Which planner are you using and what are your settings... G64 etc.

G64 will combine segments into larger moves to smooth things out.   That 
may explain whey you see them combined into one "step".

What happens if you move M5 to it's own line?

Dave

On 5/29/2015 9:05 AM, Len Shelton wrote:
> So after further examination, it seems that if the moves are small, they
> get combined into a single "step".
>
> And here's another oddity... so lets say I have a feed move on line 10
> and a rapid move on line 11 with an M5 like this:
>
> N10 G1 X-4.0 F30
> N11 G0 Z2.0 M5
>
> Single step to line 10 will move the X to -4 and then shut the spindle
> off. Then single step again will move the Z to 2. Hmm. The spindle
> shouldn't shut off until the second step, not the first.
>
>   >Len
>
>
>
> When I single block to line 10
> On 5/29/2015 7:53 AM, Len Shelton wrote:
>> Yes - the on-screen control does the same things. It is multiple lines
>> even when those lines all have moves. And sometimes it will do a single
>> line such as M8 on a line by itself - without a move in it.
>>
>> In my mind, single block should be single block even if they do not have
>> a move.
>>
>>    >Len
>>
>> On 5/29/2015 7:36 AM, andy pugh wrote:
>>> On 29 May 2015 at 13:05, Len Shelton <[email protected]> wrote:
>>>> It seems random, sometimes
>>>> one line, sometimes, 5, sometimes 18, etc. Anyone else observe this
>>>> behaviour?
>>> Is this possibly a consequence of switch-bounce?
>>>
>>> (Do you see the same behaviour with a screen-button rather than a
>>> physical button?)
>>>
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