Curtis PMC 1223/33, 1225/35, 1227/37 Manual
47
“Drive,” the controller will limit the vehicle’s maximum speed to the specified
emergency reverse speed regardless of mode or direction. This allows the vehicle
to be moved out of the way or driven back to the maintenance area for repair. If
configured as “disable,” the controller will inhibit all output to the motor until
the emergency reverse wiring fault has been corrected.
OEM specifies ➤ Drive or Disable Default setting ➤ Drive
SWITCH TYPE
The direction and mode selection switches can be specified as either momentary or
on/off. If a power enable switch will be used, it must be specified as a momentary
switch. Typically, the OEM specifies these three switches (direction, mode, power
enable) to be all momentary or all on/off, and not a combination of the two styles.
(NOTE: When on/off switches are specified, a power enable switch is not used and
the power enable pin is an output that drives the Status LED.) Consult Curtis
applications engineers if your application requires such a combination.
OEM specifies ➤ Momentary or On/Off
INPUT POLARITIES
With the exception of the keyswitch input (which must be active high), each of
the controller’s control signal inputs can be configured as active high or active low.
If an input is configured to be active high, the control function is recognized when
that input is pulled to battery B+. If an input is configured to be active low, the
control function is recognized when that input is pulled to battery B-. The
standard configuration is for all inputs to be active high with the exception of the
inhibit input, which is active low. Although each input can be configured either
active high or active low, there are some limitations on the allowable combina-
tions.
OEM specifies ➤ Active: High or Low Default setting ➤ Active High
(for each input) (all except inhibit input)
EMERGENCY REVERSE (123X models only)
This parameter defines whether the emergency reverse function is active. The
emergency reverse feature is typically used on vehicles with tiller handle control
and a belly button switch. This feature automatically transitions the vehicle to the
reverse direction—away from the operator—when the belly button switch is
engaged.
OEM specifies ➤ On or Off Default setting ➤ Off
4 — OEM-SPECIFIED, FACTORY-SET PARAMETERS
Other Parameters
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