Legacy PCI communications processor providing PROFIBUS DP master and slave functions for compatible SIMATIC NET PC systems.
Siemens C79458-L8001-A77 is the original SIMATIC NET CP 5614 communications processor for PROFIBUS connectivity in compatible PC-based automation systems.
The short-format PCI assembly combines DP master capability with a slave submodule. Its 5 V, 32-bit PCI V2.1 interface and legacy software requirements must be checked against the target computer and SIMATIC NET installation.
| Commercial field | Verified Siemens record |
|---|---|
| Manufacturer | Siemens |
| Complete part number | C79458-L8001-A77 |
| Official designation | SIMATIC NET CP 5614 communications processor |
| Interface platform | 5 V, 32-bit PCI V2.1 Plug and Play |
| Official software support status | No longer supported from SIMATIC NET V8.2 |
| Technical field | Exact-model data |
|---|---|
| Fieldbus | PROFIBUS |
| Operating roles | DP master and DP slave via integrated submodule |
| PC interface | PCI bus, direct connection; 5 V, 32-bit |
| PCI specification | PCI V2.1 Plug and Play |
| Power supply | From PCI slot; SELV +5 V DC ±5% |
| Typical current consumption | 1.6 A |
| Module format / dimensions | Short PCI module, 107 × 168 mm |
| Weight | 170 g |
| Hot-plug operation | Not released |
| Application | System fit |
|---|---|
| PC-based PROFIBUS master | Connects compatible industrial PCs to PROFIBUS networks as a DP master. |
| PC-based PROFIBUS slave | Provides a slave function through the integrated CP 5614 submodule. |
| Legacy SIMATIC NET systems | Supports established PC automation installations using compatible HARDNET-PB / SIMATIC NET software. |
| Replacement projects | Use only after checking the original PCI slot, operating system, driver and application requirements. |
Siemens documentation identifies C79458-L8001-A77 as the original CP 5614. Siemens SIMATIC NET V8.2 documentation states that CP 5614 without A2 is no longer supported. This support statement is retained without converting it into an unverified PLM lifecycle term.
It is the original SIMATIC NET CP 5614 PCI communications processor for PROFIBUS master and slave functions.
It uses a direct 5 V, 32-bit PCI V2.1 Plug and Play interface.
Yes. Siemens documentation describes DP master operation plus a slave function through the integrated submodule.
It is a 107 × 168 mm short PCI module weighing 170 g.
Verify the exact order code, PCI slot, operating system, SIMATIC NET software, drivers and PROFIBUS configuration.
Send the required quantity, destination and installed-system details. We will check supply availability, compatibility, global delivery options and applicable warranty terms.
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Practical support from exact-model identification and compatibility review through inspection, packing and international delivery.
Our office team checks the complete order code, quantity, destination and documentation requirements before sourcing begins.
Received items are checked for model marking, housing condition, connector integrity and traceability before packing.
Protective packing is selected for the equipment type, route and delivery method, with shipment tracking arranged for global destinations.
| Stage | What We Check | Customer Value |
|---|---|---|
| 1. Identification | Manufacturer, complete part number, suffix and nameplate details | Reduces incorrect-model risk |
| 2. Compatibility review | Installed PC, PCI slot, PROFIBUS role, operating system, drivers and SIMATIC NET software | Supports informed replacement decisions |
| 3. Supply verification | Available condition, quantity, lead time and warranty basis | Clarifies commercial expectations |
| 4. Inspection and packing | Markings, visible condition, connectors, packing and dispatch records | Improves delivery traceability |
Share the required quantity, destination and installed PC, PCI slot, PROFIBUS role and SIMATIC NET software configuration. We will check availability, compatibility, global delivery options and applicable warranty terms.
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Send the exact manufacturer part number, required quantity and destination. We will check availability, model identity, compatibility requirements, global delivery options and applicable warranty terms.
