Central CPUs, fail-safe CPUs, racks, and distributed-I/O control roles
Category hub / PLC / CPU
PLC and CPU references - identify, recover, replace
A PLC or CPU reference is only useful when it stays connected to its rack, firmware, safety role, and machine context. This hub starts with the reference itself, then records what is known before a source, repair, exchange, or replacement decision is made.
Catalogue references
537 catalogue references
537 catalogue references.
| Rank | Reference | Manufacturer | Type | System role | Evidence | Status | Action |
|---|---|---|---|---|---|---|---|
| 401 | BMXAMO0410 | Not stated | Not stated | The module converts controller output values into four analog field signals. | Individual research | PUBLISHED | Open reference |
| 402 | BMXAMO0802 | Not stated | Not stated | The module converts controller output values into eight current-loop signals. | Individual research | PUBLISHED | Open reference |
| 403 | BMXART0814 | Not stated | Not stated | The module receives and converts eight low-level analog field signals. | Individual research | PUBLISHED | Open reference |
| 404 | BMXDDI6402K | Not stated | Not stated | The module receives 64 positive-logic 24 V DC field states. | Individual research | PUBLISHED | Open reference |
| 405 | BMXDDM16025 | Not stated | Not stated | The module receives eight digital inputs and switches eight relay outputs. | Individual research | PUBLISHED | Open reference |
| 406 | BMXDDO6402K | Not stated | Not stated | The module switches 64 positive-logic 24 V DC transistor outputs. | Individual research | PUBLISHED | Open reference |
| 407 | BMXEAE0300 | Not stated | Not stated | The module receives and processes position data from three SSI encoder channels. | Individual research | PUBLISHED | Open reference |
| 408 | BMXNOC0401 | Not stated | Not stated | The module routes Modbus TCP and EtherNet/IP traffic for the M340 system. | Individual research | PUBLISHED | Open reference |
| 409 | BMXNOC0402 | Not stated | Not stated | The module routes Ethernet TCP/IP and EtherNet/IP communication for the M580 rack. | Individual research | PUBLISHED | Open reference |
| 410 | BMXNOE0100 | Not stated | Not stated | The module routes Ethernet data and provides network diagnostics for the M340 system. | Individual research | PUBLISHED | Open reference |
| 411 | BMXP3420102 | Not stated | Not stated | Controls a Modicon M340 automation rack by processing logic and exchanging I/O data. | Individual research | PUBLISHED | Open reference |
| 412 | BMXXBE2005 | Not stated | Not stated | Routes the backplane connection between Modicon X80 rack sections for multirack expansion. | Individual research | PUBLISHED | Open reference |
| 413 | C200H-TS002 | Not stated | Not stated | Measures temperatures from four selectable K or L thermocouple inputs for a C200H control system. | Individual research | PUBLISHED | Open reference |
| 414 | C6650-1006-0030 | Not stated | Not stated | Processes machine-control and data-logging workloads on a Beckhoff C6 industrial PC. | Individual research | PUBLISHED | Open reference |
| 415 | C6920-1114-0050 | Not stated | Not stated | Processes machine-control and visualization workloads on a Beckhoff C6 industrial PC. | Individual research | PUBLISHED | Open reference |
| 416 | C6920-1148-0060 | Not stated | Not stated | Processes automation workloads and network data on a Beckhoff C6 industrial PC. | Individual research | PUBLISHED | Open reference |
| 417 | C6925-1009 | Not stated | Not stated | Processes control applications on a fanless Beckhoff C6 industrial PC. | Individual research | PUBLISHED | Open reference |
| 418 | C73451-A3000-C1 | Not stated | Not stated | Supplies power within a Siemens industrial automation system. | Individual research | PUBLISHED | Open reference |
| 419 | C73451-A430-D81 | Not stated | Not stated | Routes pneumatic connections for a double-acting SIPART PS2 valve-positioner assembly. | Individual research | PUBLISHED | Open reference |
| 420 | C9900-P224 | Not stated | Not stated | The power supply unit supplies regulated power to a Beckhoff Industrial PC. | Individual research | PUBLISHED | Open reference |
| 421 | CP1E-N60S1DT1-D | Not stated | Not stated | The PLC CPU unit processes control logic and switches transistor outputs for a machine. | Individual research | PUBLISHED | Open reference |
| 422 | CP1L-M30DT1-D | Not stated | Not stated | The controller processes CP1L machine logic and exchanges signals through its integrated digital inputs and PNP outputs. | Individual research | PUBLISHED | Open reference |
| 423 | CPU01-EC | Not stated | Not stated | Central processing unit in a C200HS PLC, executing the control program between field input states and commanded outputs. | Individual research | PUBLISHED | Open reference |
| 424 | CQM1-PA216 | Not stated | Not stated | The power-supply unit converts the incoming AC supply into the power rails used by the CQM1H controller and its connected units. | Individual research | PUBLISHED | Open reference |
| 425 | CX1020-0112 | Not stated | Not stated | The embedded PC processes PLC and motion-control software and connects the control application to the CX system bus. | Individual research | PUBLISHED | Open reference |
| 426 | EK1100 | Not stated | Not stated | Converts 100BASE-TX EtherCAT telegrams into E-bus signals for attached terminals. | Individual research | PUBLISHED | Open reference |
| 427 | EL3162 | Not stated | Not stated | Measures two 0-10 V signals and digitizes them at 16-bit resolution. | Individual research | PUBLISHED | Open reference |
| 428 | EL4022 | Not stated | Not stated | Processes and transmits two electrically isolated 4-20 mA output signals. | Individual research | PUBLISHED | Open reference |
| 429 | EL6002 | Not stated | Not stated | Transmits serial RS232 data through an EtherCAT terminal. | Individual research | PUBLISHED | Open reference |
| 430 | EL6652-0010 | Not stated | Not stated | Transmits EtherNet/IP adapter traffic through a two-port EtherCAT Terminal. | Individual research | PUBLISHED | Open reference |
| 431 | EPM-S501.2A.10 | Not stated | Not stated | Analog-output stage that converts internal control values into voltage or current signals for downstream field equipment. | Individual research | PUBLISHED | Open reference |
| 432 | ETB1EI16CP00 | Not stated | Not stated | Routes configurable field I/O between a PLC and the connected sensors or actuators. | Individual research | PUBLISHED | Open reference |
| 433 | F160-C15E-2 | Not stated | Not stated | The F160 controller processes camera images and outputs inspection measurements. | Individual research | PUBLISHED | Open reference |
| 434 | FH-3050-10 | Not stated | Not stated | The FH controller processes camera images and outputs inspection measurements. | Individual research | PUBLISHED | Open reference |
| 435 | LMC058LF42 | Not stated | Not stated | Supplies the 24 V DC base and 42 I/O connection point for a Modicon LMC control assembly. | Individual research | PUBLISHED | Open reference |
| 436 | LMC402CAA10000 | Not stated | Not stated | Controls coordinated motion for the documented 16-axis LMC402 application. | Individual research | PUBLISHED | Open reference |
| 437 | PC-E984-685 | Not stated | Not stated | Executes programmable logic and coordinates I/O and communications in a Modicon 984 control system. | Individual research | PUBLISHED | Open reference |
| 438 | 6ES7515-2FM02-0AB0 | Not stated | Not stated | Controls fail-safe S7-1500 automation logic and exchanges process data with connected PROFINET devices. | Individual research | PUBLISHED | Open reference |
| 439 | 6ES7516-3AN01-0AB0 | Not stated | Not stated | Controls demanding machine or plant automation and communicates with distributed devices over its documented interfaces. | Individual research | PUBLISHED | Open reference |
| 440 | 6ES7516-3FN02-0AB0 | Not stated | Not stated | Controls safety-related S7-1500 logic and communicates with distributed automation devices. | Individual research | PUBLISHED | Open reference |
| 441 | 6ES7517-3FP00-0AB0 | Not stated | Not stated | Controls demanding automation and exchanges safety-related process data with connected network devices. | Individual research | PUBLISHED | Open reference |
| 442 | 6ES7522-1BL10-0AA0 | Not stated | Not stated | Switches discrete DC loads from the S7-1500 control program at the field-output boundary. | Individual research | PUBLISHED | Open reference |
| 443 | 6ES7532-5ND00-0AB0 | Not stated | Not stated | Converts controller commands into analog signals for downstream actuators or instrumentation. | Individual research | PUBLISHED | Open reference |
| 444 | 6ES7633-1DF02-0AE3 | Not stated | Not stated | Combines operator interaction and S7-300 control I/O at a machine-panel boundary. | Individual research | PUBLISHED | Open reference |
| 445 | 6ES7634-1DF02-0AE3 | Not stated | Not stated | Combines operator interaction and S7-300 control I/O at a machine-panel boundary. | Individual research | PUBLISHED | Open reference |
| 446 | 6ES7643-6HA22-0JX0 | Not stated | Not stated | Provides an industrial computing node for automation software and communication with control networks. | Individual research | PUBLISHED | Open reference |
| 447 | 6ES7647-6AE45-0AK0 | Not stated | Not stated | Processes automation software workloads alongside automation controllers and operator software. | Individual research | PUBLISHED | Open reference |
| 448 | 6ES7647-6CE26-0GA1 | Not stated | Not stated | Provides an industrial computing node for automation software and communication with control networks. | Individual research | PUBLISHED | Open reference |
| 449 | 6ES7647-6CE60-0GA1 | Not stated | Not stated | Provides an industrial computing node for automation software and communication with control networks. | Individual research | PUBLISHED | Open reference |
| 450 | 6ES7647-6CE66-0GA1 | Not stated | Not stated | Provides an industrial computing node for automation software and control-network services. | Individual research | PUBLISHED | Open reference |
What this category covers
Reference identity, successor checks, firmware and network context
Evidence needed before repair, exchange, or a compatible replacement
Integration status: 16 catalogue identities integrated; identity pages are indexable and optional evidence is omitted when unavailable
Choose a recovery path
Editorial queue
9 draft / 1 published
Published guides passed the shared evidence evaluator. Draft entries remain noindex until their body, sources, review window, provenance, and category path pass the same gates.
| Intent | Question | Summary | Source notes | Integration | Preview |
|---|---|---|---|---|---|
| How to identify a PLC CPU from its nameplate | Which nameplate fields prove a PLC CPU identity? | A practical intake sequence for the reference, revision, family, and visible condition. | docs/data/v1-guide-publication-review.md; Siemens SIMATIC S7-1200 system manual V4.5: https://cache.industry.siemens.com/dl/files/241/109797241/att_1066673/v1/s71200_system_manual_en-US_en-US.pdf; Siemens 6ES7214-1AG40-0XB0 product data: https://mall.industry.siemens.com/goos/catalog/Pages/mmpdata.ashx?MLFB1=6ES7214-1AG40-0XB0&lang=en; Siemens 6ES7214-1BG40-0XB0 product data: https://mall.industry.siemens.com/goos/catalog/Pages/mmpdata.ashx?MLFB1=6ES7214-1BG40-0XB0&lang=en | PUBLISHED - INDEXABLE | Open published guide |
| PLC CPU or I/O module: what is the difference? | How can a technician tell the controller from an I/O module? | Explain the control role and the evidence that separates a CPU from its connected modules. | docs/data/data-model.md; Manufacturer documentation required before publication | DRAFT - NOT INDEXABLE | Open draft |
| What to record before recovering a fail-safe PLC CPU | What safety and configuration evidence is needed before recovery? | Define a safe intake boundary for a fail-safe controller without promising compatibility. | docs/product/comparison-and-recovery-model.md; Qualified technical evidence required | DRAFT - NOT INDEXABLE | Open draft |
| How to check a PLC CPU successor reference | What must be compared before accepting a successor? | A comparison checklist for hardware, firmware, safety, wiring, and project constraints. | docs/data/data-model.md; Manufacturer documentation required before publication | DRAFT - NOT INDEXABLE | Open draft |
| Why network context matters for a PLC CPU | Which network details affect a CPU replacement? | Show why a part number alone cannot confirm a drop-in replacement in a control network. | docs/product/comparison-and-recovery-model.md; Qualified technical evidence required | DRAFT - NOT INDEXABLE | Open draft |
| Planning around an obsolete PLC CPU | What should be documented when a PLC CPU is obsolete? | Separate evidence gathering, machine risk, sourcing, and migration decisions. | docs/data/data-management.md; Current manufacturer status required | DRAFT - NOT INDEXABLE | Open draft |
| PLC repair or replacement: which evidence helps? | When is repair evidence more useful than a replacement quote? | Frame the recovery decision around symptoms, downtime, configuration, and available evidence. | docs/product/comparison-and-recovery-model.md; Repair capability evidence required | DRAFT - NOT INDEXABLE | Open draft |
| A control-cabinet checklist for PLC identification | What should be photographed during a PLC cabinet audit? | List the cabinet and machine context that makes a reference request actionable. | /how-it-works/#request-checklist; Technical evidence required | DRAFT - NOT INDEXABLE | Open draft |
| PLC reference aliases and formatting | Why do the same PLC references appear in different formats? | Document normalization without treating an alias as proof of product identity. | docs/data/data-model.md; Source evidence required | DRAFT - NOT INDEXABLE | Open draft |
| What evidence to send with a PLC request | Which files and photos make a PLC request useful? | A short evidence pack for reference, symptom, machine, and desired recovery route. | /how-it-works/#request-checklist; Ardkor intake policy | DRAFT - NOT INDEXABLE | Open draft |
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