TRIO MPC-165 SERIES MICROMANIPULATOR SYSTEM OPERATION MANUAL – REV. 2.67K2 (20201130) (FW V2.62)
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4.6
Microsteps and Microns (Micrometers)
All coordinates sent to and received from the controller are in microsteps. To convert
between microsteps and microns (micrometers), use the following conversion factors
(multipliers):
Table 4-2. Microns/microsteps conversion
TRIO MPC-100 Controller with Device
From/To Units Conversion Factor
(multiplier)
MP-865/M* micromanipulator
µsteps
µm
0.09375
µm
µsteps
10.66666666667
MP-285/M** micromanipulator
µsteps
µm
0.125
µm
µsteps
8
* The same applies also to the MP-845[S]/M and MP-245/M (discontinued) with DB25 to
DB26HD adapter.
** The same applies also to the 3DMS or MT-78 stage, MOM or SOM objective mover, and
MP-265/M micromanipulator (discontinued).
For accuracy in your application, type these conversion factors as “double” (avoid using the
“float” type as it lacks precision with large values). When converting to microsteps, type the
result as a 32-bit “unsigned long” (C/C++), “uint32” (MATLAB), or “U32” (LabVIEW)
integer (positive only) value. When converting to microns, type the result as a “double”
(C/C++, MATLAB) or “DBL” (LabVIEW) 64-bit double-precision floating-point value.
4.7
Travel Ranges and Bounds
The following table shows the travel ranges and bounds for supported devices.
Table 4-3. Ranges and bounds
Device
Axis
Len.
(mm)
Origin
Microns
(Micrometers
(µm))
Microsteps
(µsteps)
MP-865/M micromanipulator
X
50
BOT
0 – 50,000
0 – 533,333
Y
12.5
BOT
0 – 12,500
0 – 133,333
Z
25
BOT
0 – 25,000
0 – 266,667
MP-845[S]/M * micromanipulator
X, Y, Z
25
BOT
0 – 25,000
0 – 266,667
MP-285/M** micromanipulator
X, Y, Z
25
BOT
0 – 25,000
0 – 200,000
* The
same applies also to the MP-245/M micromanipulator (discontinued) with DB25 to
DB26HD adapter.
** The same applies also to the 3DMS & MT-78 stages, and MOM & SOM objective movers,
and MP-265/M micromanipulator (discontinued) with 12.5mm for Y axis,
NOTE: Origin is a physical position of travel that defines the center of the absolute position
coordinate system (i.e., absolute position 0).
Physical Positions: BOT (Beginning Of Travel), COT (Center Of Travel), & EOT (End Of
Travel).
In the TRIO MPC-100, the Origin is fixed at BOT.
NOTE: Travel length of each axis is automatically determined by end-of-travel sensor.
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