Festo EMCA-EC-67 CO Series, Description

Page: 143 / 416

9 Measuring reference system
Festo – EMCA-EC-C-HP-EN – 2017-11e – English 143
9.1.2 Dimension reference system for rotative drives
Example: rotary drive with limited positioning range
Ref
AZ
a
b
e
PZ
d
1
2
Turn positive (+)
Larger setpoint value
Turn negative (–)
Smaller setpoint value
c
TP/AP
SLP
SLN
LSN
LSP
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 Optional: Offset “Software end position negative (SLN)”
1)
FCT
e Optional: Offset “Software end position positive (SLP)”
1)
FCT
1
Usable range FCT
2
Usable work range of the drive (positioning range) FCT
1) If an axis is configured with an unlimited work range, no software end positions can be parameterised.
Tab. 9.2 Measuring system for rotative drives