Here’s what I found about the older revs: 73: Problems/Bugs Fix: Increased accuracy of position of rotating litho after homing. This compensated for the 4:3 gear ratio of the drive system. This fixes appx 90% of the problem. If the unit is allowed to time out and shut down normally it will return to it's proper position. If it's power is shut down before a normal shutdown is performed or the Litho is physically rotated by hand, it can come up + or - 2.7 degrees off of center until adjusted by the controller. Total error is also now limited to 5.4 degrees by correcting for homing errors introduced into the system by not being production homed properly.
74: Problems/Bugs Fix: This version corrects a positional error in the effects wheel that caused a dark halo around one edge of the light beam when using the wide angle/prism effects. It also adjusts the temperature at which the fans remain on during a fixture shutdown. The code is written such that the following is true:
temp condition action 68C if fixture shutdown & lamp I off fans turn off 71C if lamp I on fans on 78C fans on otherwise if lamp I is on fans will be on.
75: Problems/Bugs Fix: Bug fixed in current control during homing of Rotating Litho
76: No info available.
77: Problems/Bugs Fix: Fixes position bug in CMY flag production homing. Closes CMY flags slightly more to insure a fully closed and repeatable fully saturated position.
- Tim
Good morning!
Thanks for the prompt reply, the revisions up to 76 don't really apply to me, although the CMY flag issue may explain why I have different graduation of colour between some fixtures.
Here’s what I found about the older revs: 73: Problems/Bugs Fix: Increased accuracy of position of rotating litho after homing. This compensated for the 4:3 gear ratio of the drive system. This fixes appx 90% of the problem. If the unit is allowed to time out and shut down normally it will return to it's proper position. If it's power is shut down before a normal shutdown is performed or the Litho is physically rotated by hand, it can come up + or - 2.7 degrees off of center until adjusted by the controller. Total error is also now limited to 5.4 degrees by correcting for homing errors introduced into the system by not being production homed properly.
74: Problems/Bugs Fix: This version corrects a positional error in the effects wheel that caused a dark halo around one edge of the light beam when using the wide angle/prism effects. It also adjusts the temperature at which the fans remain on during a fixture shutdown. The code is written such that the following is true:
temp condition action 68C if fixture shutdown & lamp I off fans turn off 71C if lamp I on fans on 78C fans on otherwise if lamp I is on fans will be on.
75: Problems/Bugs Fix: Bug fixed in current control during homing of Rotating Litho
76: No info available.
77: Problems/Bugs Fix: Fixes position bug in CMY flag production homing. Closes CMY flags slightly more to insure a fully closed and repeatable fully saturated position.
- Tim
Good morning!
Thanks for the prompt reply, the revisions up to 76 don't really apply to me, although the CMY flag issue may explain why I have different graduation of colour between some fixtures.
