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5-52
Motor, Mechanical Axis System, Measuring Systems
Pertinent Parameters
Absolute Encoder Precision
Resolution (Division Periods)
Note:
The following applies to these parameters:
• In the case of motors with encoder data memory (MHD,
MKD, MKE), P-0-0077 is automatically set correctly!
• In the case of motors without encoder data memory (2AD,
ADF, rotary and linear kit motors), P-0-0077 must be set
manually!
• In the case of optional encoders, P-0-0078 must be set
manually, too.
• S-0-0051, Position feedback 1 value
• S-0-0053, Position feedback 2 value
• S-0-0115, Position feedback 2 type
• S-0-0116, Feedback 1 Resolution
• S-0-0117, Feedback 2 Resolution
• S-0-0256, Multiplication 1
• S-0-0257, Multiplication 2
• S-0-0277, Position feedback 1 type
• S-0-0278, Maximum travel range
• P-0-0074, Encoder type 1 (motor encoder)
• P-0-0075, Encoder type 2 (optional encoder)
• P-0-0129, Internal position data format
Functional Description
The absolute precision is a feature of the encoder and is determined by
its construction and the quality of its components. The data for the
absolute precision are indicated by the manufacturer of the encoder.
The resolution of the measuring system (division periods) is entered in the
following parameters:
• S-0-0116, Feedback 1 Resolution
• S-0-0117, Feedback 2 Resolution
Note:
Generally, the following applies:
• feedback 1 means "motor encoder"
• feedback 2 means "external or optional encoder"
The value of S-0-0116 or S-0-0117 can mean:
• in the case of rotary motor encoders or external rotary encoders, the
number of division periods or cycles per encoder revolution (DP/rev)
• in the case of linear motor encoders (used for linear motors) or
external linear encoders, the length of the division period in mm
(mm/line count)
• in the case of resolvers as motor encoders or external resolver
encoders, the number of pole pairs of the resolver
The significance of the value of S-0-0116 is determined in parameter
P-0-4014, Type of construction of motor (rotary or linear motor).
MPH-02, MPB-02, MPD-02
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
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