The attached HED drawing explains the functionality and wiring color codes. It is compatible with both the -B black finished magnets (default wiring) and the standard -N nickel magnets (inverted wiring).
This HED is also used in the MHED (modular HED). This is used with the LME or Renishaw RGH on the ML series metric ironless and Ripped series ironcore.
MHED wiring and dimensions