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Electronic Theatre Controls Inc

History of DRd 0-10v cards

DRd 0-10v cards have had 3 major revisions as of July 2019, and features were added to each release. You can tell which revision you have by looking at the part number on the sticker here:

0-10V Part Number Sticker.png

 

Assembly Part Number

 

 

Release change

7180B5612

 

 

Original release of the board

 

 

7180B5644

 

 

Changed such that when power is lost, the card goes into a high-impedance state (which sets 0-10V loads to full brightness on loss of rack power)

 

 

7180B5649

 

 

Added isolation between the 0-10V lines and the signal ground of the rack. This improves the resilience of the system to 0-10V lines with leakage voltage present

 

 

 

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