PRODUCT
DESCRIPTION
TECHNICAL
SPECIFICATIONS
COMPONENT ID
SAFETY
PRECAUTIONS
75.5079.08 20061129 Page 1 of 13
USERS GUIDE
LO-21P
LOCK OUT RELAY
The microprocessed LO-21P (PN: 10LO21P) Lock Out Relay is designed to provide a lockout function for the BEA
Bodyguard presence sensor, when used with the complete Parallax System. The LO-21P uses the motor and Bodyguard to
determine if the swing path of the automatic door is clear and allows the door to open or close. If the swing path of the
automatic door is not clear and the door is in the open position, the LO-21P will allow the Bodyguard to hold the door open
as long as it detects something. If the door is closed and there is something in the Bodyguard pattern, the LO-21P will
prohibit the activation device from opening the door.
DESCRIPTION SPECIFICATIONS
Power Supply 12-24 Volts AC/ DC
Operating Frequency 4 MHz (Microprocessor)
Power Consumption 10 mA at rest, 50 mA Max.
Output SPST Relay
Max. Voltage - Relay Contact 60V DC, 120V AC
Max. Current - Relay Contacts 2A DC, 0.5A AC
Dipswitches
Green LED – Activation
Red LED – Safety
• Shut off all power going to the header before attempting any wiring procedures.
• Maintain a clean & safe environment when working in public areas.
• Constantly be aware of pedestrian traffic around the door area.
• Always stop pedestrian traffic through the doorway when performing tests that may result in unexpected
reactions by the door.
• Always check placement of all wiring before powering up to insure that moving door parts will not catch any
wires and cause damage to equipment.
• Ensure compliance with all applicable safety standards (i.e. ANSI A156.10) upon completion of installation.
ELECTRICAL
INSTALLATION –
OPTION 1 –
STANDARD
WIRING
WIRE CONNECTIONS
Black Motor Input Red Motor Input +
Purple Bodyguard COM. Pin 3
White Bodyguard Data (-) Pin 6
Black / White Activation Sensor COM.
Orange Power input / 12-24 VAC/VDC ( - )
Gray Bodyguard N.O. Pin 4
Red / White Bodyguard Data (+) Pin 7 & Activation Sensor N.O.
Brown Power input / 12-24 VAC/VDC (+)
Green Door Control Common
Blue Door Control Activation
Yellow Door Control safety
LO-21P WIRING DIAGRAMS:
STANDARD WIRING
The wiring shown below may be used on most models of operators. See wiring diagrams at back of this manual for
specific diagrams.
BODYGUARD
DATA + 7
DATA - 6
N.C. 5
N.O. 4
COM 3
POWER 2
POWER 1
NOTE: Bodyguard MUST be programmed
to a Relay Output value of 2. Default is 1.
AUTO
OFF
HOLD
R
O
T
O
M
OPERATOR
+
-
Door Control
SAFETY
COMMON
ACTIVATION
STALL
115 VAC
24 V
TRANSFORMER
T
O
N
-
O
L
T
1
#
Q
E
R
O
6
#
orange
brown
LO-21P
:
E
DI
P
P
1
2
U
O
R
H
D L
E
UIR
7
N,
#
T
F
T
O
I
M
white
ING
R
E
Blk/white
red/white
red
black
yellow
:
S
green
blue
gray
purple
E
H S
C
I
W
T
S
-
T
5
E
#
S
H
G
O
T
T
U
O
K
C
O
N
O
8
,
F
#
F
Contacts to open
at desired point of
inhibiting
8 7 6 5 4 3 2 1
Stall SuperScan
1 2 3 4 5
1 2 3 4 5 6 7 8
Approach SuperScan
(Swing Side)
EAGLE
IMPORTANT:
Before connecting the red and black wires from the LO-21P to the Motor, be sure to check the polarity of the voltage
with a multi-meter, to determine which wire is the positive side. The red wire of the lockout module must always be
connected to the positive side of the motor. When a positive reading is observed on the meter, (while the door is in hold
open) the red probe indicates the positive side. Thus, the red wire of the lockout will always be attached to whatever
wire the red probe was on when a positive reading was obtained.
NOTES:
• For pairs of doors, wire the additional SuperScans the same as shown above.
• For the inhibit function, operator mounted auxiliary switches may be used – dry contacts only.
• Bodyguard must be programmed to a relay value of 2.
75.5079.08 20061129 Page 2 of 13
ELECTRICAL
INSTALLATION
OPTION 2 –
Operator Mounted
Switch
Wiring diagram below shows how to wire when using an operator-mounted switch to control the flow of voltage from the
motor to the lockout module. Switch should be set to close a set of dry contacts when door is within 2 to 3 degrees of the
full open position.
BODYGUARD
DATA + 7
DATA - 6
N.C. 5
N.O. 4
COM 3
POWER 2
POWER 1
24 V
115 VAC
TRANSFORMER
orange
brown
LO-21P
purple
gray
red/white
white
NOTE: Bodyguard MUST be programmed
to a Relay Output value of 2. Default is 1.
L
G
E
I
N
S
P
W
S
O
R
H
T
P
O
S
W
P
O
M
O
C
R
O
T
O
M
blk/white
red
black
yellow
green
blue
AUTO
OFF
HOLD
-
SAFETY
COMMON
ACTIVATION
STALL
Door Control
+
MOTOR VOLTAGE
L
E
B
U
L
O
-
D
O
E
H
C
I
T
W
.
W
X
S
U
A
R
O
A
R
T
E
C
H
C
I
T
S
O
P
N
E
O
N
T
A
E
L
S
D
O
N
I
T
I
O
OPERATOR
Contacts to open
at desired point of
inhibiting
H
C
I
T
F
L
U
L
8 7 6 5 4 3 2 1
Stall SuperScan
1 2 3 4 5
1 2 3 4 5 6 7 8
Approach SuperScan
(Swing Side)
EAGLE
IMPORTANT:
Before connecting the red and black wires from the LO-21P to the Motor, be sure to check the polarity of the voltage
with a multi-meter, to determine which wire is the positive side. The red wire of the lockout module must always be
connected to the positive side of the motor. When a positive reading is observed on the meter, (while the door is in hold
open) the red probe indicates the positive side. Thus, the red wire of the lockout will always be attached to whatever
wire the red probe was on when a positive reading was obtained.
NOTES:
• For pairs of doors, wire the additional SuperScans the same as shown above.
• For the inhibit function, operator mounted auxiliary switches may be used – dry contacts only.
• Bodyguard must be programmed to a relay value of 2.
75.5079.08 20061129 Page 3 of 13
ELECTRICAL
INSTALLATION
Option 3 – Double
Pole Double Throw
Switch
The wiring diagram below shows how to wire a DPDT switch to control the On-Off-Hold function, as well as data
between the motor and the LO21P.
BODYGUARD
DATA + 7
DATA - 6
N.C. 5
N.O. 4
COM 3
POWER 2
POWER 1
24 V
115 VAC
TRANSFORMER
brown
purple
orange
LO-21P
1 2 3 4 5
red/white
white
gray
NOTE: Bodyguard MUST be programmed
to a Relay Output value of 2. Default is 1.
blk/white
red
black
yellow
green
blue
1 2 3 4 5 6 7 8
Approach SuperScan
AUTO
OFF
HOLD
SAFETY
Door Control
COMMON
ACTIVATION
STALL
+
-
MOTOR VOLTAGE
8 7 6 5 4 3 2 1
Stall SuperScan
(Swing Side)
B
L
D
O
U
D
O
U
B
L
O
T
M
O
R
E
-
P
O
L
E
R
O
S
W
C
W
I
E
T
H
T
OPERATOR
Contacts to open
at desired point of
inhibiting
H
EAGLE
IMPORTANT:
Before connecting the red and black wires from the LO-21P to the Motor, be sure to check the polarity of the voltage
with a multi-meter, to determine which wire is the positive side. The red wire of the lockout module must always be
connected to the positive side of the motor. When a positive reading is observed on the meter, (while the door is in hold
open) the red probe indicates the positive side. Thus, the red wire of the lockout will always be attached to whatever
wire the red probe was on when a positive reading was obtained.
NOTES:
• For pairs of doors, wire the additional SuperScans the same as shown above.
• For the inhibit function, operator mounted auxiliary switches may be used – dry contacts only.
• Bodyguard must be programmed to a relay value of 2.
75.5079.08 20061129 Page 4 of 13
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