Omron FH series User Manual page 478

MEASUREUNIT or MTU
Performs a test measurement on the specified unit.
<Command format>
or
<Response format>
When processing is performed normally
When processing is not performed normally
<Parameters explanation>
Unit No. Specifies the unit number to run a test with: 0 to the uppermost unit model number in the scene.
(Example)
The following sample command runs a test on unit number 5:
<Command>
<Response>
476
Command Control Vision System FH/FZ5 Series User's Manual
for Communications Settings (Z342)