - $875.00
    $300.00 - $875.00
    $300.00 - $875.00
    $300.00

    6ES7138-4FA05-0AB0 Siemens

    Simatic DP, ELECTRON. Module F. ET200S, 4/8 F-DI PROFISAFE, 24V DC, 30 MM WIDTH UP TO PL e (ISO13849), UP TO SIL3 (IEC 61508), ALSO USEABLE IN PROF...

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  • 6ES7144-4GF01-0AB0 Siemens
    $544.50 - $974.15
    $544.50 - $974.15
    $544.50 - $974.15
    $544.50

    6ES7144-4GF01-0AB0 Siemens

    Simatic DP, ELECTRONIC Module FOR ET200PRO 4 AI I High Feature, +-20mA; 0...20mA; 4-20mA Channel DIAGNOSTICS; INCLUSIVE BUS Module CONNECTING Modul...

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  • 6ES7155-6AU01-0BN0 Siemens
    $346.47 - $581.85
    $346.47 - $581.85
    $346.47 - $581.85
    $346.47

    6ES7155-6AU01-0BN0 Siemens

    SIMATIC ET 200SP, PROFINET interface module IM155-6PN standard, max. 32 periphery moduls and 16 ET 200AL modules, single hot swap, incl. server mod...

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  • 6ES7193-6AG20-0AA0 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6ES7193-6AG20-0AA0 Siemens

    SIMATIC bus adapter: BA LC/RJ45, Media converter FOC/CU 1x LC FO connection and, 1x RJ45 connection for PROFINET