Festo EMCA-EC-67 CO Series, Description

Page: 142 / 416

9 Measuring reference system
142 Festo – EMCA-EC-C-HP-EN – 2017-11e – English
9.1.1 Dimension reference system for linear drives
Example: Linear drive with limited working stroke
1
Ref AZ
a b c
PZ
d e
TP/AP
SLP
SLN
2
Run positive (+)
Larger setpoint value
LSN LSP
Run negative (–)
Smaller setpoint value
M
Index Description PNU Page
Ref Reference point (Reference point)
AZ Axis zero point (Axis Zero point)
PZ Project zero point (Project zero point) 500 291
SLN Negative software limit (SW limit negative) 501.1 291
SLP Positive software limit (SW limit positive) 501.2 291
LSN Limit switch negative (hardware)
LSP Limit switch positive (hardware)
SP Target position (Target position)
AP Actual position (Actual position)
a Offset axis zero point (AZ) 1010 306
b Offset project zero point (PZ) FCT
c Offset target/actual position (TP/AP) FCT
d Offset software end position negative (SLN)
1)
FCT
e Offset software end position positive (SLP)
1)
FCT
1
Usable range (working stroke) FCT
2
Usable work range of the drive (working stroke) FCT
1) If an axis is configured with an unlimited work range, no software end positions can be parameterised.
Tab. 9.1 Dimension system for linear drives