Festo Контроллер двигателя CMMD-AS - Manual (Page 76)

3. Product description
76 Festo P.BE-CMMD-AS-HW-EN 1002NH
The function "Endless positioning" is selected by checking "Working stroke / positioning
range unlimited". The selection is available for user-defined linear and rotation axes as
well as rotation axes from Festo.
Note
Hardware limit switches can be used with unlimited axes only
for homing.
Software end positions are deactivated.
3.7.15 Relative positioning records
When using relative positioning records, observe the following.
The controller is a 16-bit controller. That means, the controller calculates internally
with 65536 increments per revolution.
The controller calculates with whole numbers (integers). For positioning records that
do not have a whole number as the result, the controller rounds up to the next whole
number. This can result in deviations with endless positioning.
Example: Round switch table.
4 positions (90°) 65536:4= 16384 ----> Integer
6 positions (60°) 65536:6= 10922.666
----> The controller positions at 10923.
3.7.16 Adjustment to the axis and motor construction set
Preset parameter records are provided to the user. For optimal operation of the motor-axis
combination, optimisation of the control parameters must always be carried out. All drive
components and sizes of the entire mechanical construction set are available for the
motor series EMMS-AS.
EMMS-AS servo motors to be operated on the CMMD-AS:
EMMS-AS
-40-M / -55-S -TS / -TM / -TSB / -TMB
EMMS-AS -70-S / -70-M / -100-S -RS / -RM / -RSB / -RMB