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- MC503 1TNE968901R0100
- AC500-eCo SD-Card Adapter
- Sweden (SE)
- 45 × 10 × 32 mm
- 0.008 kg
- Xiamen, China
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Product Overview
The ABB MC503, ordering number 1TNE968901R0100, is an SD-card adapter for compatible ABB AC500-eCo programmable logic controllers. It accommodates the memory card required by supported processor configurations, allowing the controller to use removable storage for applicable PLC functions.
In a machine control cabinet, the MC503 is relevant when a compatible AC500-eCo processor requires a memory-card interface. The adapter and memory card are separate components: the MC503 provides the interface, while the installed card stores the data supported by the controller. This distinction matters when preparing replacement parts or maintaining an existing PLC installation.
The MC503 is associated with the AC500-eCo V2 processor families PM55x-xP and PM56x-xP. It is also listed as a memory-card adapter in ABB’s AC500-eCo accessory range. The required card and supported storage functions depend on the processor generation and hardware configuration.
For maintenance engineers, checking the complete ordering number and CPU model helps avoid selecting an incompatible storage accessory. The adapter does not execute control logic, add input/output channels, or provide a separate communication interface. Its function is limited to the memory-card connection supported by the relevant processor.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | MC503 |
| Ordering Number | 1TNE968901R0100 |
| Product Type | AC500-eCo SD-Card Adapter |
| Product Family | ABB AC500-eCo |
| Accessory Type | Memory Card Adapter |
| Compatible Processor Series | Selected PM55x-xP and PM56x-xP processors |
| Associated Memory Card | ABB MC502 |
| Degree of Protection | IP20 |
| Operating Temperature | 0 to +60 °C |
| Storage Temperature | -40 to +70 °C |
| Dimensions | 45 × 10 × 32 mm |
| Weight | 0.008 kg |
Product Features
- SD-card interface: Accommodates the supported memory card in compatible processor configurations.
- AC500-eCo integration: Serves as a dedicated accessory for the relevant PLC hardware.
- Separate card and adapter: Allows the adapter and memory card to be identified and replaced as individual components.
- Processor-specific compatibility: Supports the designated processor families rather than acting as a universal SD-card reader.
- Compact accessory format: Fits the intended memory-card position in the compatible controller.
- Defined environmental limits: Supports operation within its specified ambient temperature range.
- Clear part identification: The MC503 model and 1TNE968901R0100 ordering number help distinguish it from other PLC accessories.
Working Principle
The MC503 provides the physical interface between a compatible memory card and the PLC processor. Once installed in the designated position, it allows the processor to access the card through the hardware and firmware functions supported by that controller.
The basic arrangement is:
AC500-eCo Processor → MC503 Adapter → Compatible Memory Card
The adapter does not independently store or execute a PLC program. The memory card provides the storage medium, while the processor determines how the card is accessed and which storage functions are available.
For example, during maintenance of a compatible AC500-eCo V2 controller, a technician may need to check the adapter and memory card as separate items. If the controller fails to recognize the card, the fault may arise from incorrect seating, card condition, processor compatibility, or the supported storage configuration.
The adapter should be installed according to the processor’s hardware instructions. After installation, the technician should verify that the card is recognized and that the required storage function operates correctly. Removing or inserting storage media while the controller is accessing it can risk data corruption or interfere with normal operation, so the applicable processor procedure must be followed.
Role in the AC500-eCo PLC Architecture
The MC503 belongs to the processor’s storage interface. It works alongside the CPU and supported memory card rather than handling field signals or performing logic execution.
| System Element | Function |
|---|---|
| ABB AC500-eCo Processor | Executes the PLC application and manages supported storage functions |
| MC503 SD-Card Adapter | Provides the interface for the compatible memory card |
| ABB MC502 Memory Card | Supplies removable storage in supported configurations |
| PLC Firmware | Determines the storage functions supported by the processor |
| Engineering Software | Supports PLC programming, configuration, and maintenance |
| PLC Application | Contains the control logic and application data |
| Processor Slot or Card Position | Accommodates the applicable storage accessory |
Industrial Applications
| Application | Practical Use |
|---|---|
| Machine Automation | Supporting removable storage on compatible AC500-eCo controllers |
| OEM Control Panels | Maintaining the memory-card interface in existing PLC assemblies |
| Packaging Machinery | Servicing controller storage hardware in compatible machine installations |
| Pump Control Systems | Maintaining the storage accessory used by the installed PLC |
| Building Automation | Supporting applicable controller configurations that use removable memory |
| Industrial Equipment Maintenance | Replacing a damaged or missing memory-card adapter |
| PLC Service Work | Preparing the required adapter and card for supported storage operations |
| Existing Controller Upgrades | Checking memory-card requirements when servicing compatible processor hardware |
Installation and Maintenance
- Verify the complete part number: Confirm MC503 and ordering number 1TNE968901R0100 against the existing component and processor documentation.
- Identify the processor model: Check the exact AC500-eCo CPU type and hardware generation before ordering the adapter.
- Confirm memory-card compatibility: Verify that the intended card is supported by the processor and the required storage function. The adapter and memory card are separate components.
- Follow the processor shutdown procedure: Switch off the controller when required by its installation instructions before fitting or removing the adapter.
- Access the designated card position: Open the relevant cover or access point according to the processor’s hardware instructions.
- Inspect the adapter: Check the adapter for contamination, damaged contacts, deformation, or other visible defects.
- Install the adapter correctly: Align it with the designated interface and seat it according to the processor’s instructions. Do not force the component into position.
- Fit the compatible memory card: Confirm the card orientation and install it using the specified procedure.
- Restore the protective cover: Ensure the relevant cover or retaining feature is correctly positioned before returning the controller to service.
- Verify card recognition: Check the processor’s indicated card status or supported diagnostic information after installation.
- Investigate storage errors: If the card is not recognized, check the adapter seating, card condition, CPU compatibility, and firmware support before replacing parts.
- Record the maintenance work: Document the adapter ordering number, processor model, installed memory card, and verification results.
Compatible System Components
| Component | Function |
|---|---|
| ABB AC500-eCo PM55x-xP Processor | Compatible processor family for the specified adapter |
| ABB AC500-eCo PM56x-xP Processor | Compatible processor family for the specified adapter |
| ABB MC502 Memory Card | Associated memory card for supported configurations |
| Processor Memory-Card Interface | Provides the connection for the adapter |
| PLC Firmware | Determines supported card functions and storage behavior |
| Engineering Software | Supports PLC configuration and maintenance workflows |
Recommended Related Models
| Model | Product Type | Selection Consideration |
|---|---|---|
| ABB MC503 / 1TNE968901R0100 | AC500-eCo SD-Card Adapter | Reference adapter for compatible PM55x-xP and PM56x-xP processors |
| ABB MC502 / 1SAP180100R0001 | SD Memory Card | Associated memory card for supported configurations |
| ABB MC5102 | Micro Memory Card | Alternative memory-card option for processor generations that support it |
| ABB TA5350-AD | Micro Memory Card Adapter | Used with the MC5102 in supported configurations |
| ABB TA561-RTC / 1SAP181400R0001 | Real-Time Clock Option Board | Adds a real-time clock function to compatible AC500-eCo hardware |
| ABB TA562-RS / 1TNE968901R4300 | COM2 Serial Adapter | Provides the supported COM2 serial interface |
| ABB TA562-RS-RTC / 1SAP181500R0001 | Serial Adapter with Real-Time Clock | Combines serial-interface and clock functions in compatible configurations |
| ABB TK503 / 1TNE968901R1100 | USB-to-RS485 Programming Cable | Programming connection for the supported COM1 interface |
| ABB TK504 / 1TNE968901R2100 | USB-to-RS485 Programming Cable | Programming connection for the supported COM2 interface |
| ABB TK506 / 1SAP186100R0001 | RS485 Isolator | Provides isolation for the supported serial interface |
| ABB TA566 / 1TNE968901R3107 | Wall-Mounting Accessory | Mounting accessory for compatible AC500-eCo PLC hardware |
| ABB TA570 / 1TNE968901R3203 | AC500-eCo Accessory Set | Includes specified covers and terminal accessories |
| ABB AC500-eCo PM55x-xP | PLC Processor Family | Relevant processor family for checking MC503 compatibility |
| ABB AC500-eCo PM56x-xP | PLC Processor Family | Relevant processor family for checking MC503 compatibility |
Key Advantages
- Provides a dedicated memory-card interface for compatible AC500-eCo processors.
- Supports the associated MC502 card in applicable configurations.
- Has a distinct ordering number for spare-parts identification.
- Supports maintenance of existing PLC installations using removable storage.
- Fits within the designated processor hardware arrangement.
Technical FAQs
Does the MC503 include the SD memory card?
No. The MC503 is the adapter, and the memory card is a separate component. The MC502 is the associated card listed for compatible configurations.
Which processor models should be checked before ordering the MC503?
The adapter is associated with selected PM55x-xP and PM56x-xP processor models. Confirm the exact CPU type and hardware generation before installation.
Can the MC503 be used as a general-purpose SD-card reader?
No. It is a PLC accessory intended for compatible AC500-eCo processor hardware. It should not be treated as a universal SD-card reader for computers or unrelated devices.
What should be checked if the processor does not recognize the installed card?
Check the processor’s compatibility, the card type, adapter seating, card condition, and firmware support. Follow the controller’s diagnostic procedure before replacing the adapter.