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Diagnostics Optimization CT MODBUS RTU Technical Data
300 E300 Design Guide
Issue Number: 1
Figure 8-24 Start optimizer
In Open-Loop mode this parameter is not used.
This is the start optimizer maximum speed and is set in mm / s. In Open loop start optimization applies a low speed to provide additional holding
torque prior to brake opening.
Nominal Elevator Speed (E01) defines the maximum limit for this parameter.
This sets the start optimiser jerk in 10 mm / s
3
units where 1 = 10 mm / s
3
. The maximum for this parameter is limited by Run Jerk 1 (G13).
This feature is helps to overcome starting stiction for elevators fitted with a motor output gearbox, or for systems fitted with guide rail pads rather than
rollers. In Open loop mode this parameter is not used.
When Start Optimizer Enable (G45) = On (1), the start optimizer is time is used during starting state 6, to time the period where Start Optimizer Speed
(G46) , and Start Optimizer Jerk (G47) are used to define the start optimiser motion profile. Acceleration maximum during start optimisation is defined
by Acceleration Rate (G11).
This feature is helps to overcome starting stiction for elevators fitted with a motor output gearbox, or for systems fitted with guide rail pads rather than
rollers.
The start optimizer is always used in Open-Loop mode to provide a holding speed reference for brake release. A request to release the
brake in Open-Loop will not be made unless Start Optimizer Speed (G46) is reached.
G46 Start Optimizer Speed
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum
10000
Default 10 Units mm / s
Type 16 Bit User Save Update Rate Background
Display Format Standard Decimal Places 0
Coding RW
G47 Start Optimizer Jerk
Mode Open-Loop, RFC-A, RFC-S
Minimum -VM_EX00_RUN_JERK_1 Maximum VM_EX00_RUN_JERK_1
Default 1 Units
mm / s
3
x 10
Type 16 Bit User Save Update Rate Background
Display Format Standard Decimal Places 0
Coding RW, VM, BU
G48 Start Optimizer Time
Mode RFC-A, RFC-S
Minimum 0 Maximum
10000
Default 1000 Units ms
Type 16 Bit User Save Update Rate Background
Display Format Standard Decimal Places 0
Coding RW
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