lift-master sw420 Manuale Utente
22
MOTOR LEARN FUNCTION (FORCE PROFILE)
This function is preprogrammed at factory. If either board or motor is replaced, the controller will
need to be programmed to “LEARN” the specific motor RPM profile of your operator. Switch “S3” is
provided for this. This is important for accurate force control. Failure to do so may result in improper
and unsafe operation.
This function is preprogrammed at factory. If either board or motor is replaced, the controller will
need to be programmed to “LEARN” the specific motor RPM profile of your operator. Switch “S3” is
provided for this. This is important for accurate force control. Failure to do so may result in improper
and unsafe operation.
To learn the motor:
NOTE: Motor Learn must be performed in stand alone mode.
1. Detach the unit from the gate, the motor needs to be learned without a load.
2. Press the motor learn button. The yellow LED should start to flash rapidly.
3. Install a jumper on either the hard open or the hard close input terminals. The motor will run for a
few seconds and then stop. If the LED goes out the motor is learned. If the unit activates a limit
before completing the learn or some other error occurs the LED will go back to on continuously.
If this happens try learning while running in the opposite direction.
before completing the learn or some other error occurs the LED will go back to on continuously.
If this happens try learning while running in the opposite direction.
NOTE: It is important that the jumper is in constant contact while the gate is moving
in learn mode.
in learn mode.
4. Reconnect the unit to the gate, reset the limits and adjust the force control.
FORCE CONTROL
Set the force control pot such that the unit will complete a full cycle of gate travel but can be
reversed off an obstruction without applying an unreasonable amount of force. On most operators
this will be around the middle of the range.
Set the force control pot such that the unit will complete a full cycle of gate travel but can be
reversed off an obstruction without applying an unreasonable amount of force. On most operators
this will be around the middle of the range.
LED CODE
FLASHED
DIAGNOSTIC
MEANING
CLEARED BY
OFF
Normal operation.
N/A
1
Single entrapment sense.
Control Input
2
Double entrapment sense.
Hard Input*
3
Failed or no hall effect sensor.
Removal of problem.
4
Exceed maximum motor run time.
Hard Input*
5
Limit fault.
Control Input*
6
Loss of communications between master and
second during run mode.
Removal of problem.
ON
NO FLASH
Motor not learned.
Completion of motor
Learn Routine
LED NAME
LED
DESCRIPTION
RADIO
On when radio switch activated.
SHADOW
On when shadow loop is activated.
HARD CLOSE
On when hard close switch is activated.
STOP
On when stop switch is not activated.
SOFT OPEN
On when soft open switch is activated.
HARD OPEN
On when hard open switch is activated.
INT. LOOP
On when interrupt/safety loop activated.
OBS. OPEN
On when edge is activated or when photo eye beam is broken.
OBS. CLOSE
D11
D13
D15
D17
D19
D21
D17
D19
D21
D24
D29
D31
D29
D31
On when edge is activated or when photo eye beam is broken.
LED NAME
LED
DESCRIPTION
CONT A
On when CONTACTOR A activated.
CONT B
On when CONTACTOR B activated.
SAM
On when Sam Relay is activated.
LOCK
On when Mag Lock Relay is activated.
ALARM
D6
D5
D4
D5
D4
D3
D2
D2
On when Alarm Relay is activated.
MOTOR LEARN BUTTON
Motor Learn
Button
Button
Less
More
Sensitivity
FORCE CONTROL
Force
Adjustment
Adjustment
* HARD INPUTS INCLUDE HARD OPEN, CLOSE AND STOP
INPUTS.
NOTE: For LED location refer to illustration on previous page.
C O N T R O L L E R P R O G R A M M I N G A N D F E A T U R E S
DIAGNOSTICS (LEDS AND CODES)
There are three diagnostic LEDs. Two red LEDs (OL, CL) are indicators
for the open and close limits. The LEDs are illuminated when the limit
switch contacts are closed.
There are three diagnostic LEDs. Two red LEDs (OL, CL) are indicators
for the open and close limits. The LEDs are illuminated when the limit
switch contacts are closed.
The third amber LED (DIA) is used to blink out diagnostic codes. The
number is the count of the number of times the LED is on in an 8
second period. The LED is on for approximately 1/2 second and
repeats every second until the number is reached. There will be a
pause following each pulse cycle (1-6 pulses) to differentiate between
the different diagnostic codes.
number is the count of the number of times the LED is on in an 8
second period. The LED is on for approximately 1/2 second and
repeats every second until the number is reached. There will be a
pause following each pulse cycle (1-6 pulses) to differentiate between
the different diagnostic codes.
TROUBLESHOOTING LEDS
There are 9 troubleshooting LEDs (D11, D13, D15, D17, D19, D21,
D24, D29, D31).
There are 9 troubleshooting LEDs (D11, D13, D15, D17, D19, D21,
D24, D29, D31).
RELAY DRIVE TROUBLESHOOTING LEDS
There are 5 troubleshooting LEDs (D2, D3, D4, D5, D6) on relay drives
K1 through K5. These LEDs will be illuminated when the microcontroller
relay drive is activated.
There are 5 troubleshooting LEDs (D2, D3, D4, D5, D6) on relay drives
K1 through K5. These LEDs will be illuminated when the microcontroller
relay drive is activated.