Re: Preventing Pier Crashes
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Joe Zeglinski
Ray,
I have been away from the APCC for quite a
while. Please remind me
- Does the APCC firmware itself, check whether it is
communicating with a CP3, CP4, or CP5 – and handles the “software mode” Limits
& Meridian switch points, itself? Or, does the user have to make
sure the controller is “user configured” in the APCC, as is done for the
Keypad?
I assume it is automated, to avoid
confusion and possible improper mount behaviour.
Joe
From: Ray Gralak
Sent: Saturday, July 24, 2021 8:21 AM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] Preventing Pier Crashes Hi
Alex, Are the collision zones you mentioned in counterweight-up or counterweight-down position? APCC's Meridian Tracking Limits feature is designed to stop *tracking* at an hour angle limit and define mount flip points. If your 1100 has a CP4 its firmware handles counterweight-up slews in a "safe" manner by always moving RA first to a counterweight-down position, then slewing to a target. Additionally, if the target is counterweight-up, then the last slew will be in RA only also. (If your mount has a CP3 controller, then APCC performs these moves instead of the mount firmware.) -Ray
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