BEA LO-21U User Manual
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BEA LO-21U User Manual

BEA LO-21U User Manual

Lockout relay
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PRODUCT
The LO-21U (PN: 10LO21U) is a micro-processed lock out module designed to operate on swing door applications with
DESCRIPTION
BEA's Bodyguard or DK-12 overhead presence sensor. The LO-21U interprets door open or door closed position based
upon motor voltage input. The motor voltage information is sent from the LO-21U to the Bodyguard or DK-12 via data lines.
The LO-21U provides optional safety beam input (dry contacts) to override the inhibit signal during closing.
TECHNICAL
DESCRIPTION
SPECIFICATIONS
Supply voltage
Operating frequency
Power consumption
Output
Maximum voltage – Relay contacts
Maximum current – Relay contacts
COMPONENT ID
SAFETY
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PRECAUTIONS
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75.1041.08 LO21U 20150708
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.
LO-21U
USERS GUIDE
LOCKOUT RELAY
SPECIFICATION
12 to 24 VAC / 15 to 24 VDC
4 MHz (Microprocessor)
10 mA at rest, 50 mA Maximum
(2) SPST Relays
60 VDC, 120 VAC
2A DC, 0.5 A AC
Dipswitches
Red LED
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Summary of Contents for BEA LO-21U

  • Page 1 BEA’s Bodyguard or DK-12 overhead presence sensor. The LO-21U interprets door open or door closed position based upon motor voltage input. The motor voltage information is sent from the LO-21U to the Bodyguard or DK-12 via data lines. The LO-21U provides optional safety beam input (dry contacts) to override the inhibit signal during closing.
  • Page 2 MOTOR EAGLE DIPSWITCH SETTINGS The dipswitches are located at the end of the LO-21U, opposite of the wire connection terminal. There are 8 positions available. Dipswitch designations are as follows: Default settings shown. 75.1041.08 LO21U 20150708 Page 2 of 5...
  • Page 3 Dipswitch # Function Time Delay: 1 sec. value 0 seconds 1 second Time Delay: 2 sec. value 0 seconds 2 second Time Delay: 4 sec. value 0 seconds 4 second Time Delay: 8 sec. value 0 seconds 8 second Time Delay: 16 sec. value 0 seconds 16 second Voltage switching device...
  • Page 4 21U is triggering the safety circuit. Therefore, the door will remain closed until the Bodyguard zone is clear. The red LED will expire on the LO-21U and on the Bodyguard will shut off when the detection zone is clear. With the door in the closed position, stand in the Bodyguard detection field and have someone activate the door (Eagle, push plate, etc.).
  • Page 5 SET-UP When all functions of the control and LO-21U have been confirmed, the lockout time delay will need to be set. Time INSTRUCTIONS – delay is set by using dipswitches 1 through 5. Perform the following steps: Cont. q Activate the door to the open position.

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10lo21u

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