Hydro:Evolved User Manual
Page 244 © 2022 Smartrise Engineering, Inc. All Rights Reserved October 2022
31 Emergency
Emergency situations can occur due to natural or other conditions.
31.1 Emergency Power
Emergency power is activated when mainline power is interrupted and generator power allows
elevators to continue operation. During emergency power, the S-Curve is set to the emergency
power profile.
Parameter 08-0145 defines if the emergency group priority is running on a single group or
multiple group operation. For the list of parameters, see the Hydro:Evolved Parameter List.
The table below lists the Inputs Used by the Controller for Emergency Power.
Table 49: Inputs Used by the Controller for Emergency Power
Signals the controller that the car is on emergency
power. When this input is active, the controller stops
the car until the Generator Up to Speed is active.
Signals the controller that the generator is supplying
the power to operate the car(s). When this input is
active, the car goes into normal operation if selected
by the user or dispatcher.
Changes from generator power to normal power or
vice versa. When this input is active, the controller
comes to a stop to the nearest landing and opens the
door.
31.1.1 Earthquake Modes
Earthquake events are the highest priority during emergency situations. The enable earthquake
can be enabled for when seismic activity is high.
The earthquake events are:
• Earthquake Seismic Event
• Earthquake Counter-Weight Derail Event
See section 31.2 Earthquake.
31.1.2 Privileged Modes
Each car operates independently. If a car remains idle during recall, the car is put out of service
(OOS) until the emergency power service cycle is complete. Privileged modes of car operation
can postpone car recalls until they become idle for 2-3 minutes set by parameter 08-0232. If
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