PZF Wiring Information (Presets)

H20X15M, H20X15MEA

Color      

Description     

Descriptions by Other Lens/Controller Manufacturers

Brown** 

Focus Pot Far   

Preset Ground, Ground, Error Return, Pot Return (-), CW, Preset Common

Light Green

Focus Pot Wiper

Focus Preset, Focus Pot, Focus Error, Focus Pot In

Gray*

Focus Pot Near

Preset +5V, +5V Reference, B+ Reference, Error Supply, Pot Supply (+), CCW, Preset Supply

Orange*

Zoom Pot Wide 

Preset +5V, +5V Reference, B+ Reference, Error Supply, Pot Supply (+), CCW, Preset Supply

Purple

Zoom Pot Wiper

Zoom Preset, Zoom Pot, Zoom Error, Zoom Pot In

Yellow** 

Zoom Pot Tele

Preset Ground, Ground, Error Return, Pot Return (-), CW, Preset Common

* Gray and Orange may be tied together for controllers with only one reference voltage for feedback pots.
** Brown and Yellow may be tied together for controllers with only one ground for feedback pots.


Not all controllers follow the above wiring as there is no true industry standard. These are only starting guidelines. If you receive errors in your zoom or focus pre-set functions you should reverse the +5V and Ground wires of the pot that is causing the error.