> > -Original Message-
> > From: Nicklas Karlsson [mailto:nicklas.karlsso...@gmail.com]
> > Sent: April-08-18 9:52 AM
> > To: Enhanced Machine Controller (EMC)
> > Subject: Re: [Emc-users] ESTOP and Drive Enable handling. (SAFE OFF)
> >
> > O
> -Original Message-
> From: Nicklas Karlsson [mailto:nicklas.karlsso...@gmail.com]
> Sent: April-08-18 9:52 AM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] ESTOP and Drive Enable handling. (SAFE OFF)
>
> On Wed, 4 Apr 2018 12:57:03 -0700
>
On Wed, 4 Apr 2018 12:57:03 -0700
"John Dammeyer" wrote:
> In the past ESTOP appeared to be pretty simple a 12V or 24V control signal
> was routed through any number of Normally Closed (NC) switches and then run
> into relays and or opto-isolated inputs. Any ESTOP even would then interrupt
> t
lt to
low? Normally termination for an RS485 circuit is between 100 and 120 ohms.
John
> -Original Message-
> From: Rene Hopf [mailto:reneh...@mac.com]
> Sent: April-04-18 4:16 PM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] ESTOP and Drive Enable ha
> On 4. Apr 2018, at 21:57, John Dammeyer wrote:
>
> The STMBL AC Servo drive I'm currently working with has an ENABLE high input.
> So when Low it's disabled and stepping pulses can't move the motor.
its not supposed to be like that. it should be active low. I will ad a inverted
pin to the
Ideally the e-stop would be fail safe. This means if a wire comes
loose, something gets shorted or whatever the machine stops.It is
designed so that some positive action is required to make the motors
spin.
Alarm systems are like this to. The normal signal is a "hot" wire so
that if the cab
On Wed, 4 Apr 2018, John Dammeyer wrote:
Date: Wed, 4 Apr 2018 12:57:03 -0700
From: John Dammeyer
Reply-To: "Enhanced Machine Controller (EMC)"
To: "'Enhanced Machine Controller (EMC)'"
Subject: [Emc-users] ESTOP and Drive Enable handling.
In the past ESTOP appeared to be pretty simple a