jardino
Posts: 105
Joined: Wed Aug 08, 2012 9:03 am
Location: Aberdeenshire, Scotland

Open Collector Drivers Broken

Wed Feb 03, 2016 11:28 am

I was using an Open Collector Driver to drive a small actuator and think I damaged it by overloading it. (Yes, I did have the RPWR pin collected to supply positive.)

The OCD is no longer open, but permanently closed.

To my surprise, all of the OCDs - which weren't in use - now exhibit the same fault. Is this behaviour normal?

Alan.
IT Background: Honeywell H2000 ... CA Naked Mini ... Sinclair QL ... WinTel ... Linux ... Raspberry Pi.

scotty101
Posts: 2798
Joined: Fri Jun 08, 2012 6:03 pm

Re: Open Collector Drivers Broken

Wed Feb 03, 2016 11:33 am

Do you have a part number for the specific device you are using?
Electronic and Computer Engineer
Pi Interests: Home Automation, IOT, Python and Tkinter

jardino
Posts: 105
Joined: Wed Aug 08, 2012 9:03 am
Location: Aberdeenshire, Scotland

Re: Open Collector Drivers Broken

Thu Feb 04, 2016 9:44 am

Hornby R 8243. Is that relevant to the problem?

Alan.
IT Background: Honeywell H2000 ... CA Naked Mini ... Sinclair QL ... WinTel ... Linux ... Raspberry Pi.

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