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3 Product Description
3.7
Suitable Controllers
The version of the M-126 with electric drive must be connected to a suitable controller. The
following controllers from PI are suitable for operating the M-126:
Models
M-126.XG1, M-126.PDx
M-126.2S1
The required PC software is included in the scope of delivery of the controllers from PI.
Operating the controllers is described in the corresponding user manuals.
Note that the cables required for connecting the M-126 to the controller and the required
adapter must be ordered separately.
To order, contact our customer service department (p. 31).
3.8
Technical Features
3.8.1
Encoder
The M-126.XG1 and M-126.PDs models are equipped with an incremental rotary encoder.
A rotary encoder is implemented at a rotating point in the drivetrain, e.g., the motor shaft. The
controller counts the encoder signals, (pulses), in order to determine the relative position.
3.8.2
Limit switches
The M-126.XG1 and M-126.PDx models are equipped with noncontact Hall effect limit switches.
Each limit switch sends its signal to the controller on a dedicated line. The controller then stops
the motion. If the controller does not stop the motion in time, the positioner runs into the hard
stop.
Refer to "Limit Switch Specifications" (p. 35) for further information.
3.8.3
Reference Switch
The M-126.XG1 and M-126.PDx models are equipped with a direction-sensing reference switch
positioned at approx. the midpoint of the travel range. This sensor sends a TTL signal that
indicates whether the positioner is on the positive or negative side of the reference switch.
The commands that use the reference signal are described in the user manual for the
controller.
12
Version: 3.0.0
Controller
C-863, C-884
C-663
MP42E
M-126 Precision Microtranslation Stage
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