Led - Diagnostic Display - Renishaw MI 12 Installations- Und Anwenderhandbuch

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System status
System status is presented visually
in a continuously updated form,
on the front panel diagnostic LED
display, and by outputs available
from the MI 12 to the CNC control.
Outputs from MI 12
There are four solid state relay
(SSR) outputs, comprising two
probe complementry outputs,
an error output and a low battery
output.
Maximum current ±40 mA peak
Maximum voltage ±50 V peak
EACH SSR OUTPUT IS
PROTECTED FROM OVERLOAD
BY A 62 mA FUSE.
Remote audible indicator
In addition there is one output for
a remote audible indicator or lamp,
which can be located near the
machine operator.
The output will sink 100 mA and
should have no more than +50 V d.c.
applied to it. The output will remain
active for 44 ms after each probe
change of state.

LED - DIAGNOSTIC DISPLAY

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1. Audible indicator (bleeper)
The speaker is behind the front
panel.
2. LED error
Lit when optical beam obstructed,
probe out of range, probe switched
off, etc.
3. LED low battery
Replace probe batteries as soon as
practicable, after this LED lights up.
2 3 4 5 6
4. LED probe status
Lit when probe is seated.
Off when stylus is deflected
or an error has occurred.
5. LED power
Lit when power is on.
6. Start button - switch SW1
Manual start push button.
Press button to switch system
to operating mode.
Alternatively a signal from the
machine control can be used
for the same purpose.
MI 12
MI 12-B