On 5/10/2013 10:29 AM, Norton Allen wrote:
>
> Without a power interlock, what conditions will turn the machine off?

I am running with just the emcrsh interface.

Step 1: virtually disconnect the home switch from the limit pins.
Startup and drive 2 inches off the limit. Shutdown emc
Step 2: virtually reconnect the home switch to the limit pins. Startup:

  * Verify machine is on, estop is off, joint_limit is OK
  * set mode manual
  * set home 0

The following appears on the console where I'm running emc:

    joint 0 on limit switch error
    emc/task/taskintf.cc 611: Error on axis 0, command number 76
    command (EMC_AXIS_HOME) cannot be executed until the machine is out
    of E-stop and turned on

Here is the relevant definition from the .ini file:

    [AXIS_0]
    TYPE = LINEAR
    MAX_VELOCITY = .40
    MAX_ACCELERATION = 1.0
    STEPGEN_MAXACCEL = 1.25
    SCALE = 4000.0
    FERROR = 0.05
    MIN_FERROR = 0.01
    MIN_LIMIT = -0.1
    MAX_LIMIT = 63.85
    HOME = 0.0
    #HOME_OFFSET = -0.12
    HOME_OFFSET = -0.62
    USE_INDEX = FALSE
    HOME_SEARCH_VEL = -0.2
    HOME_LATCH_VEL = -0.1
    HOME_FINAL_VELOCITY = 0.4
    HOME_IGNORE_LIMITS = YES

Specifically HOME_IGNORE_LIMITS, which should deal with this case. Is
there something obvious I'm missing?

I have verified that the box actually moves via the web camera.

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