Product Introduction
The Siemens 6ES7461-1BA01-0AA0 is an interface module receiver IM 461-1 designed for central coupling with PS transfer in SIMATIC S7-400 systems. This Siemens 6ES7461-1BA01-0AA0 module operates without a C bus and delivers a power loss of just 600 mW, making it an energy-efficient choice for expanding your automation network. With a compact footprint (25 mm width, 290 mm height, 280 mm depth) and a weight of approximately 610 g, it saves valuable cabinet space while ensuring reliable signal transfer.
Technical Specifications
| Parameter |
Value |
| Input current from backplane bus (5 V DC) |
Max. 120 mA |
| Power loss |
Max. 600 mW |
| Cable length between first and last interface module |
Max. 1.5 m |
| Width |
25 mm |
| Height |
290 mm |
| Depth |
280 mm |
| Weight |
Approx. 610 g |
These specifications confirm that the Siemens 6ES7461-1BA01-0AA0 offers low power consumption and a slim profile, ideal for high-density S7-400 racks.
Application Scenarios
The Siemens 6ES7461-1BA01-0AA0 is suited for large-scale manufacturing lines where central coupling of multiple S7-400 racks is required. In automotive production, for example, this module enables synchronized data transfer between control cabinets, reducing cabling costs and improving system responsiveness. For process industries like chemical plants, its low power loss minimizes heat generation, contributing to longer component life and lower cooling expenses. The compact dimensions allow easy integration into existing racks without major redesign.
Installation & Setup Guidance
Mount the Siemens 6ES7461-1BA01-0AA0 directly onto the S7-400 backplane bus. Ensure the cable length between the first and last interface module does not exceed 1.5 m to maintain signal integrity. Insert the module firmly into the designated slot until it locks. No external wiring is required for the receiver function. Always power down the rack before installation to avoid damage. Verify that the backplane bus supplies 5 V DC and can handle the additional 120 mA load.
Maintenance & Reliability
Because the Siemens 6ES7461-1BA01-0AA0 is a passive receiver with no moving parts, routine maintenance is minimal. Periodically inspect the module for dust accumulation and ensure the connector contacts are clean. The low power dissipation (600 mW) reduces thermal stress, enhancing long-term reliability. In cost-benefit terms, this translates to fewer unscheduled shutdowns and lower total cost of ownership over the system life.
Selection Guide & Purchasing Advice
Before ordering, verify that your S7-400 backplane and power supply (PS) module support central coupling with the Siemens 6ES7461-1BA01-0AA0. This receiver works without a C bus, so ensure your configuration does not require C bus functionality. For genuine Siemens parts and fast delivery, choose PLC Source PRO (ubest101). Our inventory is stocked with authentic automation spares to keep your line running.