Festo CMMD-AS series, Description

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4 Dimension reference system
Festo – GDCP-CMMS/D-FW-EN – 1404NH – English 75
4 Measuring system
4.1 Measuring system for electrical drives
4.1.1 Measuring system for linear drives
Example: Homing method “limit switch”, negative direction
REF AZ
a b c
PZ
d e
TP/AP
SLP
SLN
Run positive (+)
LSN LSP
Run negative (–)
M
1
2
REF Homing point (reference point)
1)
AZ Axis zero point
1)
PZ Project zero point
SLN Negative software end position (SW limit negative)
SLP Positive software end position (SW limit positive)
LSN Limit switch (hardware) negative (Limit switch negative)
1)
LSP Limit switch (hardware) positive (Limit switch positive)
1)
SP Target position
AP Actual position1)
a Offset “axis zero point (AZ)”
b Offset “project zero point (PZ)”
c Offset “target/actual position (TP/AP)”
d Offset “Software end position negative (SLN)”
e Offset “Software end position positive (SLP)”
1
Effective stroke
2
Working stroke (no hardware limit switches)
1) Additional information page 161.
Tab. 4.1 Measuring system for linear drives
Additional information CD-ROM: Documentation “CMMS-AS_de.pdf/CMMS-ST_de.pdf/CMMD-
AS_de.pdf ” or the Festo Configuration Tool (FCT): Dynamic/static plug-in help.