
| Product | |
| Article Number (Market Facing Number) | 6ES72121BD300XB0 |
| Product Description | ***Spare part*** SIMATIC S7-1200, CPU 1212C, compact CPU, AC/DC/relay, onboard I/O: 8 DI 24 V DC; 6 DO relay 2 A; 2 AI 0-10 V DC, Power supply: AC 85-264 V AC at 47-63 Hz, Program/data memory 25 KB |
| Product family | Not available |
| Product Lifecycle (PLM) | PM500:Discontinued Product or end of PLM & Support |
| Additional Product Information | |
| EAN | 6940408100299 |
| UPC | Not available |
| Commodity Code | 85371091 |
| LKZ_FDB/ CatalogID | ST9-E5 |
| Product Group | 9040 |
| Group Code | R132 |
| Country of origin | China |
| SCIP number | Not available |
| Delivery information | |
| Net Weight (lb) | 0.877 lb |
| Package size unit of measure | Inch |
| Packaging Quantity | 1 |

| Product | |
| Article Number (Market Facing Number) | 6ES72162BD230XB0 | 6ES72162BD230XB0 |
| Product Description | ***Spare part*** SIMATIC S7-200, CPU 226 Compact unit, AC power supply 24 DI DC/16 DO relay 16/24 KB progr./10 KB data, 2 PPI/user-programmable interface |
| Product family | Not available |
| Product Lifecycle (PLM) | PM410:Product cancellation |
| Additional Product Information | |
| EAN | 4025515071037 |
| UPC | 662643188356 |
| Commodity Code | 85371091 |
| LKZ_FDB/ CatalogID | ST9-E5 |
| Product Group | 4255 |
| Group Code | R131 |
| Country of origin | China |
| SCIP number | f26e57ad-2185-457a-9b3f-756a3fb04dcf |
| Delivery information | |
| Net Weight (lb) | 1.259 lb |
| Package size unit of measure | Inch |
| Packaging Quantity | 1 |

| Product | |
| Article Number (Market Facing Number) | 6ES71481EH110XA0 | 6ES71481EH110XA0 |
| Product Description | ***Spare part*** SIMATIC DP, Pneumatic interface EM 148-P for ET 200X 16 DO pneumatics for coupling with Festo valve terminal CPV-14; |
| Product family | Not available |
| Product Lifecycle (PLM) | PM500:Discontinued Product or end of PLM & Support |
| Additional Product Information | |
| EAN | 4025515065999 |
| UPC | 662643221329 |
| Commodity Code | 85389091 |
| LKZ_FDB/ CatalogID | ST9-E5 |
| Product Group | 4468 |
| Group Code | R111 |
| Country of origin | Germany |
| SCIP number | Not available |
| Delivery information | |
| Net Weight (lb) | 1.175 lb |
| Package size unit of measure | Inch |
| Packaging Quantity | 1 |

| Product | |
| Article Number (Market Facing Number) | 6ES75163FN020AB0 | 6ES75163FN020AB0 |
| Product Description | *** spare part *** SIMATIC S7-1500F, CPU 1516F-3 PN/DP, central processing unit with work memory 1.5 MB for program and 5 MB for data, 1st interface: PROFINET IRT with 2-port switch, 2nd interface: PROFINET RT, 3rd interface: PROFIBUS, 10 ns bit performance, SIMATIC Memory Card required |
| Product family | Not available |
| Product Lifecycle (PLM) | PM410:Product cancellation |
| Additional Product Information | |
| EAN | 4047623410492 |
| UPC | 195125053533 |
| Commodity Code | 85371091 |
| LKZ_FDB/ CatalogID | ST73 |
| Product Group | 4A7E |
| Group Code | R152 |
| Country of origin | Germany |
| SCIP number | Not available |
| Delivery information | |
| Net Weight (lb) | 1.321 lb |
| Package size unit of measure | Inch |
| Packaging Quantity | 1 |

Main
| Characteristic | Value(s) |
|---|---|
| Range of Product | Modicon Quantum automation platform |
| Product or Component Type | RIO head-end adaptor module |
Complementary
| Characteristic | Value(s) |
|---|---|
| Product Compatibility | Symax (any mix) Quantum 200/500/800 series |
| Maximum drops/network | 31 |
| I/O words/drop | 64 I/64 O |
| Type of cable | 75 Ohm coaxial |
| Transmission Rate | 1544 Mbit/s |
| Dynamic range | 35 dB |
| Isolation voltage | 500 V DC coaxial center and ground |
| Electrical connection | 2 female connectors F, elbowed with redundant cable |
| Diagnostics startup | Memory check LAN controller check Power up |
| Power dissipation in W | 3 W 2 channels |
| Marking | CE |
| Bus current requirement | 750 mA 2 channels |
| Module format | Standard |

IC694ALG392 WITH 8 Channel, Current/Voltage, Analog Output Module from the GE Fanuc RX3i Series.�Voltage Range: 0 to +10 V, -10 to +10 V.�Current Range: 0-20 mA, 4-20 mA

PLC Direct is not an authorized distributor. We offer a broad range of in-stock products with minimal lead time.

POWERLINK for real-time Ethernet communication Integrated hub for efficient cabling Configurable ring redundancy The interface module can be used to expand the X20 CPU for specific applications. It is equipped with an POWERLINK interface. The interface has two RJ45 sockets. Both connections lead to an integrated hub. This makes it easy to create daisy-chain connections using POWERLINK.

| Product | |
| Article Number (Market Facing Number) | 6ES73135BF030AB0 | 6ES73135BF030AB0 |
| Product Description | ***Spare part*** SIMATIC S7-300, CPU 313C, Compact CPU with MPI, 24 DI/16 DO, 4 AI, 2 AO, 1 Pt100, 3 high-speed counters (30 kHz), Integr. power supply 24 V DC, work memory 64 KB, Front connector (2x 40-pole) and Micro Memory Card required |
| Product family | Not available |
| Product Lifecycle (PLM) | PM500:Discontinued Product or end of PLM & Support |
| Additional Product Information | |
| EAN | 4025515074533 |
| UPC | Not available |
| Commodity Code | 85371091 |
| LKZ_FDB/ CatalogID | ST9-E5 |
| Product Group | 4256 |
| Group Code | R132 |
| Country of origin | Germany |
| SCIP number | Not available |
| Delivery information | |
| Net Weight (lb) | 1.596 lb |
| Package size unit of measure | Inch |
| Packaging Quantity | 1 |

| Product | |
| Article Number (Market Facing Number) | 6ES72121BE400XB0 | 6ES72121BE400XB0 |
| Product Description | SIMATIC S7-1200, CPU 1212C, COMPACT CPU, AC/DC/RLY, ONBOARD I/O: 8 DI 24V DC; 6 DO RELAY 2A; 2 AI 0 - 10V DC, POWER SUPPLY: AC 85 - 264 V AC AT 47 - 63 HZ, PROGRAM/DATA MEMORY: 75 KB NOTE: !!V13 SP1 PORTAL SOFTWARE IS REQUIRED TO PROGRAM!! |
| Product family | CPU 1212C |
| Product Lifecycle (PLM) | PM300:Active Product |
| Additional Product Information | |
| EAN | 4047623402725 |
| UPC | 887621769017 |
| Commodity Code | 85371091 |
| LKZ_FDB/ CatalogID | ST72 |
| Product Group | 4509 |
| Group Code | R132 |
| Country of origin | Germany |
| SCIP number | Not available |
| Delivery information | |
| Net Weight (lb) | 0.825 lb |
| Package size unit of measure | Inch |
| Packaging Quantity | 1 |

| Product | |
| Article Number (Market Facing Number) | 6ES71326BD200DA0 | 6ES71326BD200DA0 |
| Product Description | SIMATIC ET 200SP, digital output module, DQ 4x 24 V DC/2A High Speed, Pack quantity: 1 unit suitable for BU type A0, Color code CC00, 3 alternative operating modes: DQ, Oversampling, PWM Module diagnostics |
| Product family | Digital output modules |
| Product Lifecycle (PLM) | PM300:Active Product |
| Additional Product Information | |
| EAN | 4047623405641 |
| UPC | 804766209352 |
| Commodity Code | 85389091 |
| LKZ_FDB/ CatalogID | ST76 |
| Product Group | 4520 |
| Group Code | R151 |
| Country of origin | Germany |
| SCIP number | Not available |
| Delivery information | |
| Net Weight (lb) | 0.084 lb |
| Package size unit of measure | Inch |
| Packaging Quantity | 1 |

| Product | |
| Article Number (Market Facing Number) | 6ES72320HB220XA0 | 6ES72320HB220XA0 |
| Product Description | ***Spare part*** SIMATIC S7-200, Analog output EM 232, only for S7-22X CPU, 2 AO, +/-10 V DC, 12 bit converter |
| Product family | Not available |
| Product Lifecycle (PLM) | PM410:Product cancellation |
| Additional Product Information | |
| EAN | 4025515162599 |
| UPC | 662643187540 |
| Commodity Code | 85389091 |
| LKZ_FDB/ CatalogID | ST9-E5 |
| Product Group | 4557 |
| Group Code | R131 |
| Country of origin | China |
| SCIP number | Not available |
| Delivery information | |
| Net Weight (lb) | 0.265 lb |
| Package size unit of measure | Inch |
| Packaging Quantity | 1 |

| Product | |
| Article Number (Market Facing Number) | 6ES71971LA120XA0 | 6ES71971LA120XA0 |
| Product Description | SIMATIC S7-400H, Y-Link for connection of single-channel DP slaves to S7-400H & AS 410H |
| Product family | Ordering Data Overview |
| Product Lifecycle (PLM) | PM300:Active Product |
| Additional Product Information | |
| EAN | Not available |
| UPC | 804766142079 |
| Commodity Code | 85176200 |
| LKZ_FDB/ CatalogID | ST74 |
| Product Group | 2488 |
| Group Code | R336 |
| Country of origin | Germany |
| SCIP number | Not available |
| Delivery information | |
| Net Weight (lb) | 2.425 lb |
| Package size unit of measure | Inch |
| Packaging Quantity | 1 |

| Product | |
| Article Number (Market Facing Number) | 6ES74310HH000AB0 | 6ES74310HH000AB0 |
| Product Description | SIMATIC S7-400, analog input SM 431, non-isolated 16 AI, resolution 13 bit, +/-10 V, +/-20 mA, 4 - 20 mA 20 ms conversion time |
| Product family | SM 431 analog input module |
| Product Lifecycle (PLM) | PM300:Active Product |
| Additional Product Information | |
| EAN | 4025515128960 |
| UPC | 662643184266 |
| Commodity Code | 85389091 |
| LKZ_FDB/ CatalogID | ST74 |
| Product Group | 4041 |
| Group Code | R338 |
| Country of origin | Germany |
| SCIP number | Not available |
| Delivery information | |
| Net Weight (lb) | 1.821 lb |
| Package size unit of measure | Inch |
| Packaging Quantity | 1 |

Main
| Characteristic | Value(s) |
|---|---|
| Range of Product | Modicon Quantum automation platform |
| Product or Component Type | Power supply module |
| Power supply type | Redundant |
Complementary
| Characteristic | Value(s) |
|---|---|
| Input voltage | 24 V 20...30 V) DC |
| Input current | 3800 mA |
| Inrush current | 14 A 20 V 25 A 24 V |
| Maximum input power interruption | 100 ms 1 ms 20 V |
| Associated fuse rating | 5 A, slow-blow |
| Output voltage | 5.1 V DC |
| Power supply output current | 8 A redundant |
| Output overvoltage protection | Internal |
| Output overload protection | 2.3 x maximum rated input voltage for 1.3 ms |
| Power dissipation | 6 + (1.8 x Iout) where Iout is in A |
| Alarm output | 1 NC 6 A 220 V power supply fault |
| Local signalling | 1 LED (green) for power (PWR OK) |
| Marking | CE |
| Module format | Standard |
| Product Weight | 1.43 lb(US) (0.65 kg) |

Main
| Characteristic | Value(s) |
|---|---|
| Range of Product | Modicon Quantum automation platform |
| Product or Component Type | High-speed counter module |
| Number of channels | 2 |
Complementary
| Characteristic | Value(s) |
|---|---|
| Addressing requirement | 6 output words 6 input words |
| Data format | 2147483647 dec 32 bits 65535 dec 16 bits |
| Counting input type | Incremental or quadrature |
| Counting frequency | 500000 Hz |
| Discrete input voltage | < 30 V |
| Operating mode | Incremental or quadrature discrete input |
| Input resistance | 10 kOhm discrete input |
| Operating threshold | 0...11 V single ended mode 24 V DC at state off 0...2 V single ended mode 5 V DC at state on 0 V single ended mode 12 V DC at state on 13...24 V single ended mode 24 V DC at state on 2...7 V single ended mode 12 V DC at state off >= 1.8 V differential mode 3.5...5 V single ended mode 5 V DC at state off |
| Discrete output number | 4 |
| Discrete output type | Field Effect Transistor (FET) |
| Discrete output voltage | 0 V switch off DC 0.4 V switch on DC |
| Load current | 0.5 A |
| Maximum leakage current | 0.4 mA state off |
| Maximum voltage drop | <0.4 V state on |
| Protection type | 36 V transorb discrete output |
| Isolation between channels and bus | 1780 Vrms 60 s |
| Fault type | Loss of output field power |
| Output short-circuit protection | Blown fuse 2.5 A |
| Power dissipation | 4 + (0.4 x total module load current) |
| Bus current requirement | 650 mA |
| External power requirement | 19.2...30 V |
| Rack type | Local Remote Distributed |
| Local signalling | for channel status 2 LEDs |
| Marking | CE |
| Current consumption | <= 1050 mA 24 V DC external power supply |
| Module format | Standard |
Programmable logic controllers are ruggedized industrial computers that execute control logic for machine and process automation, handling digital and analog I/O, motion coordination, and network communication in real time across manufacturing and infrastructure environments. PLC Direct supplies programmable logic controllers as an independent supplier, carrying surplus sealed, refurbished, and used hardware for maintenance and replacement in installed automation systems.
Where Are Programmable Logic Controllers Used in Industrial Environments?
Programmable logic controllers are used wherever automated machine or process control requires deterministic, scan-based logic execution across digital and analog field signals. These controllers are installed across virtually every sector of industrial operations, from individual machine control panels to plant-wide distributed automation architectures.
Facilities and operations that depend on programmable logic controllers include:
-
Discrete manufacturing plants running assembly line automation, machine sequencing, and multi-axis motion control.
-
Food and beverage processing facilities managing conveyor systems, batch recipes, and filling line control.
-
Water and wastewater treatment plants controlling pump stations, dosing systems, and distributed process equipment.
-
Automotive and metal fabrication operations requiring high-speed discrete I/O and coordinated production line control.
-
Packaging, material handling, and logistics operations where flexible, modular control architectures support high-mix production environments.
Maintenance engineers and procurement teams sourcing replacement programmable logic controllers depend on the availability of both current-generation and legacy hardware to keep installed systems running without redesigning existing control architectures.
Which Brands of Programmable Logic Controllers Does PLC Direct Stock?
PLC Direct stocks programmable logic controllers across the major control platform brands deployed in installed automation systems worldwide.
-
Siemens SIMATIC S7 series: S7-300 and S7-400 modular controllers confirmed in stock, covering mid-range and high-end machine and process control applications across manufacturing and process industries.
-
Schneider Electric Modicon M340 and M580: Mid-range and high-end PAC platforms for machine and process control, with Modicon Quantum 140CPU series also stocked for larger installed process automation environments.
-
Mitsubishi Electric MELSEC iQ-R, Q Series, and FX5: Controller hardware spanning high-performance iQ-R CPUs, modular Q Series processors, and compact FX5 units for machine control applications across discrete manufacturing.
-
Omron Sysmac NX Series: NX1P2 CPU modules and associated I/O for Omron's machine automation platform, suited to packaging, assembly, and process control installations using EtherCAT and EtherNet/IP communication.
PLC Direct carries programmable logic controllers as surplus sealed, refurbished, and used hardware, giving maintenance teams and procurement managers options across condition grades and budget requirements.
What Should You Know Before Ordering Programmable Logic Controllers?
Hardware condition options: PLC Direct supplies programmable logic controllers in surplus sealed, refurbished, and used condition. Surplus sealed units are factory-sealed stock that has not been previously installed; refurbished controllers have been inspected and tested to confirm operational functionality; used hardware is sourced from decommissioned systems and suits facilities managing lifecycle replacements under budget constraints.
Compatibility and part identification: Programmable logic controllers are platform-specific, and CPU modules, I/O expansion, power supplies, and communication modules must be matched to the correct rack, backplane, and firmware environment for the installed system. Confirm the CPU part number, series designation, and any firmware or version requirements from existing system documentation before ordering. For legacy platforms such as the SIMATIC S7-300 and S7-400 or Modicon Quantum, verify rack slot and power supply compatibility as part of the identification process.
Warranty: All programmable logic controller hardware purchased from PLC Direct carries a standard 1-year PLC Direct warranty covering defects and functionality, applicable to surplus sealed, refurbished, and used products.
PLC Direct supplies programmable logic controller hardware for replacement and maintenance purposes and does not provide system design, programming, or integration services.








