Panasonic GM1 Series Reference Manual page 4

Glossary
E-point control
This refers to movement up to an "End Point" and, in this manual, this control is referred to as
"E-point control". This method is used for a single-speed acceleration/deceleration.
P-point control
This refers to control which passes through a "Pass Point", and is called "P point control" in
this manual. This method is used when a multi-stage target speed is to be specified.
Startup time
This is the time from when the startup signal is output from the CPU to when the pulse output
is issued from the pulse output unit. In the Pulse / Sign mode, the signal for specifying a
rotation direction is output immediately following the startup, and the pulse output starts after
the time specified with the Pulse_4Axes parameters (0.001 ms / 0.005 ms / 0.02 ms).
Acceleration / deceleration
This refers to acceleration from the startup speed to the target speed after the pulse output is
issued or deceleration from the target speed to the startup speed.
CW, CCW
Generally, these indicate the direction in which the motor is rotating, with CW referring to
clockwise rotation and CCW to counterclockwise rotation. CW is an abbreviation for clockwise
and CCW is an abbreviation for counterclockwise.
CW / CCW output method (2-pulse output method)
This is a method in which control is carried out using two pulses, a forward rotation pulse and
a reverse rotation pulse.
Pulse / Sign output method (1-pulse output method)
This is a method in which control is carried out using one pulse to specify the speed and ON /
OFF signals to specify the direction of rotation.
Absolute method (absolute value control method)
This is a control method in which the target position is specified as an absolute position from
the home position.
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