User guide
Command Inputs CME 2 User Guide
78 Copley Controls
Count Up/Count Down Format
In the count up/count down format, one input takes each pulse as a positive step
command, and another takes each pulse as a negative step command, as shown below.
Up Input
Velocity
Command
Down Input
The amplifier can be set to increment position on the rising or falling edge of the signal.
Stepping resolution can be programmed for electronic gearing.
Quadrature Format
In quadrature format, A/B quadrature commands from a master encoder provide velocity
and direction commands, as shown below.
B Input
Velocity
Command
A Input
The ratio can be programmed for electronic gearing.
7.4: Software Programmed Input Settings
These settings can be saved to flash to allow default conditions to be set and used when
the amplifier is powered up or reset.
!
DANGER
Potential for unexpected movement.
If Programmed Velocity or Programmed Current are set to values other than 0,
the motor will move after power-up or reset if the amplifier is hardware enabled.
Failure to heed this warning can cause equipment damage, injury, or death.