lift-master sw420 Manuale Utente

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Field Wiring Terminals 9 & 5 - Obstruction Open (Edge/ Photo
Eye Input) 
Edge Input:  See Programming Section 
This input will reverse an opening gate to the close limit. Activating this
input when the gate is closing will have no effect. Note: If upon
reversal a second seperate obstruction is detected (gate edge or
R.P.M. sensor), gate will stop & alarm.
Photo Eye Input:  See Programming Section
This input will pause an opening gate. Once the input (photo eye) is
cleared, the gate continues to open. Activating this input when the gate
is closing will have no effect.
Field Wiring Terminals 10 & 5 - Obstruction Close (Edge/ Photo
Eye Input)
Edge Input:  See Programming Section
This input will reverse a closing gate to the open limit. When reaching
the open limit the timer to close, if enabled, will be disabled until
another command is given. Activating this input when the gate is
closing will have no effect. Note: If upon reversal a second seperate
obstruction is detected (gate edge or R.P.M. sensor), gate will stop
& alarm.
Photo Eye Input:  See Programming Section
This input will reverse a closing gate to the open limit. This input will not
affect the timer to close. Activating this input when the gate is closing
will have no effect.
Field Wiring Terminals 3 & 5 - Stop/Reset Control Input
These terminals are intended for use with a single stop/reset button or
the stop control of a three-button station that is installed within line of
site of the gate. This input functions to stop the gate or to reset the gate
after an entrapment fault. Note: This input uses a normally closed
circuit and the operator will not run until a stop control is
installed.
J1 Terminals 4 & 5 - Hard Close Control Input
These terminals are intended for use only with the close control of a
three-button station that is installed within line of sight of the gate. A
momentary activation of this input will cause the gate to close.
Activation of this input for longer than three seconds will enable
the control to be used as a constant pressure override device. 
This
will allow the user, in emergencies, to override a failed accessory such
as a loop detector or photo-eye.
J1 Terminals 7 & 5 - Hard Open Control Input
These terminals are intended for use only with the open control of a
three-button station that is installed within line of sight of the gate. A
momentary activation of this input will cause the gate to open.
Activation of this input for longer than three seconds will enable
the control to be used as a constant pressure override device. 
This
will allow the user, in emergencies, to override a failed accessory such
as a loop detector or photo-eye.
OBSTRUCTION OPEN (EDGE/PHOTO EYE INPUT)
5
8
9
10
11
12
HARD CLOSE CONTROL INPUT
1
2
3
4
5
6
7
8 9 10 11 12 13 14 15 16
HARD OPEN CONROL INPUT
1
2
3
4
5
6
7
8 9 10 11 12 13 14 15 16
OBSTRUCTION CLOSE (EDGE/PHOTO EYE INPUT)
5
8
9
10
11
12
STOP/RESET CONTROL INPUT
R1
R2
R3
R4
3
5
OPEN
CLO
SE
STO
P
STOP
OPEN
CLO
SE
STO
P
CLOSE
OPEN
CLO
SE
STO
P
OPEN
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