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Author Topic: CPU not going into run mode  (Read 8780 times)

georgeyates

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CPU not going into run mode
« on: August 20, 2019, 06:13:32 AM »
Powered up a machine the other day that uses a 340 CPU. CPU did not go into run mode. Tried to go online with it and I could not connect. Got called away to another machine and when I got back run light was on and I could connect.

Power light on CPU was on the whole time. Also this is in a old TI 305 rack. Do not know if that could be the issue since the power supply is part of the rack.

Has anyone seen this before?
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ADC Product Engineer

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Re: CPU not going into run mode
« Reply #1 on: August 20, 2019, 08:17:48 AM »
Fairly common in those old 305 bases.   The electrolytic caps dry out and they take forever to start up.  Get a new base from Automationdirect.com.
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Controls Guy

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Re: CPU not going into run mode
« Reply #2 on: August 20, 2019, 11:24:23 AM »
Yep, ditto.  Have experienced this a couple times myself.  ADC sells both adressing mode style racks.  I upgraded the last one I did.
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I retract my earlier statement that half of all politicians are crooks.  Half of all politicians are NOT crooks.  There.
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