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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.
  • 6ES7223-1BF00-0XA0 Siemens
    $541.75 - $1,100.00
    $541.75 - $1,100.00
    $541.75 - $1,100.00
    $541.75

    6ES7223-1BF00-0XA0 Siemens

    SIMATIC S7-200, DIGITAL I/O EM 223, OPTICALLY ISOLATED 4 DI / 4 DO, 24 V DC FOR S7-21X CPU ONLY

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

    6ES7221-1BH22-0XA0 Siemens

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

  • 6ES7222-1BD22-0XA0 Siemens
    $420.20 - $2,628.00
    $420.20 - $2,628.00
    $420.20 - $2,628.00
    $420.20

    6ES7222-1BD22-0XA0 Siemens

    SIMATIC S7-200, DIGITAL OUTPUT EM 222, FOR S7-22X CPU ONLY, 4DO, 4-24V DC; 5 A/POINT SOURCE

  • 6ES7222-1HF22-0XA0 Siemens
    $872.50 - $1,430.00
    $872.50 - $1,430.00
    $872.50 - $1,430.00
    $872.50

    6ES7222-1HF22-0XA0 Siemens

    SIMATIC S7-200, DIGITAL OUTPUT EM 222, FOR S7-22X CPU ONLY, 8DO, (RELAY OUTPUTS) 2A

  • 6ES7222-1HD22-0XA0 Siemens
    $519.75 - $622.50
    $519.75 - $622.50
    $519.75 - $622.50
    $519.75

    6ES7222-1HD22-0XA0 Siemens

    SIMATIC S7-200, DIGITAL OUTPUT EM 222, FOR S7-22X CPU ONLY, 4DO (RELAY); 10 A, 5 - 30V DCOR 5 - 250V AC

  • 6ES7223-1BL21-0XA0 Siemens
    $0.00 - $745.00
    $745.00
    $0.00 - $745.00
    $745.00

    6ES7223-1BL21-0XA0 Siemens

    SIMATIC S7-200, DIGITAL I/O EM 223, FOR S7-22X CPU ONLY, 16 DI 24 V DC, SINK/SOURCE, 16DO 24V DC, 0.75A/POINT,SOURCE

  • 6ES7223-1BF22-0XA0 Siemens
    $440.00 - $1,363.03
    $440.00 - $1,363.03
    $440.00 - $1,363.03
    $440.00

    6ES7223-1BF22-0XA0 Siemens

    SIMATIC S7-200, Digital I/O EM 223, only for S7-22X CPU, 4 DI/4 DO, 24 V DC

  • 6ES7223-1HF22-0XA0 Siemens
    $1,314.03 - $1,460.03
    $1,314.03 - $1,460.03
    $1,314.03 - $1,460.03
    $1,314.03

    6ES7223-1HF22-0XA0 Siemens

    SIMATIC S7-200, DIGITAL I/O EM 223, FOR S7-22X CPU ONLY, 4 DI / 4 DO RELAY, 5-30 V DC, 250 V AC

  • 6ES7221-1BF22-0XA0 Siemens
    $318.97 - $533.50
    $318.97 - $533.50
    $318.97 - $533.50
    $318.97

    6ES7221-1BF22-0XA0 Siemens

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

  • 6ES7274-1XF00-0XA0 Siemens
    $0.00 - $348.10
    $0.00 - $348.10
    $0.00 - $348.10
    $348.10

    6ES7274-1XF00-0XA0 Siemens

    SIMATIC S7-200, Simulator module SIM274, 8 input switches, DC inputs, for CPU and EM

  • 7MH4553-1AA41 Siemens
    $0.00 - $9,750.00
    $0.00 - $9,750.00
    $0.00 - $9,750.00
    $9,750.00

    7MH4553-1AA41 Siemens

    SIWAREX M WEIGHING AND BATCHING SYSTEM WITH VERIFICATION CAPABILITY, USABLE FOR SIMATIC S7-300 AND ET 200M, INCL.BUS CONNECTOR EC-CONFOMITY CERTIFI...

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  • 6ES7357-4AH01-0AE0 Siemens
    $3,564.00 - $6,540.00
    $3,564.00 - $6,540.00
    $3,564.00 - $6,540.00
    $3,564.00

    6ES7357-4AH01-0AE0 Siemens

    SIMATIC S7-300, FUNCTION MODULE FM 357-2 (M80486 CPU) FOR POSITIONING AND PATH CONTROL OF STEPPER AND SERVO MOTORS (4 MEASURING CIRCUITS)

  • 7MH4900-3AA01 Siemens
    $0.00 - $2,259.40
    $2,259.40
    $0.00 - $2,259.40
    $2,259.40

    7MH4900-3AA01 Siemens

    SIWAREX FTC WEIGHING ELECTRONIC FOR FORCE MEASUREMENT, BELT SCALE, LOSS-IN-WEIGHT SCALE AND FLOW RATE METER. WITHOUT VERIFICATION CAPABILITY USABLE...

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  • 7MH4900-2AA01 Siemens
    $0.00 - $4,392.80
    $4,392.80
    $0.00 - $4,392.80
    $4,392.80

    7MH4900-2AA01 Siemens

    FOR AUTOMATIC and NON AUTOMATIC. WEIGHING APPLICATIONS. USABLE FOR S7-300 and ET200M. EC-CERTIFICATE OF CONFORMITY 3 X 6000D.APPLICATIONS: .RAPID D...

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  • 6ES7331-1KF00-0AB0 Siemens
    $0.00 - $622.50
    $622.50
    $0.00 - $622.50
    $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
    $0.00 - $1,025.00
    $1,025.00
    $0.00 - $1,025.00
    $1,025.00

    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

  • 6ES7352-5AH11-0AE0 Siemens
    $0.00 - $6,082.50
    $6,082.50
    $0.00 - $6,082.50
    $6,082.50

    6ES7352-5AH11-0AE0 Siemens

    SIMATIC S7-300, FM352-5 with PNP output, High Speed Boolean Processor, for high-speed linking, 12 DI, 8 DO, 1 encoder interface for RS422 incr./SSI...

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  • 6ES7332-8TF01-0AB0 Siemens
    $0.00 - $5,046.00
    $0.00 - $5,046.00
    $0.00 - $5,046.00
    $5,046.00

    6ES7332-8TF01-0AB0 Siemens

    SIMATIC DP, HART analog output, SM 332, 8 AO, 0/4 - 20 mA HART, for ET200M with IM153-2, IM 153-2, 20-pole Functions: FW update, HART auxiliary var...

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  • 6ES7153-2BB00-0XB0 Siemens
    $1,863.10 - $3,195.00
    $1,863.10 - $3,195.00
    $1,863.10 - $3,195.00
    $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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  • 6ES7355-0VH10-0AE0 Siemens
    $2,180.50 - $5,749.65
    $2,180.50 - $5,749.65
    $2,180.50 - $5,749.65
    $2,180.50

    6ES7355-0VH10-0AE0 Siemens

    SIMATIC S7-300, Control Unit FM 355 C, 4 channels, continuous, 4 AI+8 DI+4 AO incl. multi-language configuration package, Manual and Getting Starte...

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  • 6ES7352-5AH00-0AE0 Siemens
    $1,897.01 - $2,276.39
    $1,897.01 - $2,276.39
    $1,897.01 - $2,276.39
    $1,897.01

    6ES7352-5AH00-0AE0 Siemens

    SIMATIC S7-300, FM352-5 HIGH SPEED BOOLEAN PROCESSOR, FOR HIGH-SPEED LOGIC OPERATION 12 DI, 8 DO, 1 ENCODER INTERF. FOR RS422 INCR./SSI ENCODER

  • 6AG1331-7KF02-2AB0 Siemens
    $385.69 - $2,876.47
    $385.69 - $2,876.47
    $385.69 - $2,876.47
    $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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  • 6ES7355-2CH00-0AE0 Siemens
    $0.00 - $3,185.06
    $3,185.06
    $0.00 - $3,185.06
    $3,185.06

    6ES7355-2CH00-0AE0 Siemens

    SIMATIC S7-300, temperature Control Unit FM 355-2 C, 4 channels, continuous, 4 AI+8 DI+4 AO incl. multi-language configuration package, Manual and ...

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  • 6ES7352-5AH01-0AE0 Siemens
    $0.00 - $1,196.35
    $1,196.35
    $0.00 - $1,196.35
    $1,196.35

    6ES7352-5AH01-0AE0 Siemens

    SIMATIC S7-300, FM352-5 with NPN output, High Speed Boolean Processor, for high-speed linking, 12 DI, 8 DO, 1 encoder interface for RS422 incr./SSI...

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  • 6ES7335-7HG01-0AB0 Siemens
    $0.00 - $699.98
    $699.98
    $0.00 - $699.98
    $699.98

    6ES7335-7HG01-0AB0 Siemens

    SIMATIC S7-300, ANALOG MODULE SM 335, OPTICALLY ISOLATED U/I; DIAGNOSTICS; INTERRUPT, 4 AI 14 BIT RESOL., 4 AO 11/12 BIT

  • 6ES7331-7TF01-0AB0 Siemens
    $0.00 - $2,387.00
    $2,387.00
    $0.00 - $2,387.00
    $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
    $2,400.20 - $2,577.42
    $2,577.42
    $2,400.20 - $2,577.42
    $2,577.42

    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
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $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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  • 6ES7322-1EL00-0AA0 Siemens
    $0.00 - $2,205.00
    $2,205.00
    $0.00 - $2,205.00
    $2,205.00

    6ES7322-1EL00-0AA0 Siemens

    SIMATIC S7-300, DIGITAL OUTPUT SM 322, OPTICALLY ISOLATED, 32 DO, 120V AC, 1A, DOUBLE- WIDTH HOUSING, 2 X 20 PIN

  • 6ES7326-1RF01-0AB0 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6ES7326-1RF01-0AB0 Siemens

    SIMATIC S7, Digital input SM 326, 8 DI; 24 V DC, NAMUR, fail-safe NAMUR input for SIMATIC S7 F-systems, up to Category 4 (EN 954-1)/ SIL3 (IEC61508...

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  • 6ES7350-2AH01-0AE0 Siemens
    $354.75 - $4,681.50
    $354.75 - $4,681.50
    $354.75 - $4,681.50
    $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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  • 6ES7331-7TF00-0AB0 Siemens
    $0.00 - $1,475.00
    $1,475.00
    $0.00 - $1,475.00
    $1,475.00

    6ES7331-7TF00-0AB0 Siemens

    SIMATIC DP, HART analog input SM 331, 8 AI, 0/4 - 20 mA HART, for ET200M with interface IM 153-2, 20-pole

  • 6ES7355-1VH10-0AE0 Siemens
    $0.00 - $2,407.08
    $2,407.08
    $0.00 - $2,407.08
    $2,407.08

    6ES7355-1VH10-0AE0 Siemens

    SIMATIC S7-300, Control Unit FM 355 S, 4 channels, Step and pulse, 4 AI+8 DI+8 DO incl. multi-language configuration package, Manual and Getting St...

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  • 6ES7336-4GE00-0AB0 Siemens
    $0.00 - $2,586.00
    $2,586.00
    $0.00 - $2,586.00
    $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
    $720.83 - $2,450.00
    $720.83 - $2,450.00
    $720.83 - $2,450.00
    $720.83

    6ES7352-1AH01-0AE0 Siemens

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

  • 6ES7326-2BF10-0AB0 Siemens
    $1,649.98 - $2,409.00
    $1,649.98 - $2,409.00
    $1,649.98 - $2,409.00
    $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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  • 6ES7326-2BF41-0AB0 Siemens
    $0.00 - $1,497.50
    $1,497.50
    $0.00 - $1,497.50
    $1,497.50

    6ES7326-2BF41-0AB0 Siemens

    SIMATIC S7, Digital output SM 326, F-DO 8x24 V DC/2A PM fail-safe digital output Switching to P-M potential up to Category 4 (EN 954-1)/ SIL3 (IEC6...

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  • 6ES7335-7HG02-0AB0 Siemens
    $3,181.46 - $3,916.83
    $3,181.46 - $3,916.83
    $3,181.46 - $3,916.83
    $3,181.46

    6ES7335-7HG02-0AB0 Siemens

    SIMATIC S7-300, ANALOG MODULE SM 335, OPTICALLY ISOLATED U/I; DIAGNOSTICS; INTERRUPT, 4 AI 14 BIT RESOL., 4 AO 11/12 BIT 1 X 20-PINS

  • 6ES7350-2AH00-0AE0 Siemens
    $634.98 - $3,502.80
    $634.98 - $3,502.80
    $634.98 - $3,502.80
    $634.98

    6ES7350-2AH00-0AE0 Siemens

    SIMATIC S7-300, COUNTER MODULE FM 350-2, 8 CHANNELS, 20 KHZ, 24V ENCODER FOR COUNTING, MEASURING FREQUENCIES, SPEED MEASUREMENT, PERIOD DURATION ME...

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  • 6ES7331-7PF10-0AB0 Siemens
    $1,000.00 - $4,909.60
    $1,000.00 - $4,909.60
    $1,000.00 - $4,909.60
    $1,000.00

    6ES7331-7PF10-0AB0 Siemens

    SIMATIC S7-300, ANALOG INPUT SM 331, OPTICALLY ISOLATATED, 8 AI THERMOCOUPLE, TYPE B, E, J, K, L, N, R, S, T 16 BIT, 50 MS, 40 PIN

  • 6ES7351-1AH02-0AE0 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6ES7351-1AH02-0AE0 Siemens

    SIMATIC S7-300, positioning module FM 351 for rapid/slow traverse Drives incl. configuration package on CD

  • 6ES7331-7PF01-0AB0 Siemens
    $499.54 - $2,750.00
    $499.54 - $2,750.00
    $499.54 - $2,750.00
    $499.54

    6ES7331-7PF01-0AB0 Siemens

    Simatic S7-300, ANALOG Input SM331, OPT. ISOL.,2/3/4 WIRE, 8AI, RESISTANCE, PT100/200/1000 NI100/120/200/500/1000, CU10, PLUS CHARACTERISTICS ACCOR...

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  • 6ES7351-1AH01-0AE0 Siemens
    $2,037.62 - $2,571.80
    $2,037.62 - $2,571.80
    $2,037.62 - $2,571.80
    $2,037.62

    6ES7351-1AH01-0AE0 Siemens

    SIMATIC S7-300, FM 351 POSITIONING MODULE FOR RAPID/ CREEP FEED DRIVE INCL. CONFIG. PACKAGE ON CD

  • 6ES7332-5RD00-0AB0 Siemens
    $549.97 - $2,432.70
    $549.97 - $2,432.70
    $549.97 - $2,432.70
    $549.97

    6ES7332-5RD00-0AB0 Siemens

    SIMATIC S7, analog output SM 332, isolated, 4 AA; 0/4 to 20 mA, 20-pole, for signals from the hazardous area, diagnostics-capable, PTB tested

  • 6ES7331-7PF00-0AB0 Siemens
    $0.00 - $2,285.80
    $2,285.80
    $0.00 - $2,285.80
    $2,285.80

    6ES7331-7PF00-0AB0 Siemens

    SIMATIC S7-300, ANALOG INPUT SM 331, OPT. ISOL.,2/3/4 WIRE, 8AI, RESISTANCE, PT100/200/1000 NI100/120/200/500/1000, CU10, 16 (INTERN 24) BIT, 50MS,...

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  • 6ES7322-1FL00-0AA0 Siemens
    $1,112.48 - $1,150.00
    $1,150.00
    $1,112.48 - $1,150.00
    $1,150.00

    6ES7322-1FL00-0AA0 Siemens

    Simatic S7-300, Digital Output SM322, Optically ISOLATED, 32 DO, AC 120V/230V, 1A, DOUBLE WIDTH HOUSING, 2 X 20 PIN

  • 6ES7331-7HF01-0AB0 Siemens
    $549.97 - $2,750.00
    $549.97 - $2,750.00
    $549.97 - $2,750.00
    $549.97

    6ES7331-7HF01-0AB0 Siemens

    SIMATIC S7-300, Analog input SM 331, isolated, 8 AI, resolution 14 bit, 0.052 ms/channel current, Voltage alarm, diagnostics, 1x 20-pole, suitable ...

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  • 6ES7332-7ND02-0AB0 Siemens
    $1,317.85 - $3,310.20
    $1,317.85 - $3,310.20
    $1,317.85 - $3,310.20
    $1,317.85

    6ES7332-7ND02-0AB0 Siemens

    SIMATIC S7-300, Analog output SM 332, isolated by channel, 4 AI, Resolution 16 bit, 0-10 V, 1-5 V, +/-10 V, +/-20 mA, 0/4-20mA, 20-pole, suitable f...

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