8AC141.61-3 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 8AC141.61-3 is part of the 8AC Powerlink Modules series and features a processor clock speed of 100 MHz with 32 MB DRAM. It provides one analog input at ±10 V, three digital I/O points at 24 VDC, and supports two CAN interfaces. Application memory uses CompactFlash, and the module includes an Ethernet port, RS232 interface, and has a maximum power consumption of 4.5 W.
Internal Product Review
The 8AC141.61-3 is a B & R Automation Powerlink module that delivers capable motion and control performance with a 100 MHz processor and 32 MB DRAM. A 1 x 100 Base-T Ethernet port and 2 CAN interfaces support clean integration in distributed automation systems. Maximum power consumption of 4.5 W makes this module an efficient and well-balanced control option.
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Product Description:
The 8AC141.61-3 module is manufactured by B&R Automation as part of the 8AC Powerlink Modules series. It is a compact communication and I/O unit that mounts in the first two slots of a system rack and bridges local signal levels to the deterministic POWERLINK network used in industrial automation cells. By combining field-level connectivity and network switching in one housing, it reduces wiring between sensors, actuators, and the supervisory PLC while maintaining real-time data exchange.
A processor clock of 100 MHz handles protocol tasks and user functions, backed by 32 MB of DRAM for variable buffers and a separate 32 kB of SRAM that retains critical flags during resets. Application code is stored on a removable CompactFlash card, so programs can be updated without replacing the unit. The single Ethernet interface operates at 100Base-T, providing deterministic POWERLINK timing when connected to the machine backbone. Two CAN channels support legacy drives or distributed I/O, while one X2X Link master port passes deterministic traffic to downstream remote nodes. Electrical integration is through an 8-pin connector, and the unit occupies slots 1 and 2 of the backplane so neighboring modules see minimal latency. Even at full traffic load, power draw stays within 4.5 W, which simplifies cabinet thermal design.
The analog front end accepts a single channel with a range of ±10 V, allowing direct connection of process transmitters without external scaling. Three discrete points share a common rail that switches at a nominal 24 VDC, and each sourcing output can deliver up to 500 mA for contactor coils or indicator lamps. Serial diagnostics are available through an RS-232 port that transmits at 115.2 kbaud, allowing program loading and console monitoring. With these mixed-signal and serial resources, the module can host small standalone control loops or forward conditioned data to higher-level controllers without additional interface cards.
