Specifications

63
NOTE 2: Refer to Parameter 70 - PID MODE for information on the effects of
LOCAL and REMOTE mode when operating the drive in PID mode.
31 UNITS (SPEED/PID UNITS)
This parameter sets the units of the output speed or the PID display on the keypad. The
following choices are available:
sp HERTZ pid CFM (cubic feet per minute)
sp RPM (revolutions per minute) pid GPM (gallons per minute)
sp %HZ (percent Hertz) pid IN (inches)
sp /SEC (units per second) pid FT (feet)
sp /MIN (units per minute) pid /SEC (units per second)
sp /HR (units per hour) pid /MIN (units per minute)
NONE (no units displayed) pid /HR (units per hour)
pid % (percent of PID feedback) pid F (degrees Fahrenheit)
pid PSI (pounds per square inch) pid C (degrees Celsius)
pid FPM (feet per minute) pid MPM (meters per minute)
NOTE: If one of the “pid” units is selected, but the drive is in MANUAL (open-loop) speed
control mode or PID MODE is DISABLED, the displayed speed units will default to
HERTZ.
32 HZ MULT (HERTZ MULTIPLIER)
The HZ MULTIPLIER is used to scale the output speed indication on the display. This
parameter is only active when UNITS is set for sp RPM, sp /SEC, sp /MIN, or sp /HR.
Multiplying the output frequency by the HZ MULTIPLIER will yield the desired speed value
on the display.
Example: The desired speed units is RPM with a standard 60 Hz, 1800 RPM motor. Set
UNITS to sp RPM and set HZ MULT to 30.00. This will result in a display of 1110 RPM
for an output frequency of 37 Hz (37 Hz X 30 = 1110 RPM). Also, if there is a 100:1 gear
reducer in the system, Parameter 33 - UNITS DP below could be set to XX.XX to represent
the output of the gear reducer (11.10 RPM in the example).