Re: [Emc-users] 7i43 GPIO Input Question

2010-02-20 Thread Michael Buesch
On Saturday 20 February 2010 04:39:59 Flying Electron wrote: Hi, I was using one of the inputs to read my E-STOP button which shorts to ground when triggered, but I kept on getting false positives. I looked at the input pin in halscope and saw a square wave that goes high for 2ms then

Re: [Emc-users] 7i43 GPIO Input Question

2010-02-20 Thread seb
The AnyIO boards already have 10K pull-up resistors on the input pins. -- Sebastian Kuzminsky never be discouraged just let your nerdy flourish -Original Message- From: Michael Buesch m...@bu3sch.de Subj: Re: [Emc-users] 7i43 GPIO Input Question Date: Sat 2010 Feb 20 4:55 Size: 1K

Re: [Emc-users] THC - torch height control

2010-02-20 Thread Dave
On 2/19/2010 11:17 AM, Viesturs Lācis wrote: Dave wrote: Do you think you will have any issues with the ultrasonic sensor and the water mist from the waterjet? I was to work on a waterjet system next week but the project has been delayed. That machine has a constant mist/cloud of water

Re: [Emc-users] 7i43 GPIO Input Question

2010-02-20 Thread Roland Jollivet
You really should not use a 'make' button' on E-stop or critical switches like limit travels. Since they are seldom used, the chances of a contact problem increase over time. Use a 'press to break', and so the switch is always under test. If it fails, you are still safe. Sounds like you'll also