PI E-871.1A1N, User Manual, Page: 32 / 226

0xF Denominator Of The
Counts-Per-Physical-
Unit Factor Denominator of the factor for converting
impulses to physical units.
The factor for the counts per physical unit of
length specifies the unit of length for position
queries and motion commands in closed-loop
operation. The values of every parameter, whose
unit is either the physical unit of length itself or a
unit of measurement based on it, are
automatically adapted to the set factor. The
factor for the counts per physical unit of length
has no impact on the stability of the servo loop
but is used for the input and output scaling of
position values.
Decimal number
0x7000601 Axis Unit Unit symbol.
For example, the unit symbol is "mm" if the
factor for the counts per physical unit of length
is set with parameters 0xE and 0xF so that the
encoder counts are converted into millimeters.
The unit symbol for rotation stages is normally
"deg".
Examples:
String up to 20 characters
4.9.6 Triggering Motion
Motion is triggered in closed-loop operation either by commands or an HID, e.g., a joystick.
HID control is not possible in open-loop operation.
The motion status of the axes connected to the E-871.1A1N can be queried with the
#5
command.
Motion triggered by commands can be stopped with the following commands:
■
#24 , STP : Abrupt stop
■
HLT : Gentle stop
In both cases, the error code 10 is set for information.
Motion in closed-loop operation
Motion is triggered in closed-loop operation either by commands or an HID, e.g., a joystick.
Motion commands for an axis are not permitted when HID control is activated for the axis.
4 PRODUCT DESCRIPTION PZ285EN
‒
1/30/2019
32
M O T I O N | P O S I T I O N I N G