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 $0.00 - Original price $1,497.50Original price$1,497.50$0.00 - $1,497.50Current price $1,497.506ES7326-2BF41-0AB0 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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Original price $634.98 - Original price $3,502.80Original price$634.98 - $3,502.80$634.98 - $3,502.80Current price $634.986ES7350-2AH00-0AE0 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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Original price $499.54 - Original price $2,750.00Original price$499.54 - $2,750.00$499.54 - $2,750.00Current price $499.546ES7331-7PF01-0AB0 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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Original price $2,037.62 - Original price $2,571.80Original price$2,037.62 - $2,571.80$2,037.62 - $2,571.80Current price $2,037.626ES7351-1AH01-0AE0 Siemens
SIMATIC S7-300, FM 351 POSITIONING MODULE FOR RAPID/ CREEP FEED DRIVE INCL. CONFIG. PACKAGE ON CD
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Original price $549.97 - Original price $2,113.25Original price$549.97 - $2,113.25$549.97 - $2,113.25Current price $549.976ES7332-5RD00-0AB0 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
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Original price $974.48 - Original price $2,174.62Original price$2,174.62$974.48 - $2,174.62Current price $2,174.626ES7322-1FL00-0AA0 Siemens
Simatic S7-300, Digital Output SM322, Optically ISOLATED, 32 DO, AC 120V/230V, 1A, DOUBLE WIDTH HOUSING, 2 X 20 PIN
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Original price $549.97 - Original price $2,750.00Original price$549.97 - $2,750.00$549.97 - $2,750.00Current price $549.976ES7331-7HF01-0AB0 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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Original price $495.00 - Original price $997.50Original price$495.00 - $997.50$495.00 - $997.50Current price $495.006ES7153-2BA01-0XB0 Siemens
SIMATIC DP, ET 200M INTERFACE IM 153-2 HIGH FEATURE FOR MAX. 8 S7-300 MODULES, WITH REDUNDANCY, TIME STAMPING FIT FOR ISOCHRONE MODE
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Original price $300.00 - Original price $374.88Original price$374.88$300.00 - $374.88Current price $374.886ES7331-7KF01-0AB0 Siemens
SIMATIC S7-300, ANALOG INPUT SM 331, OPTICALLY ISOLATED, U/I/THERMOCOUPLE/RESISTANCE INTERRUPT, DIAGNOSTICS; RESOLUTION 9/12/14 BITS, 8AI, REMOVE/I...
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Original price $1,230.00 - Original price $2,847.74Original price$1,230.00 - $2,847.74$1,230.00 - $2,847.74Current price $1,230.006ES7153-2BA82-0XB0 Siemens
Simatic DP, Interface DP/PA-LINK A. ET200M IM153-2 HF FOR EXPANDED TEMPERATURE RANGE FOR MAX. 12 S7-300 Modules, with REDUNDANCY, TIME STAMPING FIT...
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Original price $0.00 - Original price $612.50Original price$612.50$0.00 - $612.50Current price $612.507MH4138-6AA00-0BA0 Siemens
SIWAREX WP321 WEIGHING ELECTRONIC (1 CHANNEL) FOR STRAIN GAUGE LOAD CELLS / FULL BRIDGES (1-4 mV/V) FOR SIMATIC ET200SP, FITS to BU-TYPE A0, RS485-...
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Original price $313.50 - Original price $875.00Original price$313.50 - $875.00$313.50 - $875.00Current price $313.506ES7153-2AA02-0XB0 Siemens
SIMATIC DP, ET 200M INTERFACE FOR MAX. 8 S7-300 MODULES, WITH REDUNDANCY, TIME STAMPING
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Original price $822.50 - Original price $1,689.50Original price$1,689.50$822.50 - $1,689.50Current price $1,689.506ES7326-1RF00-0AB0 Siemens
SIMATIC S7, Digital input SM 326, 8 DI; 24 V DC, NAMUR, fail-safe NAMUR input for SIMATIC S7F systems, up to Category 4 (EN 954-1)/ SIL3 (IEC61508)...
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Original price $1,117.83 - Original price $2,234.78Original price$2,234.78$1,117.83 - $2,234.78Current price $2,234.786ES7322-5GH00-0AB0 Siemens
SIMATIC S7-300, DIGITAL OUTPUT SM 322, OPTICALLY ISOLATED, 16 DA (SOLID STATE RELAY), AC/DC 24 - 48V; 0.5A; 1.5A SURGE CURRENT, ONE CHANNEL PER COM...
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Original price $330.00 - Original price $385.00Original price$330.00 - $385.00$330.00 - $385.00Current price $330.006ES7321-1EH01-0AA0 Siemens
SIMATIC S7-300 6ES7321-1EH01-0AA0, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, 16 DI, 120V AC, 20 PIN
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Original price $382.25 - Original price $2,025.42Original price$382.25 - $2,025.42$382.25 - $2,025.42Current price $382.256ES7153-2BA02-0XB0 Siemens
SIMATIC DP, ET 200M INTERFACE IM 153-2 HIGH FEATURE FOR MAX. 12 S7-300 MODULES, WITH REDUNDANCY, TIME STAMPING FIT FOR ISOCHRONE MODE NEW FEATURES:...
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Original price $300.00 - Original price $997.53Original price$300.00 - $997.53$300.00 - $997.53Current price $300.006ES7153-2BA00-0XB0 Siemens
SIMATIC DP, ET 200M INTERFACE IM 153-2 HIGH FEATURE FOR MAX. 8 S7-300 MODULES, WITH REDUNDANCY, TIME STAMPING FIT FOR ISOCHRONE MODE
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Original price $357.47 - Original price $2,758.00Original price$357.47 - $2,758.00$357.47 - $2,758.00Current price $357.476ES7321-1EL00-0AA0 Siemens
Simatic S7-300, Digital Input SM321, Optically ISOLATED, 32 DI, 120V AC, 1 X 40 PIN
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Original price $300.00 - Original price $2,387.00Original price$300.00 - $2,387.00$300.00 - $2,387.00Current price $300.006ES7331-1KF02-0AB0 Siemens
Simatic S7-300, ANALOG Input SM331, Optically ISOLATED, 8 AI, 13 BIT RESOLUTION, U/I/RESISTANCE/PT100, NI100, NI1000, LG-NI1000, PTC / KTY, 66 MS M...
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Original price $487.85 - Original price $2,224.60Original price$487.85 - $2,224.60$487.85 - $2,224.60Current price $487.856ES7153-2BA10-0XB0 Siemens
Simatic DP, ET 200M Interface IM 153-2 High Feature FOR MAX. 12 S7-300 Modules, with REDUNDANCY, TIME STAMPING FIT FOR ISOCHRONE MODE NEW FEATURES:...
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Original price $442.75 - Original price $1,805.08Original price$442.75 - $1,805.08$442.75 - $1,805.08Current price $442.756ES7350-1AH01-0AE0 Siemens
SIMATIC S7/M7, COUNTER MODULE FM 350-1 FOR S7-300 AND M7-300, COUNTER FUNCTIONS UP TO 500 KHZ 1 CHANNEL FOR CONNECTION OF 5V AND 24V INCREMENTAL EN...
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Original price $311.85 - Original price $1,399.98Original price$311.85 - $1,399.98$311.85 - $1,399.98Current price $311.856ES7350-1AH03-0AE0 Siemens
SIMATIC S7-300, Counter module FM 350-1 for S7-300, Counter functions up to 500 kHz 1 channel for connection of 5 V and 24 V incremental encoders I...
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Original price $316.25 - Original price $2,222.00Original price$316.25 - $2,222.00$316.25 - $2,222.00Current price $316.256ES7323-1BL00-0AA0 Siemens
Simatic S7-300, Digital Module SM323, Optically ISOLATED, 16 DI and 16 DO, 24V DC, 0.5A, AGGREGATE CURRENT 4A, Front CONNECTOR 1X40 PIN REQUIRED
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Original price $332.75 - Original price $2,435.30Original price$332.75 - $2,435.30$332.75 - $2,435.30Current price $332.756ES7334-0CE01-0AA0 Siemens
SIMATIC S7-300, Analog module SM 334, Non-isolated 4 AI/2 AO, 1x 20-pole, Removing and inserting possible with active backplane bus
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Original price $0.00 - Original price $572.50Original price$572.50$0.00 - $572.50Current price $572.506ES7332-5TB00-0AB0 Siemens
SIMATIC DP, HART analog output, SM 332, 2 AO, 0/4 - 20 mA HART, to HART rev. 5.0, for ET200M with IM 153-2, 1 x 20-pole
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Original price $0.00 - Original price $437.25Original price$437.25$0.00 - $437.25Current price $437.256ES7153-1AA02-0XB0 Siemens
SIMATIC DP, INTERFACE IM 153-1, FOR ET 200M, FOR MAX. 8 S7-300 MODULES
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Original price $330.00 - Original price $1,522.50Original price$330.00 - $1,522.50$330.00 - $1,522.50Current price $330.006ES7322-1FH00-0AA0 Siemens
SIMATIC S7-300, DIGITAL OUTPUT SM 322, OPTICALLY ISOLATED 16 DO, 120/230V AC, 1 A, 1 X 20 PIN
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Original price $516.93 - Original price $1,125.00Original price$516.93 - $1,125.00$516.93 - $1,125.00Current price $516.936ES7332-5HD01-0AB0 Siemens
SIMATIC S7-300, Analog output SM 332, isolated, 4 AI, U/I; diagnostics; resolution 11/12 bits, 20-pole, removing and inserting possible with active...
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Original price $412.50 - Original price $1,862.50Original price$412.50 - $1,862.50$412.50 - $1,862.50Current price $412.506ES7353-1AH01-0AE0 Siemens
SIMATIC S7-300, FUNCTION MODULE FM 353, FOR POSITIONING WITH STEPPER MOTOR, MODULE EXCHANGE WITHOUT PG, PREQUISITE STEP7 V3.1 INCLUDING CONFIGURATI...
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Original price $300.00 - Original price $398.75Original price$300.00 - $398.75$300.00 - $398.75Current price $300.006ES7322-1BL00-0AA0 Siemens
Simatic S7-300, Digital Output SM322, Optically ISOLATED, 32DO, 24V DC, 0.5A, 1 X 40 PIN, SUM OF OUTPUT CURRENTS 4A/GROUP (16A/MODULE)
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Original price $0.00 - Original price $972.50Original price$972.50$0.00 - $972.50Current price $972.506ES7321-1CH20-0AA0 Siemens
Simatic S7-300, Digital Input SM321, Optically ISOLATED, 16 DI, DC 48-125V, 1 X 20 PIN
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Original price $330.00 - Original price $2,230.80Original price$330.00 - $2,230.80$330.00 - $2,230.80Current price $330.006ES7321-7BH01-0AB0 Siemens
SIMATIC S7-300, DIGITAL INPUT SM 321, GALVANICALLY ISOLATED, 16 DI, DC 24V, 1 X 20 PIN, PROCESS INTERRUPT, DIAGNOSTICS, FIT FOR ISOCHRONE MODE
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Original price $316.25 - Original price $1,010.00Original price$316.25 - $1,010.00$316.25 - $1,010.00Current price $316.256ES7153-1AA03-0XB0 Siemens
Simatic DP, Interface IM 153-1, FOR ET 200M, FOR MAX. 8 S7-300 Modules
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Original price $280.17 - Original price $705.65Original price$280.17 - $705.65$280.17 - $705.65Current price $280.176ES7323-1BH01-0AA0 Siemens
SIMATIC S7-300, DIGITAL MODULE SM 323, OPTICALLY ISOLATED, 8 DI AND 8 DO, 24V DC, 0.5A AGGREGATE CURRENT 2A, 1X20 PIN
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Original price $357.50 - Original price $382.25Original price$382.25$357.50 - $382.25Current price $382.256ES7321-1FH00-0AA0 Siemens
SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED 16 DI, 120/230V AC, 1 X 20 PIN
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Original price $288.75 - Original price $343.75Original price$288.75 - $343.75$288.75 - $343.75Current price $288.756ES7322-1BH01-0AA0 Siemens
SIMATIC S7-300, DIGITAL OUTPUT SM 322, OPTICALLY ISOLATED, 16 DO, 24V DC, 0.5A, 1 X 20 PIN SUM OF OUTPUT CURRENTS 4A/GROUP (8A/MODULE)
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Original price $280.50 - Original price $343.75Original price$280.50 - $343.75$280.50 - $343.75Current price $280.506ES7322-1HF10-0AA0 Siemens
SIMATIC S7-300, Digital output SM 322, isolated, 8 DO (relay), 1x 40-pole, 24 V DC, 5 A or 230 V AC, 5 A, connectors with spring-loaded terminal ca...
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Original price $292.19 - Original price $1,240.10Original price$292.19 - $1,240.10$292.19 - $1,240.10Current price $292.196ES7331-7KB02-0AB0 Siemens
SIMATIC S7-300, Analog input SM 331, isolated, 2 AI, Resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-pole, Removing/i...
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Original price $357.50 - Original price $1,187.50Original price$357.50 - $1,187.50$357.50 - $1,187.50Current price $357.506ES7360-3AA01-0AA0 Siemens
SIMATIC S7-300,INTERFACE MODULE IM 360 IN CENTRAL RACK, FOR CONNECTING MAX. 3 EXPANSION RACKS, WITH K-BUS
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Original price $343.75 - Original price $960.10Original price$343.75 - $960.10$343.75 - $960.10Current price $343.756ES7322-1BF01-0AA0 Siemens
SIMATIC S7-300, DIGITAL OUTPUT SM 322, OPTICALLY ISOLATED, 8 DO, 24V DC, 2A, 1 X 20 PIN
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Original price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.006ES7321-1BH02-0AA0 Siemens
Simatic S7-300, Digital Input SM321, Optically ISOLATED, 16DI, 24 V DC, 1 X 20 PIN
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Original price $288.75 - Original price $767.50Original price$288.75 - $767.50$288.75 - $767.50Current price $288.756ES7321-1BH50-0AA0 Siemens
Simatic S7-300, Digital Input SM321, Optically Isolated 16DI, 24 V DC, SOURCE INPUT, 1 X 20 PIN
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Original price $347.46 - Original price $505.00Original price$347.46 - $505.00$347.46 - $505.00Current price $347.466ES7365-0BA01-0AA0 Siemens
SIMATIC S7-300, Connection IM 365 for connection of an extension rack without C bus, 2 modules+ connecting cable 1 m
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Original price $1,124.98 - Original price $3,850.00Original price$1,124.98 - $3,850.00$1,124.98 - $3,850.00Current price $1,124.986DD1607-0AA0 Siemens
SIMATIC S7-400, FM 458 APPLICATION MODULE FOR SIMATIC S7-400
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Original price $2,420.00 - Original price $2,673.00Original price$2,673.00$2,420.00 - $2,673.00Current price $2,673.006ES7453-3AH00-0AE0 Siemens
SIMATIC S7-400, function module FM 453, (3-channel) for positioning with servo and stepper motors, incl. configuration package on CD
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Original price $547.50 - Original price $6,898.50Original price$547.50 - $6,898.50$547.50 - $6,898.50Current price $547.506ES7431-7QH00-0AB0 Siemens
SIMATIC S7-400, analog input SM 431, isolated 16 AI; resolution 16 bit, U/I/Resistor/Thermocouple/Pt100 , alarm, diagnostics
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Original price $522.50 - Original price $1,874.98Original price$522.50 - $1,874.98$522.50 - $1,874.98Current price $522.506ES7441-2AA04-0AE0 Siemens
SIMATIC S7-400, COUPLING MODULE CP 441-2 FOR POINT-TO-POINT- CONNECTIONS, 2 CHANNELS INCL. CONFIGURATION PACKAGE ON CD
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Original price $467.47 - Original price $4,943.60Original price$467.47 - $4,943.60$467.47 - $4,943.60Current price $467.476ES7432-1HF00-0AB0 Siemens
Simatic S7-400, SM432 ANALOG OUTPUT Module OPTIC. ISOLATED, 8 AO, 13 BIT RESOLUTION, U/I
