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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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  • 6ES7231-4HD32-0XB0 Siemens
    $329.86 - $796.88
    $329.86 - $796.88
    $329.86 - $796.88
    $329.86

    6ES7231-4HD32-0XB0 Siemens

    Simatic S7-1200, ANALOG INPUT, SM1231, 4 AI, +/-10V, +/-5V, +/-2.5V, OR 0-20mA/4-20mA, 12 BIT + SIGN BIT (13 BIT ADC)

  • 6ES7226-6DA32-0XB0 Siemens
    $357.47 - $525.00
    $357.47 - $525.00
    $357.47 - $525.00
    $357.47

    6ES7226-6DA32-0XB0 Siemens

    SIMATIC S7-1200, DIGITAL OUTPUT SM 1226, F-DQ 4X 24VDC 2A, PROFISAFE, 70 MM WIDTH, UP TO PL E (ISO 13849-1)/ UP TO SIL3 (IEC 61508)

  • 6ES7226-6BA32-0XB0 Siemens
    $461.15 - $495.14
    $461.15 - $495.14
    $461.15 - $495.14
    $461.15

    6ES7226-6BA32-0XB0 Siemens

    SIMATIC S7-1200, DIGITAL INPUT, SM 1226, F-DI 16X 24VDC, PROFISAFE, 70 MM WIDTH, UP TO PL E (ISO 13849-1)/ UP TO SIL3 (IEC 61508)

  • 6ES7221-1BH32-0XB0 Siemens
    $281.02 - $481.25
    $281.02 - $481.25
    $281.02 - $481.25
    $281.02

    6ES7221-1BH32-0XB0 Siemens

    SIMATIC S7-1200, Digital input SM 1221, 16 DI, 24 V DC, Sink/Source

  • 6ES7223-1BH32-0XB0 Siemens
    $300.00 - $660.00
    $300.00 - $660.00
    $300.00 - $660.00
    $300.00

    6ES7223-1BH32-0XB0 Siemens

    SIMATIC S7-1200, Digital I/O SM 1223, 8 DI/8 DO, 8 DI 24 V DC, Sink/Source, 8 DO, transistor 0.5 A

  • 6ES7222-1HH32-0XB0 Siemens
    $291.50 - $522.50
    $291.50 - $522.50
    $291.50 - $522.50
    $291.50

    6ES7222-1HH32-0XB0 Siemens

    SIMATIC S7-1200, Digital output SM 1222, 16 DO, relay 2 A

  • 6ES7222-1BH32-0XB0 Siemens
    $300.00 - $682.50
    $300.00 - $682.50
    $300.00 - $682.50
    $300.00

    6ES7222-1BH32-0XB0 Siemens

    SIMATIC S7-1200, Digital output SM 1222, 16 DO, 24 V DC, transistor 0.5 A

  • 6ES7221-1BF30-0XB0 Siemens
    $1,570.23 - $1,615.00
    $1,570.23 - $1,615.00
    $1,570.23 - $1,615.00
    $1,570.23

    6ES7221-1BF30-0XB0 Siemens

    SIMATIC S7-1200, Digital input SM 1221, 8 DI, 24 V DC, Sink/Source

  • 6ES7221-1BF32-0XB0 Siemens
    $300.00 - $349.25
    $349.25
    $300.00 - $349.25
    $349.25

    6ES7221-1BF32-0XB0 Siemens

    SIMATIC S7-1200, Digital input SM 1221, 8 DI, 24 V DC, Sink/Source

  • 6ES7531-7PF00-0AB0 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6ES7531-7PF00-0AB0 Siemens

    SIMATIC S7-1500, ANALOG INPUT MODULE AI 8 X U/R/RTD/TC HF, 16 BITS OF RESOLUTION, UP TO 21 BITS OF RESOLUTION WITH RTD AND TC, ACCURACY 0.1%, 8 CHA...

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  • 6ES7531-7NF00-0AB0 Siemens
    $1,249.98 - $1,875.00
    $1,249.98 - $1,875.00
    $1,249.98 - $1,875.00
    $1,249.98

    6ES7531-7NF00-0AB0 Siemens

    SIMATIC S7-1500, ANALOG INPUT MODULE AI 8 X U/I HF, UP TO 24 BITS OF RESOLUTION, ACCURACY 0.1%, 8 CHANNELS IN GROUPS OF 1 COMMON MODE VOLTAGE: 30V ...

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  • 6ES7526-2BF00-0AB0 Siemens
    $1,292.48 - $1,475.00
    $1,475.00
    $1,292.48 - $1,475.00
    $1,475.00

    6ES7526-2BF00-0AB0 Siemens

    SIMATIC S7-1500, FAILSAFE DIGITAL OUTPUT MODULE F-DQ 8X24VDC 2A PPM PROFISAFE; 35 MM WIDTH; UP TO PL E (ISO 13849-1)/ SIL3 (IEC 61508)

  • 6ES7531-7NF10-0AB0 Siemens
    $549.97 - $2,826.00
    $549.97 - $2,826.00
    $549.97 - $2,826.00
    $549.97

    6ES7531-7NF10-0AB0 Siemens

    SIMATIC S7-1500, Analog input module AI 8xU/I HS, 16 bit resolution, accuracy 0.3% 8 channels in groups of 8, Common mode voltage 10 V; diagnostics...

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  • 6ES7532-5HF00-0AB0 Siemens
    $875.00 - $1,309.13
    $1,309.13
    $875.00 - $1,309.13
    $1,309.13

    6ES7532-5HF00-0AB0 Siemens

    SIMATIC S7-1500, Analog output module AQ 8xU/I HS, 16 bit resolution, accuracy 0.3%, 8 channels in groups of 8, diagnostics, substitute value 8 cha...

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  • 6ES7532-5ND00-0AB0 Siemens
    $0.00 - $2,519.00
    $2,519.00
    $0.00 - $2,519.00
    $2,519.00

    6ES7532-5ND00-0AB0 Siemens

    SIMATIC S7-1500 Analog output module AQ 4xU/I HF, 16 bit resolution, accuracy 0.1%, 4 channels in groups of 1; common mode voltage: 30 V AC/60 V DC...

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  • 6ES7532-5HD00-0AB0 Siemens
    $687.50 - $1,249.98
    $687.50 - $1,249.98
    $687.50 - $1,249.98
    $687.50

    6ES7532-5HD00-0AB0 Siemens

    SIMATIC S7-1500, Analog output module AQ 4xU/I ST, 16 bit resolution, Accuracy 0.3 RATE. 4 channels in groups of 4, diagnostics, substitute value i...

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  • 6ES7521-7EH00-0AB0 Siemens
    $0.00 - $2,204.88
    $2,204.88
    $0.00 - $2,204.88
    $2,204.88

    6ES7521-7EH00-0AB0 Siemens

    SIMATIC S7-1500, DIGITAL INPUT MODULE DI 16 X 24...125V UC HF, 16 CHANNELS IN GROUPS OF 1; INPUT DELAY 0.05 ... 20MS; INPUT TYPE 3 (IEC 61131); DIA...

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  • 6ES7550-1AA00-0AB0 Siemens
    $0.00 - $1,322.50
    $1,322.50
    $0.00 - $1,322.50
    $1,322.50

    6ES7550-1AA00-0AB0 Siemens

    Simatic S7-1500, TM COUNT 2X24V COUNTING MODULE, 2 Channels FOR 24V INCREMENTAL Encoder OR 24V PULSES, 3DI, 2DQ PER Channel

  • 6ES7522-1BL01-0AB0 Siemens
    $597.50 - $812.50
    $597.50 - $812.50
    $597.50 - $812.50
    $597.50

    6ES7522-1BL01-0AB0 Siemens

    SIMATIC S7-1500, digital output module DQ 32x24 V DC/0.5 A HF; 32 channels in groups of 8; 4 A per group; Single-channel diagnostics; Substitute va...

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  • 6ES7523-1BL00-0AA0 Siemens
    $472.97 - $523.08
    $523.08
    $472.97 - $523.08
    $523.08

    6ES7523-1BL00-0AA0 Siemens

    SIMATIC S7-1500 digital input/output module, DI16x 24 V DC BA, 16 channels in groups of 16, input delay typ. 3.2ms Input type 3 (IEC 61131), DQ16X2...

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  • 6ES7522-1BL10-0AA0 Siemens
    $747.50 - $1,512.50
    $747.50 - $1,512.50
    $747.50 - $1,512.50
    $747.50

    6ES7522-1BL10-0AA0 Siemens

    SIMATIC S7-1500 Digital output module, DQ32x24 V DC/0.5A BA, 32 channels in groups of 8, 4 A per group; Delivery incl. front connector Push-in

  • 6ES7522-5HH00-0AB0 Siemens
    $669.18 - $812.50
    $812.50
    $669.18 - $812.50
    $812.50

    6ES7522-5HH00-0AB0 Siemens

    SIMATIC S7-1500, digital output module DQ 16x 230 V AC/2 A ST; 16 channels in groups of 2; 4 A per group; Diagnostics, substitute value: Front conn...

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  • 6ES7521-1BL00-0AB0 Siemens
    $620.00 - $1,260.75
    $620.00 - $1,260.75
    $620.00 - $1,260.75
    $620.00

    6ES7521-1BL00-0AB0 Siemens

    SIMATIC S7-1500, digital input module DI 32x24 V DC HF, 32 channels in groups of 16; Input delay 0.05..20 ms Input type 3 (IEC 61131); Diagnostics,...

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  • 6ES7521-1BL10-0AA0 Siemens
    $626.48 - $1,212.50
    $626.48 - $1,212.50
    $626.48 - $1,212.50
    $626.48

    6ES7521-1BL10-0AA0 Siemens

    SIMATIC S7-1500, Digital input module, DI 32x24 V DC BA, 32 channels in groups of 16, Input delay typ. 3.2 ms, Input type 3 (IEC 61131) incl. push-...

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  • 6ES7521-1FH00-0AA0 Siemens
    $371.97 - $800.00
    $371.97 - $800.00
    $371.97 - $800.00
    $371.97

    6ES7521-1FH00-0AA0 Siemens

    SIMATIC S7-1500, digital input module DI 16x230 V AC BA, 16 channels in groups of 4; Input delay 20 ms; Input type 1 (IEC 61131): Front connector (...

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  • 6ES7522-1BH01-0AB0 Siemens
    $343.75 - $412.36
    $343.75 - $412.36
    $343.75 - $412.36
    $343.75

    6ES7522-1BH01-0AB0 Siemens

    SIMATIC S7-1500, digital output module DQ16x24 V DC/0.5 A HF; 16 channels in groups of 8; 4 A per group; Single-channel diagnostics; Substitute val...

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  • 6ES7521-1BH10-0AA0 Siemens
    $343.75 - $407.00
    $343.75 - $407.00
    $343.75 - $407.00
    $343.75

    6ES7521-1BH10-0AA0 Siemens

    SIMATIC S7-1500, Digital input module, DI 16x24 V DC BA, 16 channels in groups of 16, Input delay typ. 3.2 ms, Input type 3 (IEC 61131) incl. push-...

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  • 6ES7521-1BH00-0AB0 Siemens
    $288.72 - $357.36
    $288.72 - $357.36
    $288.72 - $357.36
    $288.72

    6ES7521-1BH00-0AB0 Siemens

    SIMATIC S7-1500, digital input module DI 16xDC 24V HF, 16 channels in groups of 16; input delay 0.05..20 ms; Input type 3 (IEC 61131); Diagnostics,...

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  • 6ES7522-1BH10-0AA0 Siemens
    $300.00 - $624.98
    $300.00 - $624.98
    $300.00 - $624.98
    $300.00

    6ES7522-1BH10-0AA0 Siemens

    SIMATIC S7-1500, Digital output module, DQ16x24 V DC/0.5A BA, 16 channels in groups of 8, 4 A per group incl. push-in front connector

  • 6ES5252-3AA13 Siemens
    $875.00 - $5,998.50
    $875.00 - $5,998.50
    $875.00 - $5,998.50
    $875.00

    6ES5252-3AA13 Siemens

    SIMATIC S5 IP 252 CLOSED-LOOP CONTROL MODULE

  • 6ES5511-5AA14 Siemens
    $547.50 - $1,409.00
    $547.50 - $1,409.00
    $547.50 - $1,409.00
    $547.50

    6ES5511-5AA14 Siemens

    SIMATIC S5,PG 511 INTERFACE MODULE F.PG 670/675 TO CC 130W/150 F.PG 605U/670/675 TO CC 110S

  • 6ES5241-1AA12 Siemens
    $2,860.20 - $3,150.00
    $2,860.20 - $3,150.00
    $2,860.20 - $3,150.00
    $2,860.20

    6ES5241-1AA12 Siemens

    SIMATIC S5 IP 241 DIGITAL POSITION DECODER BASIC MODULE, 2 CHANNELS COMPACT VERSION

  • 6ES5246-4UA31 Siemens
    $2,120.33 - $2,411.68
    $2,120.33 - $2,411.68
    $2,120.33 - $2,411.68
    $2,120.33

    6ES5246-4UA31 Siemens

    SIMATIC S5 IP 246 I POSITIONING MODULE F. DC DRIVES INCREMENTAL,

  • 6ES5247-4UA31 Siemens
    $2,540.00 - $2,879.98
    $2,540.00 - $2,879.98
    $2,540.00 - $2,879.98
    $2,540.00

    6ES5247-4UA31 Siemens

    6ES5 247-4UA31 IP247 Stepper Motor Positioning Module

  • 6ES5244-3AB31 Siemens
    $2,398.00 - $21,253.56
    $2,398.00 - $21,253.56
    $2,398.00 - $21,253.56
    $2,398.00

    6ES5244-3AB31 Siemens

    SIMATIC S5, IP 244B TEMPERATURE-CONTROL MODULE FOR S5-115U/135U/155U M. SELF-ADJ POSITION AND ANALOG INPUTS WITH HIGH INTERFERENCE SUPPRESSION

  • 6ES5340-3KB42 Siemens
    $494.97 - $2,531.26
    $494.97 - $2,531.26
    $494.97 - $2,531.26
    $494.97

    6ES5340-3KB42 Siemens

    SIMATIC S5 340 MEMORY MODULE COMPACT VERSION RAM, 64K BYTES