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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.
  • 6ES7154-2AA01-0AB0 Siemens
    Original price $725.00 - Original price $1,250.00
    Original price
    $725.00 - $1,250.00
    $725.00 - $1,250.00
    Current price $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
    Original price $0.00 - Original price $574.98
    Original price
    $0.00 - $574.98
    $0.00 - $574.98
    Current price $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
    Original price $300.00 - Original price $2,442.65
    Original price
    $300.00 - $2,442.65
    $300.00 - $2,442.65
    Current price $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
    Original price $316.25 - Original price $1,940.40
    Original price
    $316.25 - $1,940.40
    $316.25 - $1,940.40
    Current price $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
    Original price $537.48 - Original price $1,487.50
    Original price
    $537.48 - $1,487.50
    $537.48 - $1,487.50
    Current price $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
    Original price $1,003.95 - Original price $1,254.93
    Original price
    $1,003.95 - $1,254.93
    $1,003.95 - $1,254.93
    Current price $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
    Original price $495.00 - Original price $508.75
    Original price
    $508.75
    $495.00 - $508.75
    Current price $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
    Original price $622.50 - Original price $687.50
    Original price
    $622.50 - $687.50
    $622.50 - $687.50
    Current price $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
    Original price $300.00 - Original price $875.00
    Original price
    $300.00 - $875.00
    $300.00 - $875.00
    Current price $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
    Original price $544.50 - Original price $974.15
    Original price
    $544.50 - $974.15
    $544.50 - $974.15
    Current price $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
    Original price $346.47 - Original price $581.85
    Original price
    $346.47 - $581.85
    $346.47 - $581.85
    Current price $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
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $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

  • 6ES7137-6BD00-0BA0 Siemens
    Original price $1,250.08 - Original price $3,893.75
    Original price
    $3,893.75
    $1,250.08 - $3,893.75
    Current price $3,893.75

    6ES7137-6BD00-0BA0 Siemens

    Simatic ET 200SP, CM 4 X IO-LINK ST Communication Module IO-LINK MASTER V1.1

  • 6ES7155-6AR00-0AN0 Siemens
    Original price $412.50 - Original price $1,327.50
    Original price
    $412.50 - $1,327.50
    $412.50 - $1,327.50
    Current price $412.50

    6ES7155-6AR00-0AN0 Siemens

    Simatic ET 200SP, PROFINET Interface Module IM155-6PN Basic, MAX. 12 PERIPHERY Modules, 2X Integrated RJ45 SOCKETS INCL. SERVERMODUL,

  • 6ES7154-1AA01-0AB0 Siemens
    Original price $327.25 - Original price $550.00
    Original price
    $327.25 - $550.00
    $327.25 - $550.00
    Current price $327.25

    6ES7154-1AA01-0AB0 Siemens

    Simatic DP, PROFIBUS DP Interface Module IM154-1 DP FOR ET 200PRO INCLUSIVE TERMINATING MODULE, CONNECTING Module IM 6ES7194-4A.00-0AA0 MUST BE ORD...

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  • 6ES7195-7HD80-0XA0 Siemens
    Original price $300.00 - Original price $443.85
    Original price
    $443.85
    $300.00 - $443.85
    Current price $443.85

    6ES7195-7HD80-0XA0 Siemens

    Simatic DP, BUS Unit BM IM 157 FOR EXPANDED TEMPERATURE RANGE SUBMODULE FOR IM157 and IM153-2 FOR INSERT/REMOVE FUNCTION WHILE OPERATING MODE RUN

  • 6ES7195-7HD10-0XA0 Siemens
    Original price $302.50 - Original price $539.00
    Original price
    $302.50 - $539.00
    $302.50 - $539.00
    Current price $302.50

    6ES7195-7HD10-0XA0 Siemens

    Simatic DP, BUS Unit FOR ET200M FOR IntegratiNG 2 IM153-2 RED. FUNCTION: INSERT/REMOVE WHILE OPERATING MODE RUN

  • 6ES7142-4BF00-0AA0 Siemens
    Original price $350.98 - Original price $392.70
    Original price
    $350.98 - $392.70
    $350.98 - $392.70
    Current price $350.98

    6ES7142-4BF00-0AA0 Siemens

    Simatic DP, ELECTRONIC Modules FOR ET200PRO 8 DO DC 24V, 0.5A Module DIAGNOSTICS; INCLUSIVE BUS MODULE, CONNECTING Module IO 6ES7194-4..00-0AA0 MUS...

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  • 6ES7194-3AA00-0BA0 Siemens
    Original price $336.49 - Original price $541.75
    Original price
    $336.49 - $541.75
    $336.49 - $541.75
    Current price $336.49

    6ES7194-3AA00-0BA0 Siemens

    Simatic DP, CONNECTING BLOCK M12, 7/8" FOR ET200ECO, 2 X M12 and 2 X 7/8", 2 ROTARY CODING Switch FOR PROFIBUS-DP, ADDRESS SETTING

  • 6ES7195-7HG00-0XA0 Siemens
    Original price $387.20 - Original price $462.00
    Original price
    $387.20 - $462.00
    $387.20 - $462.00
    Current price $462.00

    6ES7195-7HG00-0XA0 Siemens

    Simatic S7, SEPARATOR BUS MODUL BETWEEN F- and Standard Modules USE ONLY with SEPARATOR MODULE

  • 6ES7193-6AR00-0AA0 Siemens
    Original price $300.00 - Original price $357.47
    Original price
    $357.47
    $300.00 - $357.47
    Current price $357.47

    6ES7193-6AR00-0AA0 Siemens

    Simatic ET 200SP, BUSADAPTER BA 2X RJ45, 2 RJ45 SOCKETS FOR PROFINET

  • 6ES7193-6BP00-0BA0 Siemens
    Original price $300.00 - Original price $1,187.50
    Original price
    $1,187.50
    $300.00 - $1,187.50
    Current price $1,187.50

    6ES7193-6BP00-0BA0 Siemens

    Simatic ET 200SP, BASEUnit BU15-P16+A0+2B, BU-TYPE A0, PUSH-IN TERMINALS, W/O AUX-TERMINALS, BRIDGED TO LEFT BU WXH: 15MMX117MM

  • 6ES7223-1PM22-0XA0 Siemens
    Original price $0.00 - Original price $4,541.35
    Original price
    $4,541.35
    $0.00 - $4,541.35
    Current price $4,541.35

    6ES7223-1PM22-0XA0 Siemens

    SIMATIC S7-200, DIGITAL I/O EM 223, FOR S7-22X CPU ONLY, 32 DI 24 V DC, SINK/SOURCE 32 DO RELAY, 2A/POINT

  • 6ES7232-0HD22-0XA0 Siemens
    Original price $330.00 - Original price $3,593.19
    Original price
    $330.00 - $3,593.19
    $330.00 - $3,593.19
    Current price $330.00

    6ES7232-0HD22-0XA0 Siemens

    SIMATIC S7-200, Analog output EM 232, only for S7-22X CPU, 4 AI, +/-10 V DC, 0..20mA 12/11-bit converter

  • 6ES7223-1BL22-0XA0 Siemens
    Original price $341.61 - Original price $462.00
    Original price
    $341.61 - $462.00
    $341.61 - $462.00
    Current price $341.61

    6ES7223-1BL22-0XA0 Siemens

    SIMATIC S7-200, Digital I/O EM 223, only for S7-22X CPU, 16 DI 24 V DC, Sink/Source, 16DO 24 V DC; 0.75 A/channel,source

  • 6ES7223-1PH00-0XA0 Siemens
    Original price $0.00 - Original price $537.50
    Original price
    $537.50
    $0.00 - $537.50
    Current price $537.50

    6ES7223-1PH00-0XA0 Siemens

    SIMATIC S7-200, DIGITAL I/O EM 223, FOR S7-21X CPU ONLY, 8 DI DC 24 V/ 8 DO RELAY FOR S7-21X CPU ONLY

  • 6ES7231-7PB22-0XA0 Siemens
    Original price $2,694.43 - Original price $2,721.66
    Original price
    $2,694.43 - $2,721.66
    $2,694.43 - $2,721.66
    Current price $2,694.43

    6ES7231-7PB22-0XA0 Siemens

    SIMATIC S7-200, ANALOG INPUT EM 231, FOR S7-22X CPU ONLY, 2AI, PT100/200/500/1000/10000 NI100/120/1000, CU10, RESISTANCE 150/300/600 OHM 15 BIT + SIGN

  • 6ES7223-1BH00-0XA0 Siemens
    Original price $1,514.18 - Original price $1,817.50
    Original price
    $1,514.18 - $1,817.50
    $1,514.18 - $1,817.50
    Current price $1,514.18

    6ES7223-1BH00-0XA0 Siemens

    SIMATIC S7-200, DIGITAL I/O EM 223, FOR S7-21X CPU ONLY, 8 DI DC 24 V/8 DO DC 24 V

  • 6ES7222-1HF00-0XA0 Siemens
    Original price $535.00 - Original price $750.00
    Original price
    $535.00 - $750.00
    $535.00 - $750.00
    Current price $535.00

    6ES7222-1HF00-0XA0 Siemens

    SIMATIC S7-200, DIGITAL OUTPUT EM 222, OPTICALLY ISOLATED 8DO, (RELAY OUTPUTS) 2A FOR S7-21X CPU ONLY,

  • 6ES7222-1BF00-0XA0 Siemens
    Original price $373.42 - Original price $1,065.00
    Original price
    $373.42 - $1,065.00
    $373.42 - $1,065.00
    Current price $373.42

    6ES7222-1BF00-0XA0 Siemens

    SIMATIC S7-200, DIGITAL OUTPUT EM 222, OPTICALLY ISOLATED 8DQ, 24 V DC, 0.5A FOR S7-21X CPU ONLY

  • 6ES7223-1PH21-0XA0 Siemens
    Original price $1,629.98 - Original price $2,961.41
    Original price
    $1,629.98 - $2,961.41
    $1,629.98 - $2,961.41
    Current price $1,629.98

    6ES7223-1PH21-0XA0 Siemens

    SIMATIC S7-200, DIGITAL I/O EM 223, FOR S7-22X CPU ONLY, 8 DI DC 24 V, SINK/SOURCE, 8 DO RELAY, 2A/POINT

  • 6ES7222-1EF22-0XA0 Siemens
    Original price $484.00 - Original price $1,090.55
    Original price
    $484.00 - $1,090.55
    $484.00 - $1,090.55
    Current price $484.00

    6ES7222-1EF22-0XA0 Siemens

    SIMATIC S7-200, DIGITAL OUTPUT EM 222, OPTICALLY ISOLATED 8DQ, 120/230V AC, 0.5A

  • 6ES7231-0HC22-0XA0 Siemens
    Original price $0.00 - Original price $343.75
    Original price
    $343.75
    $0.00 - $343.75
    Current price $343.75

    6ES7231-0HC22-0XA0 Siemens

    SIMATIC S7-200, ANALOG INPUT EM 231, FOR S7-22X CPU ONLY, 4 AI, 0 - 10V DC, 12 BIT CONVERTER

  • 6ES7223-1PH22-0XA0 Siemens
    Original price $0.00 - Original price $2,539.24
    Original price
    $2,539.24
    $0.00 - $2,539.24
    Current price $2,539.24

    6ES7223-1PH22-0XA0 Siemens

    SIMATIC S7-200, Digital I/O EM 223, only for S7-22X CPU, 8 DI 24 V DC, Sink/Source, 8 DO relay, 2 A/channel

  • 6ES7223-1BH22-0XA0 Siemens
    Original price $2,170.70 - Original price $3,490.20
    Original price
    $2,170.70 - $3,490.20
    $2,170.70 - $3,490.20
    Current price $2,170.70

    6ES7223-1BH22-0XA0 Siemens

    SIMATIC S7-200, DIGITAL I/O EM 223, FOR S7-22X CPU ONLY, 8 DI DC 24 V, SINK/SOURCE, 8 DO DC 24V, 0.75A/POINT SOURCE

  • 6ES7221-1BH22-0XA0 Siemens
    Original price $334.10 - Original price $2,328.36
    Original price
    $334.10 - $2,328.36
    $334.10 - $2,328.36
    Current price $334.10

    6ES7221-1BH22-0XA0 Siemens

    SIMATIC S7-200, DIGITAL INPUT EM 221, FOR S7-22X CPU ONLY, 16DI, 24V DC, SINK/SOURCE INPUT

  • 6ES7221-1BF22-0XA0 Siemens
    Original price $287.07 - Original price $533.50
    Original price
    $287.07 - $533.50
    $287.07 - $533.50
    Current price $287.07

    6ES7221-1BF22-0XA0 Siemens

    SIMATIC S7-200, Digital input EM 221, only for S7-22X CPU, 8 DI, 24 V DC, sinking-sourcing

  • 6ES7331-1KF00-0AB0 Siemens
    Original price $0.00 - Original price $622.50
    Original price
    $622.50
    $0.00 - $622.50
    Current price $622.50

    6ES7331-1KF00-0AB0 Siemens

    SIMATIC S7-300, ANALOG INPUT SM 331, OPTICALLY ISOLATED, 8 AI, 13 BIT RESOLUTION, U/I/RESISTANCE, PT100, 66 MS MODULE UPDATE, 40 PIN

  • 6ES7354-1AH01-0AE0 Siemens
    Original price $0.00 - Original price $783.13
    Original price
    $783.13
    $0.00 - $783.13
    Current price $783.13

    6ES7354-1AH01-0AE0 Siemens

    SIMATIC S7-300, FM 354 SUBMODULE FOR POSITIONING WITH SERVOMOTORS MODULE EXCHANGE W/O PG, PREQUISITE STEP7 V3.1 INCL. CONFIG. PACKAGE ON CD

  • 6ES7153-2BB00-0XB0 Siemens
    Original price $1,863.10 - Original price $3,195.00
    Original price
    $1,863.10 - $3,195.00
    $1,863.10 - $3,195.00
    Current price $1,863.10

    6ES7153-2BB00-0XB0 Siemens

    SIMATIC DP, Connection ET 200M IM 153-2 FO High Feature for max. 8 S7-300 modules, with redundancy capability, With integr. LWL interface for addit...

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  • 6AG1331-7KF02-2AB0 Siemens
    Original price $385.69 - Original price $2,707.27
    Original price
    $385.69 - $2,707.27
    $385.69 - $2,707.27
    Current price $385.69

    6AG1331-7KF02-2AB0 Siemens

    SIPLUS S7-300 SM331 20-POLE -25 ... +70øC with conformal coating conformity with EN50155 T1 KAT 1 KL A/B based on 6ES7331-7KF02-0AB0 . ANALOG INPU...

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  • 6ES7331-7TF01-0AB0 Siemens
    Original price $0.00 - Original price $2,387.00
    Original price
    $2,387.00
    $0.00 - $2,387.00
    Current price $2,387.00

    6ES7331-7TF01-0AB0 Siemens

    SIMATIC DP, HART analog input SM 331, 8 AI, 0/4 - 20 mA HART, for ET200M with IM153-2, 1 x 20-pole, Functions: FW update, HART auxiliary variables,...

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  • 6ES7322-8BH10-0AB0 Siemens
    Original price $2,400.20 - Original price $2,939.32
    Original price
    $2,939.32
    $2,400.20 - $2,939.32
    Current price $2,939.32

    6ES7322-8BH10-0AB0 Siemens

    Simatic S7/PCS7, SM322 Digital Output MODULE, 16 DO, DC 24 V / 0,5A, CAPABLE OF DIAGNOSTICS, WIRE BREAK DETECTION TO 0 and 1 SIGNAL, 1 X 40-PIN, In...

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  • 6ES7174-0AA10-0AA0 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    6ES7174-0AA10-0AA0 Siemens

    SIMATIC S7-300,INTERFACE MODULE IM174, FOR CONNECTING ANALOG DRIVES AND STEP DRIVES VIA ISOCHRONUS PROFIBUS TO MOTION CONTROLLERS 4 CHANNELS (4 ENC...

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  • 6ES7350-2AH01-0AE0 Siemens
    Original price $354.75 - Original price $4,681.50
    Original price
    $354.75 - $4,681.50
    $354.75 - $4,681.50
    Current price $354.75

    6ES7350-2AH01-0AE0 Siemens

    SIMATIC S7-300, Counter module FM 350-2, 8 channels, 20 kHz, 24 V encoder for counting, frequency measurement, speed measurement, period duration m...

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  • 6ES7336-4GE00-0AB0 Siemens
    Original price $0.00 - Original price $2,586.00
    Original price
    $2,586.00
    $0.00 - $2,586.00
    Current price $2,586.00

    6ES7336-4GE00-0AB0 Siemens

    SIMATIC S7, Analog input SM 336, 6 AI; 15 bit; fail-safe analog inputs for SIMATIC Safety, with HART support, up to Category 4 (EN 954-1)/ SIL3 (IE...

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  • 6ES7352-1AH01-0AE0 Siemens
    Original price $720.83 - Original price $2,450.00
    Original price
    $720.83 - $2,450.00
    $720.83 - $2,450.00
    Current price $720.83

    6ES7352-1AH01-0AE0 Siemens

    SIMATIC S7-300, FM 352 ELECTRON. CAM-OPERATED CONTROL INCL. CONFIG. PACKAGE ON CD

  • 6ES7326-2BF10-0AB0 Siemens
    Original price $1,649.98 - Original price $2,409.00
    Original price
    $1,649.98 - $2,409.00
    $1,649.98 - $2,409.00
    Current price $1,649.98

    6ES7326-2BF10-0AB0 Siemens

    SIMATIC S7, digital output SM 326, F-DO10x 24 V DC/2A PP, fail-safe digital output for SIMATIC S7F systems, with diagnostic alarm, LVV, up to Categ...

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