Re: YD8008 with YD6940 and Kato Unitrack turnouts
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Graham, ? I wonder if the YD8008 are the correct switches to be using with Kato turnouts. The common use for the YD8008 is power hungry solenoids such as the Peco/Seep style that need a real thump of current to move. The Kato items I have dealt with work reliably with a much lower power requirement. ? With the YD8008 being a CDU there can be a delay in the capacitors charging up (time varies on the power supply) and this may be why you are having challenges. Personally, I would have thought that the YD8116 would work perfectly for your turnouts. ? Iain Morrison ?
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From: [email protected] <[email protected]> On Behalf Of grahammjmason via groups.io
Sent: 29 January 2025 16:06
To: [email protected]
Subject: YD8008 with YD6940 and Kato Unitrack turnouts? I'm having problems with the reliability when using this combination with iTrain. They occur mostly in automatic mode but do also? when manually operating individual turnouts or when using the track route button in iTrain. The issues mostly occur with the double crossover (KTO20210) where occasionally it fails to operate.? I'm using two of these and the same problem occurs with both. The pulse time in the YD8008 is set to 300ms for the ordinary turnouts and 650ms for the double crossovers.? I've increased the pulse times gradually in an effort to improve the situation.? Most ordinary turnouts work okay.? I'm currently using three YD8008s all with YD6940s.? I'm using a 12 volt dc 3 amp power supply. Is there a recommended pulse time for Kato Unitrack turnouts in order to get the optimum from the switching process? I'm using the default settings in iTrain of 250ms for the activation time. In simulation mode and in live mode iTrain behaves as expected ie all turnouts operate on the switchboard.? So I can see when routes are set that the turnouts have changed on the switchboard but have not moved on the physical layout.? Also the problems seem to occur some way into an operating session, so they are nearly always okay for the first few train movements. Would appreciate some advice from someone who may have a similar setup.
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