Allegion RDB4 Installation Instructions
*829768-00*
829768-00
Option Board
The RDB4 option board is to be used with the LP250 power supply when additional features are required. These features include a
distribution of 4 controllable outputs. Each output can be individually congured as powered NO/NC outputs or dry (isolated) NO/NC
outputs.
This instruction covers:
RDB4
Installation Instructions
RDB4
RDB4 board + mounting screws (4)
RDB4 Specications:
Inputs I1 - I4 Dry contacts required (Closed = Active), rated at 12/24 VDC, 10mA
Outputs O1 - O4 Powered jumper setting: 12/24 VDC, 2.5A
Dry jumper setting: 30 VDC, 2.5A, NO/NC Form C contacts
11.7 - 12 VDC (13.2V nominal) or 23.4 - 24 VDC (26.4V nominal)
Environment 32°-120° F (0°- 49° C), up to 85% relative humidity, indoor use only, protected area
Compliance UL294, CSA22.2 NO. 205, CSFM, FCC
Denitions
Normally closed contacts (NC)
Normally open contacts (NO)
FSE - Fail secure (needs power to unlock)
FACP - Fire Alarm Control Panel
ACC - Access Control Contacts
FS - Fail safe (needs power to lock)
See Section 7 for an explanation
of the Warnings and Cautions
used in this booklet.
1 RDB4 Installation
Enclosure cutaway
shown for clarity
PS board
(already
installed)
WARNING
To avoid risk of electric shock, turn off AC power to power
supply before installing or wiring option board.
Mounted
in upright
position
Interior of
enclosure
2 RDB4 - Features and Operation
OUTPUT JUMPER
90°
SC to I: open
SC to I: closed
SC to I: open
SC to I: closed
Powered
Each
input
1-4
Contact
(default)
Dry
Contact
(optional)
control
Notes:
1. When SC to I is closed, the corresponding red LED for that output
will turn on.
2. When jumper is set to powered contact, the C terminal always has
DC Out voltage on it.
Jumpers
factory
installed
Jumper
rotated
6-32 x 1/4" (4)
INPUT OUTPUT
NC to GND: DC+ out
NO to GND: 0V
NC to GND: 0V
NO to GND: DC+ out
NC to C: Closed
NO to C: Open
NC to C: Open
NO to C: Closed
Output LED’s and Output Jumpers
1 23 4
SC GNDI1 NO1 C1 NC1 I2 NO2 C2 NC2
SC GNDI3 NO3 C3 NC3 I4 NO4 C4 NC4
RDB4
2
3 Typical Wiring (see pages 4-6)
Wiring methods shall be applied in accordance with the National Electric Code/NFPA 70/NFPA 72/ANSI, and with all local codes and
authorities having jurisdiction.
WARNING
To avoid risk of electric shock, turn off AC power before
installing or servicing LP150/LP250 power supply.
3
FS & FSE device connected to RDB4
2. Each output is controlled by its own individual ACC.
FS & FSE device connected to RDB4
Typical Wiring - FS & FSE
with FACP override (power cut off)
IN
OUT
DC
OUT
IN
C
NC
NO
DC-
DC+
DC-
SC
I1
NO1
C1
NC1
I2
NO2
C2
NC2
GND
SC
I3
NO3
C3
NC3
I4
NO4
C4
NC4
GND
+
+
CONTROL
LP250
CONTROL
BLK
RED
ZONE
1
ZONE
2
RDB4
ZONE
3
ZONE
4
FACP
ACC
FSE
ELECTRIC
STRIKE
ACC
MAGLOCK
FS
LP250
RDB4
without FACP connection
DC
IN
IN
C
NC
NO
DC-
DC+
DC-
SC
I1
NO1
C1
NC1
I2
NO2
C2
NC2
GND
SC
I3
NO3
C3
NC3
I4
NO4
C4
NC4
GND
ACC
+
ACC
+
CONTROL
CONTROL
OUT
OUT
BLK
RED
ZONE
1
ZONE
2
ZONE
3
ZONE
4
FSE
ELECTRIC
STRIKE
FS
MAGLOCK
Operation:
1. All power to RDB4 NC/NO outputs is completely cut off when FACP contacts
open. Any devices connected to them will return to their unpowered state.
4
Operation:
1. All outputs on the RDB4 are powered and controlled by their individual ACC
contacts.
2. The FACP contacts are not connected.
FACP
Output 4 is used for FACP manual reset. Outputs 1-3 are available for lock control
before power can be applied to the RDB4 board. Once power is applied, the RDB4
RESET contacts again.
Outputs 1 and 2 have FACP override and will completely lose power when FACP
Typical Wiring - FACP
FACP with RDB4 Manual Reset
LP250
RDB4
ZONE
1
ZONE
2
ZONE
3
ZONE
4
CONTROL
IN
CONTROL
OUT
DC
OUT
BLK
RED
DRY
IN
C
NC
NO
DC-
DC+
DC-
SC
I1
NO1
C1
NC1
I2
NO2
C2
NC2
GND
SC
I3
NO3
C3
NC3
I4
NO4
C4
NC4
GND
FA
RESET
FACP controlling individual
zones on RDB4
DC
IN
IN
C
NC
NO
DC-
DC+
DC-
SC
I1
NO1
C1
NC1
I2
NO2
C2
NC2
GND
SC
I3
NO3
C3
NC3
I4
NO4
C4
NC4
GND
LP250
RDB4
CONTROL
CONTROL
OUT
OUT
BLK
RED
ZONE
1
DRY
ZONE
2
DRY
ZONE
3
ZONE
4
FACP
ACC
MAGLOCK
+
ACC
MAGLOCK
+
Operation:
1.
functions.
2. FA RESET contacts must be momentarily closed (and FACP contacts closed)
will function normally. Opening the FACP contacts will disconnect power from the
RDB4 board completely. Closure of the FACP contacts will not reapply power to
the RDB4. To reapply power for normal operation, momentarily close the FA
Operation:
1.
contacts are open. Outputs 3 and 4 have normal function and will not change if
FACP contacts are open.
5
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