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Diagnostics Optimization CT MODBUS RTU Technical Data
314 E300 Design Guide
Issue Number: 1
In the event that the creep speed defined by Creep Speed Select (G52) is deselected during operation the Run Jerk 2 (G14), Run Jerk 3 (G15), Run
Jerk 4 (G16) and Deceleration Rate (G12) will be used to bring the elevator car to a stop. This is because Creep Stop Deceleration Rate (G17) and
Creep Stop Jerk (G18) are often set to high values to improve accuracy which would result in an abrupt stop affecting ride comfort.
When Short Floor Landing Enable (H22) = On (1), Start optimization is not performed.
This mode of operation is not available in Direct to floor.
When set to Off (0), floor sensor correction is disabled.
When set to On (1), floor sensor correction is enabled where a floor sensor / limit switch is used to compensate for rope slip, rope stretch and other
mechanical offsets.
Floor Sensor Correction Target Distance (G31) sets the distance from the floor sensor to the floor level in mm.
Remaining Floor Sensor Correction Distance (J47) shows the remaining distance to the floor in mm.
In Creep to floor mode, Elevator Control Mode (H19) = Off (0) and Floor Sensor Correction Source Select (H24) = Off (1), floor sensor correction is
performed on detection of a signal from an external sensor. When the sensor input is triggered the elevator will come to a stop with Creep speed still
selected. If Creep speed is deselected prior to the floor sensor correction trigger point the final relative position may not match the Floor Sensor
Correction Target Distance (G31). T28 Digital Input 05 State (F07) is used as the floor sensor correction activation input, and Floor Sensor Correction
Edge Detection (H25) selects rising (0) or falling (1) edge detection.
In Creep to floor mode, Elevator Control Mode (H19) = Off (0) and Floor Sensor Correction Source Select (H24) = On (1), when Creep speed is
deselected the distance specified by Floor Sensor Correction Target Distance (G31) is used as the distance control target, for the profile generator to
modify the profile parameters in order to achieve the target distance. The elevator controller must deselect Creep speed at the correct position i.e.
Floor Sensor Correction Target Distance (G31) mm from the target floor.
In D
i
rect to floor mode, Elevator Control Mode (H19) = On (1), or Creep to floor mode, Elevator Control Mode (H19) = Off (0) and Floor Sensor
Correction Source Select (H24) = Off (0), floor sensor correction on detection of a signal from an external sensor. When the sensor input is triggered,
the distance specified by Floor Sensor Correction Target Distance (G31) is used as the distance control target, for the profile generator to modify the
internal profile parameters in order to achieve the target distance. The floor sensor correction scheme will capture the floor position correction in <1 us
in hardware and compensate for the distance travelled from when the input is activated to when the motion is calculated to give accurate positioning.
T28 Digital Input 05 State (F07) is used as the floor sensor correction activation input, and Floor Sensor Correction Edge Detection (H25) selects
rising (0) or falling (1) edge detection.
H23 Floor Sensor Correction Enable
Mode 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, Bit, US
Time
Speed
Creeptofloor
Distance controlled
Drive Enable
Short floor landing enable (H22)
Short floor landing distance (G30)
Creep Speed (selected by H52)
V1 Speed Reference (G1 )to V10 Speed Reference (G10)
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