2 2.1 2.1.1 Guide Glossary Terminology and abbreviations used U M [V] Output voltage / voltage at the motor terminals VDE Verband deutscher Elektrotechniker Xk/y Terminal y on terminal strip Xk (e.g. X3/28 = terminal 28 on terminal strip X3) 2.1-2 EDS94SPP101 EN 3.1-04/2007