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Diagnostics Optimization CT MODBUS RTU Technical Data
316 E300 Design Guide
Issue Number: 1
When this feature is enabled floor sensor correction and direct to floor using a stop input is disabled.
When set to Off (0), rapid slow down is disabled.
When set to On (1), and Elevator Control Mode (H19) = Creep To Floor (0), Peak Curve Enable (G41) = Off (0) (peak curve is disabled), rapid slow
down is enabled. This mode of operation is intended for Creep to floor elevator controllers that do not handle peak curve operation, where under
normal circumstances the selected speed is reached prior to slowing to the creep speed defined by Creep Speed Select (G52).
Under emergency conditions the elevator controller may request the elevator drive to slow down before constant speed is reached i.e. during
acceleration, and under these circumstances when Rapid Slow Down Enable (H27) = On (1), the profile is modified such that the speed will not
increase further, and Fast Stop Deceleration Rate (G29) is used and a fixed 200ms jerk is applied, to bring the elevator car to the creep speed defined
by Creep Speed Select (G52) as rapidly as possible. The creep speed defined by Creep Speed Select (G52) is used until the elevator controller
deselects it.
This parameter is used to define the threshold level for a temperature monitoring trip to be generated. If either of the following drive temperature
levels, Monitored Temperature 1 (J71), Monitored Temperature 2 (J72) or Monitored Temperature 3 (J73) reaches or falls below the threshold value
on completion of the travel a Trip 60 (Freeze protect) will be generated notifying the user that the system is operating outside the recommended
temperature. This trip can only occuur when Elevator Software State (J03) = 0 (Idle).
H27 Rapid Slow Down Enable
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum 1
Default 0 Units
Type 1 Bit User Save Update Rate Background
Display Format Standard Decimal Places 0
Coding RW
Time
Speed
Fast stop requested
Fast stop enable (H26)
V1 Creep speed to V10 speed reference selected
Direction signal
H28 Freeze Protection Threshold
Mode Open-Loop, RFC-A, RFC-S
Minimum -10 Maximum 0
Default 0 Units ° C
Type 16 Bit User Save Update Rate Background
Display Format Standard Decimal Places 0
Coding RW
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