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+# EtherCAT Motion Control (ECMC)
+
+ECMC is an EPICS-based motion control and data acquisition module for EtherCAT systems. It combines axis control, realtime PLC logic, data acquisition, and runtime extensions in one IOC-oriented package. The growing list of EtherCAT hardware supported by Controls forms the basis of the SLS 2.0 Motion Control Standard. 
+
+## EtherCAT Hardware Portfolio
+
+### Preferred EtherCAT terminals
+We maintain an active list of preferred EtherCAT terminals. The list accessed via the following url, under Standards Dokumente:  
+[El-Net Motion Control](https://intranet.psi.ch/de/el-net/el-net-psidrive-control)
+
+Using hardware from this catalog guarantees turnkey support, pre-tested motor profiles, and in most cases spare part replacement.
+
+### Supported EtherCAT terminals
+
+A auto-generated list of supported Beckhoff EtherCAT terminals is available here:  
+[ECMC supported slaves](https://paulscherrerinstitute.github.io/ecmccfg/manual/general_cfg/supported_slaves)
+
+The use of non-preferred, but otherwise supported, terminals should be discussed with local beamline contact and motion expert. Availability of spare parts on stock is not guaranteed.
+
+## Scope of support
+
+The support of EtherCAT hardware often extends past EPICS integration of basic motion control and I/O. For further information, see the ECMC subsection in the Service Portfolio tab.