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TI71M01D06-01EN 3rd Edition: 2012.12.01
6.1.8 Coordinate Systems
(1) Rotation Coordinate System and Linear Coordinate System
Two coordinate systems, a rotation coordinate system and a linear coordinate system, are
provided. Select the coordinate system to be used according to the system specifications.
The rotation coordinate system is selected at shipment from the factory.
When the rotation coordinate system is used, the software EOT function is set to invalid.
In the rotation coordinate system, coordinates are expressed as "(scaling data -1)" starting
from 0. When the motor has completed a full rotation and returns to the home position, the
coordinate value returns to 0. In the linear coordinate system, the coordinate values do not
return to 0 when the motor rotates more than one rotation from the home position, and the
position is integrated.
<How to switch between the rotation coordinate system and linear coordinate system>
STEP 1 Select [#parameter] from the main menu of the utility software.
STEP 2 Open the Register parameter tab and then the System Setup Register 1 panel.
STEP 3 Select from [Select Coordinate System] in the [System Setup Register].
Rotation Coordinate System
The coordinate range of the rotation coordinate system is as follows:
Command unit: From 0 (value of #112 - 1)
Pulse: From 0 (value of #113 - 1)
#112: Scaling data ratio denominator (on the command unit)
#113: Scaling data ratio numerator (on the pulse unit)
Linear Coordinate System
There are the following restrictions on the coordinate range of the linear coordinate system.
Command unit:
Limit value on the + side: The smaller value of 2147483647 x
and 999999998
Limit value on the - side: The greater value of -2147483647 x
and –999999998
Pulse:
Limit value on the + side: The smaller value of 2147483647 and 999999998
Limit value on the - side: The smaller value of -2147483647 and -999999998
When using the linear coordinate system, a software EOT error occurs if the command unit
instruction value exceeds the coordinate system limit range (ERR44.0: + direction software
EOT, ERR45.0: - direction software EOT).
#113
#112
#113
#112
TIP
#113
#112
#113
#112