Curtis PMC 1297 Manual
48
Lift operation can be prevented during overcurrent conditions or when the battery
state-of-charge is below 20%. These are safety measures to protect the operator and
the pump motor. In addition, both Lift and Lower can be prevented if more than
25% throttle is requested at the time the interlock switch is closed.
PUMP LOCK C/L
The pump lockout current limit parameter allows Lift operation to be
prohibited when the pump motor current exceeds the set threshold. This
threshold is adjustable from 25 amps to more than the controller’s full rated
pump current; the ceiling is 50 amps above the rated current. (The full rated
pump current depends on the controller model; see specifications in Table E-1.)
PUMP LOCK DLY
The pump lockout delay parameter allows a delay after the pump motor
current exceeds the pump lockout current limit before Lift operation is prohib-
ited. The pump lockout delay is adjustable from 0.1 to 25.0 seconds.
PUMP BDI L/O
The pump BDI lockout feature prevents Lift operation when the battery state-
of-charge is below 20%. This parameter can be programmed On or Off. When
programmed On, if the battery S-O-C drops below 20% during a Lift opera-
tion, the Lift in progress will be completed but further Lift requests will be
ignored as long as the battery S-O-C stays below 20%. If programmed Off, the
Lift will continue operating until the undervoltage cutoff point is reached.
PUMP BDI WRN
If the battery state-of-charge is less than 25%, the pump BDI lockout warning
feature beeps the horn twice each time Lift is requested, thus alerting the
operator to the low S-O-C condition. The warning parameter can be pro-
grammed On or Off.
HYD INHIBIT
The hydraulic inhibit feature prevents Lift or Lower operation if the hydraulic
throttle request is >25% when the interlock switch is closed. The hydraulic
inhibit parameter can be programmed On or Off. Sequencing delay (see page
57) can be used to provide a brief delay before controller output is inhibited.
3
B
— PROGRAMMABLE HYDRAULIC PARAMETERS: Lift Lockout
Lift Lockout Parameters
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