CONTREX MLP-Drive - Manual (Page 151)

Glossary - 3
GLOSSARY
Acceleration/Deceleration Acceleration Time (CP-16) and Deceleration Time (CP-17)
control the rate of speed change in response to setpoint
changes. These parameters apply to both the Master and
Follower modes of operation.
Acceleration Time See Appendix C; CP-16.
Alarms See Appendix C; CP-10, 11, 12, 13, 14, or 15.
Calibration Calibration sets the current limit of the MLP-Drive and
monitors the current limit.
Closed loop A system that is controlled by manipulating the output
based on error (setpoint - feedback).
Closed Loop Compensation A mathematical term for a control algorithm that resolves
(PID) Software
the control error (feedback - setpoint) to zero.
Output = Kp X Error + K
I
∫
Error dt + K
D
dError/dt
PID represents “Proportional + Integral + Derivative”.
Code Select Key Press this key prior to entering a Parameter Code (either a
Control Parameter or a Monitor Parameter).
Control Command Send The Control Command Send allows the host computer to
control the operating functions of the MLP-Drive that are
associated with the Logic inputs (Run, Stop, Setpoint
Select and Master/Follower).
Control Parameters Control Parameters allow you to enter data that is unique
to your system (e.g., encoder resolution, Lead to Follower
ratios) and modify the MLP-Drive's operation for your
specific application (e.g., maximum RPMs, setpoints,
acceleration/deceleration ramp rates). There are Control
Parameters for Direct mode, Master (stand-alone) mode,