Hypertherm HTA Rev 6.00 Install Guide - Manual (Page 76)

64 Installation & Setup Guide
Drive Type
This parameter is used to tell the control what type of control loop to run. If you are running an
external velocity loop drive (indicated by having an integrated tachometer in the motor), select
Velocity. If you are running in torque mode (no tachometer), select Current.
DAC Polarity
This parameter allows changing of the analog output polarity to establish proper control loop
feedback without any wiring changes.
Encoder Polarity
This parameter allows changing of the encoder input polarity to establish proper counting for positive
machine motion without any wiring changes.
Encoder Decode Mode
Currently the control only supports 4X encoder decode mode. This has been done to increase
positional accuracy.
Use Home Limit Switch
Selecting “Yes” will enable the Home feature for the Dual Gantry Axis. Note: The Z Home Switch
must first be defined and mapped to an input location in the I/O screen to enable this feature.
Switch Offset Distance
The Switch Offset Distance is used to specify any physical position offset between the Dual Gantry
and Rail Home Switch positions. This allows the control to very accurately position the two axes for
operation and remove any skew of the gantry.
Backlash Compensation
The Backlash Compensation parameter is used to offset or compensate for any backlash in the
mechanics of the drive system.