Key Specifications Parameter Value Model Number SM-ETHERCAT Product Type Communication Interface Module / Fieldbus Option Module Manufacturer Emerson Industrial Automation / Control Techniques Compatible Drives Unidrive M, Unidrive SP, Digitax ST, Commander C series (with option slot) Primary Function EtherCAT network communication for drive control and monitoring Communication Protocol Network Type EtherCAT (Ethernet for Control Automation Technology) Physical Layer 100BASE-TX Ethernet Connection RJ45 connector(s) Data Rate 100 Mbps (full duplex) Cycle Time Typically 1-4 ms for drive control Supported Features Drive Control Speed reference, torque reference, position control Process Data Up to 16 PDOs (Process Data Objects) Synchronization Distributed Clocks (DC) for precise synchronization Diagnostics Network status, communication errors, drive status Electrical Specifications Power Supply Powered from host drive via backplane connection Power Consumption <5 W Isolation Galvanic isolation per EtherCAT standards Physical Form Factor Slot-in module for drive option slot Dimensions (W x D x H) 35 x 115 x 130 mm (1.38 x 4.53 x 5.12 in) approximate Net Weight Approx. 0.15 kg (0.33 lbs) Mounting Plugs directly into compatible drive option slot Environmental Operating Temperature 0°C to +50°C (32°F to 122°F) Storage Temperature -40°C to +85°C (-40°F to 185°F) Humidity 5% to 95% (non-condensing) Vibration Resistance Meets IEC 60068-2-6 requirements Features LED Indicators Module status, network status, link/activity LEDs Configuration Via drive keypad or software tools Firmware Upgrade Field-upgradeable via drive interface Addressing Automatic addressing via EtherCAT master Certifications Compliance CE, UL, RoHS compliant EtherCAT Conformance Certified EtherCAT slave device Standards IEC 61158, IEC 61784, EtherCAT specification