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- 6SN1161-1CA00-0EA1
- Drive Bus Cable
- Germany
- 152 × 152 × 25 mm
- 0.098 kg
- Xiamen, China
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Product Overview
The Siemens 6SN1161-1CA00-0EA1 Drive Bus Cable is a connection component designed for Siemens SIMODRIVE 611-D digital drive systems. It provides a drive bus connection between compatible drive modules, supporting the exchange of control-related signals within an industrial motion-control configuration.
In multi-axis CNC machines and automated manufacturing equipment, reliable communication between the control system and drive components is essential for coordinated operation. Drive bus cables provide the physical connection required by the designated system architecture. Selecting the correct cable type and length helps maintain the intended module arrangement and reduces the risk of connection problems during installation or maintenance.
The 6SN1161-1CA00-0EA1 is identified as a shielded round drive bus cable for a module width of 350 mm. It is associated with Siemens SIMODRIVE 611-D drive technology and is used in compatible configurations involving SINUMERIK and SIMODRIVE equipment.
Unlike a power module or motor drive, this product does not generate motor power or perform independent control calculations. Its function is to provide the specified bus connection between system components. Consequently, correct identification of the cable, module arrangement, connector configuration, and required cable length is particularly important.
The part number belongs to an established industrial drive platform. When maintaining existing machinery, the original cable specification should be checked before purchasing a replacement. A cable with a similar appearance may have a different length, shielding arrangement, or intended module width.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Product Model | 6SN1161-1CA00-0EA1 |
| Product Type | Drive Bus Cable |
| Product Family | SIMODRIVE 611-D |
| Cable Type | Shielded round cable |
| Specified Module Width | 350 mm |
| Typical System Application | SIMODRIVE 611-D digital drive systems |
| Related Control Platform | SINUMERIK 840D powerline configurations |
| Dimensions Provided | 152 × 152 × 25 mm |
| Weight Provided | 0.098 kg |
| Product Category | Industrial drive-system connection accessory |
| Lifecycle Consideration | Legacy spare part; verify availability |
The dimensions and weight above are the supplied listing values. The cable’s specified module width is a system-configuration designation, not the physical length of the cable. Confirm the actual cable length and connector arrangement against the existing installation before ordering.
Function and Working Principle
The Siemens 6SN1161-1CA00-0EA1 is a passive connection component within a drive-control system. Its role is to establish the required drive bus connection between compatible modules.
1. Drive Bus Signal Transmission
A digital drive system relies on communication between the numerical control system and its drive components. The drive bus cable provides the physical connection specified for the relevant system configuration.
Reliable connections are important for correct system operation. The cable must match the intended interface and module arrangement; it should not be treated as a generic network cable or substituted solely because the connectors appear similar.
2. Connection Between Drive Modules
SIMODRIVE 611-D installations may contain multiple modules arranged side by side within a control cabinet. The required drive bus cable depends on the physical arrangement and the distance that must be bridged.
The 6SN1161-1CA00-0EA1 is associated with a 350 mm module-width configuration. This designation helps maintenance personnel identify the intended connection arrangement when replacing a cable in an existing installation.
3. Shielding and Electromagnetic Compatibility
The product is specified as a shielded round cable. Shielding helps manage electromagnetic interference when installed as part of a correctly designed system.
Its effectiveness depends on the complete installation, including cable routing, shield termination, grounding practices, separation from power conductors, and the surrounding electrical environment. Correct installation is especially important in cabinets containing servo drives, power modules, and motor cables.
4. Support for Coordinated Motion Control
In CNC and multi-axis machinery, the control system must coordinate the operation of several drive components. The correct drive bus connection supports the communication architecture required by the equipment.
The cable itself does not regulate motor speed, position, or torque. Those functions are handled by the relevant control and drive hardware. The cable provides the physical connection needed for the system to operate as designed.
Role in Industrial Control Systems
The 6SN1161-1CA00-0EA1 is used as part of a larger Siemens automation and motion-control installation.
SINUMERIK CNC Systems
SINUMERIK numerical control systems are used in CNC machine tools and other applications requiring coordinated machine motion. In compatible configurations, drive bus cabling provides a connection between the digital drive system and its control architecture.
The exact cable requirement depends on the SINUMERIK version, drive configuration, and installation documentation. Engineers should verify the specified cable before replacing an existing component.
SIMODRIVE 611-D Drive Systems
SIMODRIVE 611-D is a digital drive platform used in industrial motion-control applications. Its modules must be interconnected according to the manufacturer’s system configuration.
The 6SN1161-1CA00-0EA1 is intended for the designated 350 mm module-width arrangement. Using the correct cable helps preserve the original system layout and connection requirements.
CNC Machine Tool Cabinets
Machine-tool cabinets may contain control units, drive modules, power components, and associated cabling. The drive bus cable forms part of this internal connection infrastructure.
During maintenance, technicians should inspect the cable routing and connector condition and ensure that the replacement does not interfere with cabinet clearances, neighboring modules, or other wiring.
Industrial Applications
1. CNC Machine Tools
CNC milling machines, turning machines, and machining centers use coordinated drive systems to control machine axes. In compatible Siemens installations, the drive bus cable supports the required connection between drive-system components.
A correctly specified replacement can help restore the original configuration after cable damage or maintenance work.
2. Multi-Axis Motion-Control Systems
Machines with several controlled axes require a suitable arrangement of drive modules and interconnections. The cable’s specified module width is an important selection factor when servicing these installations.
Before replacement, verify the actual module arrangement and the cable designation recorded in the machine documentation.
3. Automated Manufacturing Equipment
Some automated manufacturing systems incorporate Siemens CNC or SIMODRIVE equipment to control positioning and coordinated motion. Drive bus cabling is part of the electrical infrastructure supporting these systems.
Maintaining the correct cable type helps avoid unnecessary modifications to the original control cabinet.
4. Legacy Industrial Machinery
Older production equipment may remain in service for many years after its original drive platform has been discontinued. In these installations, sourcing the exact replacement cable can be more practical than redesigning the entire drive system.
The 6SN1161-1CA00-0EA1 may therefore be relevant to maintenance teams supporting compatible legacy SIMODRIVE 611-D installations.
Installation and System Integration
1. Verify the Complete Part Number
Check that the existing cable is marked 6SN1161-1CA00-0EA1. Do not rely only on its external appearance or the fact that it belongs to the SIMODRIVE family.
Different suffixes can identify different cable constructions or module-width arrangements. Confirm the required part number using the equipment documentation and the installed hardware.
2. Confirm the Module Arrangement
The designation for this cable refers to a 350 mm module-width configuration. Before ordering, check how the modules are positioned in the cabinet and confirm that the specified cable is appropriate for the required connection.
Do not interpret the module-width designation as a 350 mm physical cable length without checking the manufacturer’s documentation.
3. Inspect the Cable and Connectors
Before installation, inspect the cable jacket, connectors, contacts, and shielding for visible damage. Do not use a cable with crushed sections, exposed conductors, damaged connectors, or signs of overheating.
The connector must fit the intended interface without force. Incorrectly aligned or incompatible connectors may damage the equipment.
4. Follow Electrical Safety Procedures
Before working inside a drive cabinet, follow the machine manufacturer’s shutdown and isolation procedures. Industrial drive systems may contain hazardous voltages and stored electrical energy even after the incoming supply has been switched off.
Only qualified personnel should perform the installation in accordance with the applicable safety requirements.
5. Maintain Correct Cable Routing
Route the cable according to the system installation instructions. Avoid sharp bends, excessive tension, crushing, and unnecessary proximity to high-interference power conductors.
Maintain the specified shielding and grounding arrangement. Improper shield termination or routing may reduce electromagnetic compatibility and contribute to intermittent communication faults.
6. Test the System After Replacement
After installing the replacement cable, inspect the connection at both ends and verify that the cable is properly secured. Follow the machine manufacturer’s commissioning procedure before returning the equipment to production.
Check for relevant drive or control-system alarms and confirm normal system communication. If faults persist, inspect the connectors, module configuration, related cabling, and drive-system diagnostics rather than assuming that the cable is the only possible cause.
Compatible System Components
The 6SN1161-1CA00-0EA1 should be used only with equipment that supports the corresponding SIMODRIVE drive bus interface and cable configuration.
| Component | Role in the System | Compatibility Considerations |
|---|---|---|
| Siemens SIMODRIVE 611-D modules | Digital drive-system components | Confirm the specified module arrangement and bus interface |
| SINUMERIK 840D powerline control system | CNC control platform in compatible configurations | Verify the original system documentation and cable assignment |
| SIMODRIVE control unit | Coordinates drive operation | Confirm the correct interface and supported system configuration |
| SIMODRIVE power modules | Supply power to connected motor axes | Observe the required cabinet layout and interconnection scheme |
| CNC machine control cabinet | Houses control and drive hardware | Maintain correct routing, clearances, and shielding |
| Related drive bus cables | Connect modules in other configurations | Select by exact part number, cable type, and required module width |
This table identifies system components and equipment categories that may be relevant to a compatible installation. It does not imply that the cable is universally compatible with every SINUMERIK or SIMODRIVE product.
Alternative Models and Replacement Considerations
The Siemens 6SN1161-1CA00-0EA1 should be replaced with the same part number whenever possible, particularly when maintaining a validated legacy machine configuration.
Other cables in the 6SN1161-1CA00 series may serve different module widths or use different cable constructions. They should not be assumed to be direct substitutes.
| Related Model | General Identification | Replacement Consideration |
|---|---|---|
| 6SN1161-1CA00-0AA0 | SIMODRIVE 611-D drive bus cable for 50 mm module width | Different module-width designation |
| 6SN1161-1CA00-0AA1 | Shielded round drive bus cable for 50 mm module width | Different module-width designation and cable construction |
| 6SN1161-1CA00-0BA0 | Drive bus cable for 100 mm module width | Confirm the required width and cable type |
| 6SN1161-1CA00-0BA1 | Shielded round drive bus cable for 100 mm module width | Not automatically interchangeable |
| 6SN1161-1CA00-0CA0 | Drive bus cable for 150 mm module width | Intended for a different module arrangement |
| 6SN1161-1CA00-0CA1 | Shielded round drive bus cable for 150 mm module width | Verify the exact system requirement |
| 6SN1161-1CA00-0DA0 | Drive bus cable for 300 mm module width | Different module-width designation |
| 6SN1161-1CA00-0FA0 | SIMODRIVE digital drive bus ribbon cable, 200 mm | Different cable construction and length specification |
The models listed above are related products, not automatic replacements for the 6SN1161-1CA00-0EA1. Before substituting any cable, verify the module width, cable construction, length, connector interface, shielding, and original system documentation.
Key Advantages
Designed for SIMODRIVE 611-D Systems
The cable is identified for Siemens SIMODRIVE 611-D drive systems, supporting maintenance of compatible legacy installations.
Defined Module-Width Configuration
Its 350 mm module-width designation helps identify the intended connection arrangement when selecting a replacement.
Shielded Round Cable Construction
The specified shielded round construction supports the drive system’s intended wiring and electromagnetic compatibility requirements when correctly installed.
Supports Existing CNC Infrastructure
Replacing a damaged cable with the correct part can help preserve the original cabinet layout and avoid unnecessary changes to the control system.
Useful for Maintenance and Spare-Parts Planning
Accurate part-number identification makes it easier for maintenance teams and industrial equipment suppliers to distinguish this cable from related SIMODRIVE drive bus cables.
Technical FAQs
1. What is the Siemens 6SN1161-1CA00-0EA1?
It is a shielded round drive bus cable designed for compatible Siemens SIMODRIVE 611-D digital drive systems.
2. What is the specified module width?
The cable is identified for a module-width configuration of 350 mm. This is a system configuration designation and should not be confused with the cable’s physical length.
3. What is the cable used for?
It provides the specified drive bus connection between compatible components in a digital drive-control system. The exact connection depends on the installed SIMODRIVE and control-system configuration.
4. Is it a power cable for the motor?
No. It is identified as a drive bus cable, not a motor power cable. It should be used only for the intended drive bus interface.
5. Can it be used with every Siemens SINUMERIK system?
No. Compatibility depends on the particular SINUMERIK platform, SIMODRIVE hardware, interface, and module arrangement. Check the equipment documentation before installation.
6. Can a cable with a different module-width designation be substituted?
Not without technical verification. Related cables in the same product family can have different intended module widths and constructions. Select the replacement according to the original system configuration.
7. What should be checked before purchasing?
Confirm the full part number, cable type, module-width designation, connector condition, physical length, and compatibility with the installed drive system. If purchasing used or surplus stock, also check the cable jacket and connector contacts.
8. Is the 6SN1161-1CA00-0EA1 still a current-production item?
It is treated as a legacy spare part in industrial supply channels. Confirm the current lifecycle status and actual availability with the supplier before placing an order.
9. What is the supplied weight?
The supplied listing weight is 0.098 kg. Verify the actual unit weight and packaging weight separately if precise shipping calculations are required.
Procurement and Maintenance Recommendations
When purchasing the Siemens 6SN1161-1CA00-0EA1, start by confirming the full part number and the cable specification required by the installed machine. In a legacy drive system, even a small difference in the product suffix can indicate a different cable arrangement.
For used or surplus components, request clear photographs of the product label, connectors, and cable condition. Verify that the cable has not been crushed, cut, stretched, or exposed to conditions that could compromise the shielding or connector contacts.
For maintenance planning, retain the original machine wiring documentation and record the installed cable designation. Keeping the correct spare cable in stock can help reduce downtime when a connection is damaged or needs replacement.
If the original part is unavailable, do not select an alternative based only on similar dimensions or appearance. Confirm the required interface, module width, cable construction, physical length, and shielding arrangement with the applicable system documentation or a qualified Siemens drive specialist.
Conclusion
The Siemens 6SN1161-1CA00-0EA1 Drive Bus Cable is a shielded round cable for compatible SIMODRIVE 611-D digital drive systems, identified for a 350 mm module-width configuration. It supports the physical drive bus connection required by the designated industrial motion-control architecture.
For CNC machine tools and legacy automated production equipment, selecting the correct cable is important for preserving the original system configuration. Verify the complete part number, cable construction, connector arrangement, and installation requirements before purchasing or replacing the component.