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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Original price $622.50 - Original price $897.50Original price$897.50$622.50 - $897.50Current price $897.506ES7461-0AA01-0AA0 Siemens
SIMATIC S7-400 IM 461-0 Receive Interface Module for Central Rack Expansion up to 5m, transmission of P and C bus, plugs into Expansion Rack, can b...
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Original price $3,535.00 - Original price $3,568.14Original price$3,568.14$3,535.00 - $3,568.14Current price $3,568.146ES7421-1FH00-0AA0 Siemens
SIMATIC S7-400, SM 421 DIGITAL INPUT MODULE, OPTIC. ISOLATED, 16 DI, 120/230V AC
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Original price $795.55 - Original price $1,396.28Original price$795.55 - $1,396.28$795.55 - $1,396.28Current price $795.556ES7460-1BA00-0AB0 Siemens
SIMATIC S7-400, IM460-1 TRANSMITTER INTERFACE MODULE, FOR CENTRALIZED CONNECTION WITH PS TRANSMISSION W/O K BUS
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Original price $0.00 - Original price $1,408.73Original price$1,408.73$0.00 - $1,408.73Current price $1,408.736ES7460-0AA00-0AB0 Siemens
SIMATIC S7-400, IM460-0 TRANSMITTER INTERFACE MODULE, FOR CENTRALIZED CONNECTION W/O PS TRANSMISSION WITH K BUS
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Original price $625.00 - Original price $862.50Original price$862.50$625.00 - $862.50Current price $862.506ES7461-0AA00-0AA0 Siemens
SIMATIC S7-400, IM461-0 RECEIVER INTERFACE MODULE, FOR CENTRALIZED CONNECTION W/O PS TRANSMISSION, WITH K BUS
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Original price $0.00 - Original price $947.50Original price$947.50$0.00 - $947.50Current price $947.506ES7421-7BH00-0AB0 Siemens
SIMATIC S7-400, DIG.INPUT MOD. SM 421, OPTIC. ISOLATED, 16 DI, 24V DC WITH 0,1 MS INPUT DELAY, ALARM, DIAGNOSTICS
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Original price $2,208.77 - Original price $2,327.50Original price$2,208.77 - $2,327.50$2,208.77 - $2,327.50Current price $2,208.776ES7460-0AA01-0AB0 Siemens
Simatic S7-400, IM460-0 TRANSMITTER Interface MODULE, FOR CENTRALIZED CONNECTION W/O PS TRANSMISSION with K BUS
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Original price $547.50 - Original price $951.63Original price$547.50 - $951.63$547.50 - $951.63Current price $547.506ES7461-1BA00-0AA0 Siemens
SIMATIC S7-400, IM461-1 RECEIVER INTERFACE MODULE FOR CENTRALIZED CONNECTION WITH PS TRANSMISSION, W/O K BUS
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Original price $800.00 - Original price $1,972.81Original price$800.00 - $1,972.81$800.00 - $1,972.81Current price $800.006ES7964-2AA04-0AB0 Siemens
SIMATIC S7, IF964-DP INTERFACE MODULE DP MASTER FOR S7-400
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Original price $461.48 - Original price $907.50Original price$907.50$461.48 - $907.50Current price $907.506ES7460-1BA01-0AB0 Siemens
Simatic S7-400, IM460-1 TRANSMITTER Interface MODULE, FOR CENTRALIZED CONNECTION with PS TRANSMISSION W/O K BUS
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Original price $1,252.75 - Original price $2,308.81Original price$1,252.75 - $2,308.81$1,252.75 - $2,308.81Current price $1,252.756ES7421-7DH00-0AB0 Siemens
SIMATIC S7-400, SM 421 DIGITAL INPUT MODULE, OPTIC. ISOLATED, 16 DI, 24 - 60V UC, ALARM, DIAGNOSTICS
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Original price $300.00 - Original price $1,896.30Original price$300.00 - $1,896.30$300.00 - $1,896.30Current price $300.006ES7422-1BH11-0AA0 Siemens
Simatic S7-400, SM422 Digital Output MODULE, OPTIC. ISOLATED, 16 DO, 24V DC, 2A
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Original price $1,109.63 - Original price $1,446.03Original price$1,109.63 - $1,446.03$1,109.63 - $1,446.03Current price $1,109.636ES7422-1BH10-0AA0 Siemens
SIMATIC S7-400, SM 422 DIGITAL OUTPUT MODULE, OPTIC. ISOLATED, 16 DO, 24V DC, 2A
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Original price $1,103.53 - Original price $1,324.23Original price$1,103.53 - $1,324.23$1,103.53 - $1,324.23Current price $1,103.536ES7421-1FH20-0AA0 Siemens
SIMATIC S7-400, DIG.INPUT MOD. SM 421, OPTIC. ISOLATED, 16 DI, 120/230V UC INPUTS PER IEC1131-2 TYPE 2
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Original price $284.90 - Original price $1,045.00Original price$284.90 - $1,045.00$284.90 - $1,045.00Current price $284.906ES7421-1BL00-0AA0 Siemens
SIMATIC S7-400, SM 421 DIGITAL INPUT MODULE, OPTIC. ISOLATED, 32 DI, 24V DC
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Original price $300.00 - Original price $352.00Original price$300.00 - $352.00$300.00 - $352.00Current price $300.006ES7421-1BL01-0AA0 Siemens
SIMATIC S7-400, SM 421 DIGITAL INPUT MODULE, OPTIC. ISOLATED, 32 DI, 24V DC
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Original price $0.00 - Original price $2,709.74Original price$2,709.74$0.00 - $2,709.74Current price $2,709.747MH4960-4AA01 Siemens
SIWAREX WP241 BELT WEIGHER ELECTRONIC (1 Channel) FOR STRAIN GAUGE LOAD CELLS / FULL BRIDGES (1-4 MV/V) FOR Simatic S7-1200, RS485 and ETHERNET- In...
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Original price $0.00 - Original price $705.48Original price$705.48$0.00 - $705.48Current price $705.486ES7223-1PL22-0XA8 Siemens
SIMATIC S7-200 CN, Digital I/O EM 223, only for S7-22X CPU, 16 DI 24 V DC, Sink/Source, 16 DO relay, 2 A/channel this S7-200 CN product only has CE...
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Original price $0.00 - Original price $960.00Original price$0.00 - $960.00$0.00 - $960.00Current price $960.006ES7223-1BH30-0XB0 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
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Original price $967.50 - Original price $2,241.75Original price$967.50 - $2,241.75$967.50 - $2,241.75Current price $967.507MH4960-2AA01 Siemens
SIWAREX WP231 calibratable weighing electronic (1 channel) for strain gauge load cells / full bridges (1-4 mV/V) for SIMATIC S7-1200 or stand alone...
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Original price $0.00 - Original price $675.00Original price$0.00 - $675.00$0.00 - $675.00Current price $675.006ES7232-4HD30-0XB0 Siemens
SIMATIC S7-1200, Analog output, SM 1232, 4 AO, +/-10 V, 14-bit resolution, or 0-20 mA, 13-bit resolution
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Original price $689.68 - Original price $1,847.30Original price$689.68 - $1,847.30$689.68 - $1,847.30Current price $689.686ES7231-5PF32-0XB0 Siemens
SIMATIC S7-1200, Analog input, SM 1231 RTD, 8xAI RTD module
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Original price $611.35 - Original price $812.50Original price$611.35 - $812.50$611.35 - $812.50Current price $611.356ES7223-1PL30-0XB0 Siemens
SIMATIC S7-1200, Digital I/O SM 1223, 16 DI/16 DO, 16 DI 24 V DC, Sink/Source, 16 DO, relay 2 A
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Original price $575.00 - Original price $772.50Original price$772.50$575.00 - $772.50Current price $772.506ES7232-4HD32-0XB0 Siemens
Simatic S7-1200, ANALOG OUTPUT, SM1232, 4 AO, +/-10V, 14 BIT RESOLUTION, OR 0 - 20mA/4 - 20mA, 13 BIT RESOLUTION
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Original price $550.00 - Original price $968.20Original price$968.20$550.00 - $968.20Current price $968.206ES7234-4HE30-0XB0 Siemens
SIMATIC S7-1200, analog I/O SM 1234, 4 AI/2 AO, +/-10 V, 14-bit resolution, or 0-20 mA, 13-bit resolution
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Original price $518.29 - Original price $1,360.10Original price$518.29 - $1,360.10$518.29 - $1,360.10Current price $518.296ES7231-4HF32-0XB0 Siemens
SIMATIC S7-1200, Analog input, SM 1231, 8 AI, +/-10 V, +/-5 V, +/-2.5 V, or 0-20 mA/4-20 mA, 12 bit+sign or (13 bit ADC)
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Original price $0.00 - Original price $997.50Original price$997.50$0.00 - $997.50Current price $997.506ES7231-5ND32-0XB0 Siemens
SIMATIC S7-1200, Analog input, SM 1231, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, +/-1.25 or 0-20 mA/4-20 mA, 15 bit+sign bit
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Original price $0.00 - Original price $645.00Original price$645.00$0.00 - $645.00Current price $645.006ES7222-1BF30-0XB0 Siemens
SIMATIC S7-1200, Digital output SM 1222, 8 DO, 24 V DC, transistor 0.5 A
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Original price $513.98 - Original price $750.00Original price$513.98 - $750.00$513.98 - $750.00Current price $513.986ES7234-4HE32-0XB0 Siemens
SIMATIC S7-1200, analog I/O module SM 1234, 4 AI/2 AO, +/-10 V, 14-bit resolution or 0 (4)-20mA, 13-bit resolution
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Original price $505.73 - Original price $1,285.00Original price$505.73 - $1,285.00$505.73 - $1,285.00Current price $505.736ES7231-5QD32-0XB0 Siemens
SIMATIC S7-1200, Analog input, SM 1231 TC, 4 AI thermocouples
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Original price $0.00 - Original price $1,125.00Original price$0.00 - $1,125.00$0.00 - $1,125.00Current price $1,125.006AG1231-4HD32-4XB0 Siemens
SIPLUS S7-1200 SM231 4AI 12BIT FOR MEDIAL STRESS WITH CONFORMAL COATING BASED ON 6ES7231-4HD32-0XB0 . ANALOG INPUT, 4 AI, +/-10V, +/-5V, +/-2.5V, O...
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Original price $795.00 - Original price $1,875.00Original price$795.00 - $1,875.00$795.00 - $1,875.00Current price $795.006ES7231-5PD32-0XB0 Siemens
SIMATIC S7-1200, ANALOG INPUT, SM 1231 RTD, 4 X AI RTD MODULE
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Original price $0.00 - Original price $1,337.50Original price$1,337.50$0.00 - $1,337.50Current price $1,337.506ES7223-1BL30-0XB0 Siemens
SIMATIC S7-1200, Digital I/O SM 1223, 16 DI/16 DO, 16 DI 24 V DC, Sink/Source, 16 DO, transistor 0.5 A
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Original price $327.25 - Original price $760.08Original price$327.25 - $760.08$327.25 - $760.08Current price $327.256ES7223-1PL32-0XB0 Siemens
SIMATIC S7-1200, DIGITAL I/O SM 1223, 16DI / 16DO, 16DI DC 24 V, SINK/SOURCE, 16DO, RELAY 2A
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Original price $427.08 - Original price $776.50Original price$427.08 - $776.50$427.08 - $776.50Current price $427.086ES7221-1BH30-0XB0 Siemens
SIMATIC S7-1200, Digital input SM 1221, 16 DI, 24 V DC, Sink/Source
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Original price $0.00 - Original price $547.25Original price$547.25$0.00 - $547.25Current price $547.256ES7223-1QH32-0XB0 Siemens
SIMATIC S7-1200, Digital I/O SM 1223, 8 DI AC/8 DO RLY, 8 DI 120/230 V AC, 8 DO relay 2 A
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Original price $419.84 - Original price $1,670.15Original price$419.84 - $1,670.15$419.84 - $1,670.15Current price $419.846ES7232-4HB32-0XB0 Siemens
SIMATIC S7-1200, Analog output, SM 1232, 2 AO, +/-10 V, 14-bit resolution, or 0-20 mA/4-20 mA, 13-bit resolution
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Original price $329.86 - Original price $796.88Original price$329.86 - $796.88$329.86 - $796.88Current price $329.866ES7231-4HD32-0XB0 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)
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Original price $357.47 - Original price $525.00Original price$357.47 - $525.00$357.47 - $525.00Current price $357.476ES7226-6DA32-0XB0 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)
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Original price $461.15 - Original price $495.14Original price$461.15 - $495.14$461.15 - $495.14Current price $461.156ES7226-6BA32-0XB0 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)
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Original price $282.65 - Original price $481.25Original price$282.65 - $481.25$282.65 - $481.25Current price $282.656ES7221-1BH32-0XB0 Siemens
SIMATIC S7-1200, Digital input SM 1221, 16 DI, 24 V DC, Sink/Source
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Original price $300.00 - Original price $660.00Original price$300.00 - $660.00$300.00 - $660.00Current price $300.006ES7223-1BH32-0XB0 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
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Original price $300.00 - Original price $637.50Original price$300.00 - $637.50$300.00 - $637.50Current price $300.006ES7223-1PH32-0XB0 Siemens
SIMATIC S7-1200, DIGITAL I/O SM 1223, 8DI / 8DO, 8DI DC 24 V, SINK/SOURCE, 8DO, RELAY 2A
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Original price $291.50 - Original price $522.50Original price$291.50 - $522.50$291.50 - $522.50Current price $291.506ES7222-1HH32-0XB0 Siemens
SIMATIC S7-1200, Digital output SM 1222, 16 DO, relay 2 A
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Original price $300.00 - Original price $767.50Original price$300.00 - $767.50$300.00 - $767.50Current price $300.006ES7222-1BH32-0XB0 Siemens
SIMATIC S7-1200, Digital output SM 1222, 16 DO, 24 V DC, transistor 0.5 A
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Original price $511.75 - Original price $572.50Original price$511.75 - $572.50$511.75 - $572.50Current price $511.756ES7241-1CH30-0XB0 Siemens
SIMATIC S7-1200, Communication module CM 1241, RS485, 9-pole D-sub (socket), supports Freeport
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Original price $1,570.23 - Original price $1,615.00Original price$1,570.23 - $1,615.00$1,570.23 - $1,615.00Current price $1,570.236ES7221-1BF30-0XB0 Siemens
SIMATIC S7-1200, Digital input SM 1221, 8 DI, 24 V DC, Sink/Source
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Original price $440.00 - Original price $522.31Original price$522.31$440.00 - $522.31Current price $522.316AG1222-1HF32-4XB0 Siemens
SIPLUS S7-1200 SM1222 8DQ RLY FOR MEDIAL STRESS WITH CONFORMAL COATING BASED ON 6ES7222-1HF32-0XB0 . DIGITAL OUTPUT 8 DQ, RELAY 2A
