appendix b ilc3/lm3d micelect intelligent weighing device version 1.7

appendix b ilc3/lm3d micelect intelligent weighing device version 1.7
APPENDIX B
ILC3/LM3D MICELECT
INTELLIGENT WEIGHING DEVICE
VERSION 1.7
TABLE DES MATIÈRES
1.
QUICK SETUP : ..................................................................................................................................................................... B-1
2.
PRESENTATION : ................................................................................................................................................................. B-3
3.
CHARACTERISTICS : .......................................................................................................................................................... B-3
3.1. ILC3 : .............................................................................................................................................................................. B-3
3.2. LM3D : ............................................................................................................................................................................ B-3
4.
INSTALLATION : .................................................................................................................................................................. B-4
5.
KEYBOARD: .......................................................................................................................................................................... B-5
6.
DISPLAY: ................................................................................................................................................................................ B-5
7.
DETAILED PROGRAMMING: ........................................................................................................................................... B-6
7.1.
7.2.
7.3.
7.4.
7.5.
7.6.
7.7.
7.8.
7.9.
SELECTING THE MEASUREMENT UNIT: .............................................................................................................................. B-6
RELAYS CONFIGURATION: ............................................................................................................................................. B-6
WEIGHING DEVICE CONFIGURATION: ......................................................................................................................... B-7
SYSTEM RESET: ................................................................................................................................................................ B-7
WEIGHT EVALUATION METHOD: ....................................................................................................................................... B-7
CABLES WEIGHT COMPENSATION: ..................................................................................................................................... B-8
ANALOG OUTPUT CONTROL: ............................................................................................................................................. B-9
ADJUSTING THE OPERATION DELAY ON THE «DOOR CLOSED/DISABLE» INPUT» :............................................................. B-9
ADJUSTING THE CORRECTION FACTOR FOR THE "DIAM" OPERATION MODE: ................................................................. B-10
8.
ELEVATOR RIDE ADJUSTMENT WHEN FULL LOAD IN THE CAR: .................................................................... B-11
9.
ERROR CODES: .................................................................................................................................................................. B-11
1. QUICK SETUP :
B-1
B-2
APPENDIX B
INTELLIGENT LOAD WEIGHING DEVICE
ILC3 ET LM3D MODELS
2. PRESENTATION :
• The weighing device measures the load in the car from the tension exerted on the traction cables.
• The weighing device has:
a microprocessor that computes the actual load in the car minus the weight of the electrical cables
hanging under the car.
3 programmable alarms each activating a relay that gives information to the elevator controller.
a current output (0-20ma) which varies according to the load evaluated by the system. This signal
can be used to send a pre-load torque command to the motor drive.
An automatic reset algorithm to continuously ensure the same precision and that without any
human intervention. This reset will be applied each time that the elevator does not move with door
closes since 5 minutes.
IMPORTANT
If the alarm value programmed for relay #1 is above alarm #3, the processor will not perform
automatic reset after 5 minutes. However, all residual values between 5 and 75 lbs will be reset as
they should be. Use this option during full load test of the elevator.
• It is made of aluminum and stainless steel. It was specially designed to resist humidity, which ensures
long-term durability.
• It is specially designed to be adaptable to all cable diameters and that because of its universal supports
(available in different sizes).
3. CHARACTERISTICS :
3.1.
ILC3 :
Input voltage
Capacity
Programmable output
Variable programmable output
Screen
Operation temperature
3.2.
21-48VDC
6 000 kg/10 000 kg (special version)
3 contacts rated 250 volts, 3A
0-20 ma
4 numbers with 7 segments
-10°C/50°C
LM3D :
Input voltage
Capacity
100-240Vac (50-60Hz)
4 000 kg/8 000 kg (special version) if 1 : 1
8 000 kg/16 000 kg (special version) if 2 : 1
B-3
3 contacts rated 250 volts, 3A
0-20 ma
4 numbers with 7 segments
-10°C/50°C
Programmable output
Variable programmable output
Screen
Operation temperature
4. INSTALLATION :
A.
Install the weighing device on the cables, as indicated on the following diagram:
The 2 bolts must be tightened correctly
The cylinder spacers limit the bolts tightening
The cables must stay on the top and bottom cylinders. For the 2 : 1 windings, place the module
where the cables are fixed. For the 1 : 1 windings, place the device directly on top of the car. The
device’s initial calibration may be done at any level.
B.
Make the connections using the drawings supplied with the controller and as per the following
connections:
ILC3 (Connections)
LM3D (Connections)
Green = Analog output 0-20 ma (+)
Red = Power supply (+V)
Yellow = Analog output 0-20 ma (-)
Black = Power supply (-V)
Black = Power supply (-24V/-48V)
Green = Sensor (+S)
Red = Power supply (+24V/+48V)
Yellow = Sensor (-S)
Blue = Closed door signal (Car door contact
120 VAC)
Shield = SHD
Blue-Red = Closed door signal feedback
(connect to neutral terminal 120 VAC)
Grey = Relay 1, open contact
Grey-Brown = Relay 1, common
Brown = Relay 2, common
White = Relay 2, open contact
Pink = Relay 3, open contact
Violet = Relay 3, common
B-4
5. KEYBOARD:
The key "P" allows access to the programming menu and allows saving new values in the memory. To
access the programming menu, press the key "P" for three (3) seconds.
The key "S" allows exiting a menu without modifying a value. When the system is not the programming
menu, that key allows displaying the actual cable compensation weight since the last door opening.
The "▲▼" keys allow scrolling different options and the available numerical values.
6. DISPLAY:
When the system is supplied, the start up screen will appear for a few seconds. The actual weight will be
displayed after. Each of the decimal points has a signification:
• DIS: This indicator represents the state of the internal door closed signal (DISABLE input). Once this
point is visible, the car door should be closed.
• R2: This indicator represents the state of the alarm #2. This point will be visible when the weight
shown on the display will be greater or equal of the alarm 2-programmed level. Relay #2 outputs
follows that signal.
• R3: This point represents the state of the alarm #3. This point will be visible when the weight shown
on the display will be greater or equal of the alarm 3-programmed level. Relay #3 output follows that
signal.
• NEG: This point indicates the value shown is negative compared to the system "ZERO/TARE".
B-5
7. DETAILED PROGRAMMING:
When the module is supplied, press the key "P" for 3 seconds to enter in the programming menu.
7.1.
SELECTING THE MEASUREMENT UNIT:
When the following message appears, press the key "P" to visualize the current measurement
unit. Use the up arrow to modify the measurement unit and press "P" to save.
• Lb : Imperial units of measurement (lbs).
• HG : Metric units of measurement (kilograms).
7.2.
RELAYS CONFIGURATION:
When you press the key "P", the following menu appears:
• Press « P » to access the 3 relays’ configurations.
• Relay #1’s action may be reversed or not using the arrows.
r1 H : Relay #1’s contact closes if the estimated weight becomes greater than the
programmed level. Always make sure that the letter « H » is chosen. The letter « L »
reverses the contact’s functioning.
1000
• Use the arrows to increase or decrease the weight corresponding to relay #1’s alarm. Press
« P » to save the value and to move on to the next relay.
• Proceed the same way to program relays #2 and #3.
Relays #1, #2 and #3 :
These relays allow having 3 adjustable alarm levels according to the elevator controller’s needs:
• Relay #1 : This relay corresponds to an optional weight limit at the lobby « LW3 » and is
generally used in 2 car groups and more. When the contact is closed, the opened door time
(generally longer) is bypassed at the lobby floor. This alarm is generally programmed at 25%
of the elevator maximum load.
• Relay #2 : This relay corresponds to the weight limit to ignore hall calls and just reaches car
calls « LW1 » . This alarm is generally programmed at 40% of the maximum car load. When
B-6
the relay contact is closed, the elevator will be placed out of the group and will ignore hall
calls.
• Relay #3: This relay corresponds to the car overload weight « LW2 ». Once this level has been
reached, the elevator can’t start. The analog output then provides 20ma. It is important to
program this one if you use the zero to 20ma analog output because the value of this relay
determines the scale used by the preload torque command.
IMPORTANT
If the alarm value programmed for relay #1 is above alarm #3, the processor will not perform
automatic reset after 5 minutes. However, all residual values between 5 and 75 lbs will be reset
as they should be.
7.3.
WEIGHING DEVICE CONFIGURATION:
After relays programming, the following menu will appear:
• Press "P" to access the operation configuration to evaluate the weight.
• Press "S" to exit the configuration menu.
7.4.
SYSTEM RESET:
The system can be manually reset at every floor. As soon as the zero/tare function is performed,
the weight evaluated will be positive when the elevator moves up
The processor will not accept any negative weight when the car is not moving. The processor
algorithm when required will execute an automatic reset.
• Press "P" to access the reset menu.
• Using the arrows, choose the following options:
YES : When « P » is pressed, the user has 4 seconds to leave the car top if the weighing
device is installed there. The system will be reset.
NO: No effect and the system goes to the other menu.
• Press "P" once the selection is done.
7.5.
WEIGHT EVALUATION METHOD:
The next menu indicates the method used for weight evaluation.
B-7
The processor uses the cable diameter to compute the weight. When the key "P" is pressed, the
user must indicate cable diameter in millimeters.
16.0
The following screen shows the actual diameter in millimeters that will be used to evaluate the
weight. Use the arrows to increase or decrease the value.
25.4 mm per inch
Example:
Cable 5/8 = 5 ÷ 8 × 25.4 = 15.875 mm
Generally, the value to enter is written on the two sleeves of the mounting kit. Once the diameter
is written, press "P" to save. The load curve is now calibrated. The system precision should be
around 30 lbs.
A subsequent menu « dCor » will allow to adjust the display precision. For elevators with a 2
: 1 cable ratio, the calculated weight may be doubled.
7.6.
CABLES WEIGHT COMPENSATION:
The following menu indicates to the microprocessor if cable compensation should be used or not.
Press "P" to select the compensation.
• Using the arrows to select the following options:
YES: when "P" is pressed, the processor will activate the cable compensation. The "Door
closed/Disable" 120 VAC input must be connected for proper compensation operation: 120
volts when door is closed and no voltage when the car door begins to open.
If the "Door closed/Disable" internal signal (left decimal point on the display) takes too
much time to turn off, people can get in out and the compensation value will be
corrupted.
The compensation value is always validated and reset by the processor if required.
NO: No cable weight compensation. For elevators with six floors and less, the cable
compensation is not required necessarily.
• Press "P" to save.
B-8
7.7.
ANALOG OUTPUT CONTROL:
The following menu allows to activate or not the 0 20ma analog output. Press "P" to activate or
not.
• Use the arrows to select the following options:
YES: When the key "P" is pressed, the analog output is activated. The output value will
follow the display. The "Door closed/Disable" input latches the analog output current when
the door is closed. A maximum current of 20ma will be present at the output as soon as the
displayed weight becomes greater or equal to the alarm #3 parameters.
NO: The analog output is deactivated.
• Press "P" when the selection is done.
7.8.
ADJUSTING THE OPERATION DELAY ON THE «DOOR CLOSED/DISABLE»
INPUT» :
The decimal point on the left side of the display represents the internal state of the door-closed
signal. When the option "CHAI" is at "YES", an off delay must be programmed to ensure the
weighing system will not be affected during the door pre-opening in floor approach (levelling).
The following menu allows to increase or to decrease the delay at door opening.
• Press "P" to access the delay.
85
The delay is in 1/100 of a second.
Example:
85 X 0.01 = 0.85 seconds.
• The delay is factory set at 85 (0.85 sec.). Use the arrows to modify if required and press "P" to
save.
The «Door closed/Disable» signal is connected to the car door contact (PC) at 120 VAC. This
signal allows setting the weight display during movement. The analog output is also set. This
signal is necessary to the microprocessor to determine the electrical cables’ weight which is
added or subtracted when the elevator is moving.
The car door contact opens as soon as the door starts to open. An adjustable delay « off delay »
is indispensable to maintain the processor’s internal « Closed Door/Disable » signal until the car
B-9
stops. This delay, factory set at 0.85 second, is generally enough for the door to be opened at
75 % before the signal is deactivated. When the car door is closed, you can see a decimal point
displayed on the left. The weighing device will display the text « MOVE » when the door is
closed and a load variation is detected.
Example :
• The car is parked at the 1st floor with opened doors and 4 persons enter.
• The doors close and the device sets the value at 750 lbs.
• The car arrives at the 3rd floor. The weight displayed is 750 lbs, but the real weight measured
by the device is 850 lbs. There are 100 lbs of cables that have been added at the 3rd floor. The
device will keep the 100 lbs as a compensation value at the door opening. The doors open, the
weight varies accordingly to the cabin’s back and forth movement. If the 4 persons go out, 0
lbs or a very close number should be displayed. However, the processor keeps the 100 lbs in
regards to the 1st floor. The compensation value will automatically be adjusted in order to
subtract the electrical cables’ weight.
At all times, if the key « S » is pressed, the actual compensation value is displayed.
Adjustment tips:
Put the controller in automatic mode. Stay inside the car and place calls. Estimate the time
when the door begins to open and when the opening is big enough so somebody can get in or
out. Generally, the car movement is done when the door is opened at 75%.
If the delay is too long, somebody can get in or get out during the processor sees a door closed
signal. The compensation value will be corrupted and a residual weight will stay on the
display if all the people get out of the car. Same problem if the delay is too short, the car
movement will not be finished when the door closed signal turns off. The delay 0.85 sec. is
very near the final adjustment. Modify if required.
• In the machine room, you can watch the drive pre-torque command if the current output is
used. Observe the drive pre-torque command on car starts and stops. When people get in or
get out and the car becomes empty, the pre-torque command should always go back to the
required value for an empty car. If not, the delay is too long or too short.
IMPORTANT
The processor algorithm is able to deal with those residual errors and clear them to ensure a
good precision without human intervention. Not all people get in or get out at the same speed.
It will be impossible to find a value for 100% of the situations.
7.9.
ADJUSTING THE CORRECTION FACTOR FOR THE "DIAM" OPERATION MODE:
The system uses "DIAM" mode to compute the load in the car. The displayed weight can be less
or greater than the real weight of a known value. The next menu allows the correction of the
displayed value to get closer of the real value.
B-10
• Press "P" to access the delay.
1.000
It is recommended to put in the car a known weight of 50% or more of the car capacity for a
good precision. The weight evaluated by the processor is multiplied by the correction factor.
Use the arrows to modify the factor and press "P" to save. If the weight displayed is far from
the real value, go back to this menu and make the necessary corrections.
8. ELEVATOR RIDE ADJUSTMENT WHEN FULL LOAD IN THE CAR:
To be able to leave full load in the car to performed drive adjustment, the automatic reset must be turn
off. If not, the weight on the display will return to zero after 5 minutes without any movement.
To turn off the automatic reset, relay #1 alarm level must be programmed greater than the alarm #3
level.
When the drive adjustments are finished, put back the relay #1 alarm level to the previous value.
9. ERROR CODES:
ERROR CODES
ERR1
NO VALUE ENTERED
ERR3
LOW POWER
SOLUTIONS
GO TO PROGRAMMING MENU "P" FOR 3 SEC.
VERIFY POWER SUPPLY
B-11
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