Load control [RE-wrenches]

[William Miller]

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Friends:

Thanks to Bob-O and others for feedback.  This application has a Heart 
Interface that won't die.  I'm still nostalgic for the 120/240 output.....

I know the C40 is PWM for charge control, but was unaware it is PWM for 
load control.  My data acquisition curve shows simple on/off 
switching.  Maybe my sample rate is too low to show PWM?

In any event the failure of two C40s to work reliably tells me it's the 
wrong device.  Solar Converter may have a device.  What about Morning 
star?  Now that I'm typing this, I realize I have a two channel voltage 
controlled switch in the shop.  APC, methinks....

William


At 05:31 PM 11/5/2004, you wrote:

>William,
>The C40 is a PWM controller with no adjustment for turn on, turn off. 
>Inappropriate for driving a relay or any motor load. It should be used for 
>resistive loads only. You need a very simple voltage controlled switch 
>with adjustable on and off points to drive the relay. If you are using an 
>SW inverter, you've got it built in already. If an SW+, buy the ALM module.
>bob-O
>>Friends:

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