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P:\INSTALLATION INST\Power Supplies\INST-UR\INST-UR2-4.vsd REV 12-11 Page 14

Station B2

Trigger

Station B1

Trigger

Station A2

Trigger

Station A1

Trigger

FAIL-SECURE

LOCK

(12 OR 24 VDC)

FAIL-SAFE LOCK

(12 OR 24 VDC)

Station

LOCK

FAIL-SECURE

LOCK

(12 OR 24 VDC)

FAIL-SAFE LOCK

(12 OR 24 VDC)

Station

LOCK

FAIL-SECURE

LOCK

(12 OR 24 VDC)

FAIL-SAFE LOCK

(12 OR 24 VDC)

Station

LOCK

INSTALLATION NOTES:

1. All trigger inputs are shown configured as

Normally Open switches.

2. All relay outputs have been configured to have wet

(voltage) outputs. Relay output voltage will be the

same as the UR2-4 input voltage.

3. Outputs 2 & 4 are non-fused.

(-)

1 2 3 4 5 6

7 8

1 2 3 4 5 6

7 8

SW1

SW2

FUSE

Single Relay

Control

Mode

(

)

(

)

(

)

(

)

OUTPUT 2

OUTPUT 1

OUTPUT 3

C A1 C A2 C B1 C B2

C E1 C E2 C E3 C E4

12/24 VDC

POWER

SUPPLY

SDC 600

Series

POWER

LOCK

ALL

(Optional)

UNLOCK

ALL

(Optional)

EMERGENCY

RELEASE

(Optional)

LOCKOUT

(Optional)

FAIL-SECURE

LOCK

(12 OR 24 VDC)

FAIL-SAFE LOCK

(12 OR 24 VDC)

Station

LOCK

OUTPUT 4

V. 2-Door Interlock “A” Setup

Follow the installation steps below before applying power to the UR2-4.

Refer to the INTERLOCK “A” MODE wiring diagram on Page 6.

NOTE: It is assumed that the UR2-4 and locking hardware share the

same power supply.

Interlock “A” Standard Operation:

Both doors are normally closed and unlocked. Opening any door causes

the other door to lock until the opened door returns to its normal state.

Step 1 – Set Dip Switches

The dip switch settings below are an example of a typical Interlock A

setup as shown on Page 6. Adjust the dip switch settings as needed.

Step 2 – Configure the Relay Outputs to be Wet

(Voltage) or Dry.

Use the red WET/DRY Selection Jumpers to configure each output.

Refer to Page 2 of this instruction for selection procedure.

On the typical Interlock A wiring diagram, the Lock Relays (Outputs 1 & 3)

are configured to be wet outputs.

The Monitoring Relays (Outputs 2 & 4) are dry.

NOTE: It is recommended that any unused relays be configured as dry

outputs.

Step 3 – Terminate the Lock Power Wiring

Follow the typical Interlock A wiring diagram for fail-safe or fail-secure

locks. Be careful to observe lock voltage polarity.

NOTE: All low voltage wiring shall be 18-gauge minimum. The minimum

lock power wire gauge shall be determined by the SDC wire gauge chart.

Signal wire shall be 22-gauge minimum.

Step 4. Terminate the Door Monitoring Inputs

Connect the Door Monitoring Switches to Input terminals A1 & B1. This is

a required connection.

Door Monitoring inputs (typically Door Position Switches), should be dry,

Normally Open or Normally Closed switches, depending on the

configuration of Dip Switch 2-5 (Step 1).

NOTE: Dip Switch 2-5 configures the normal state of the Door Monitoring

input when the door is in a CLOSED position.

Step 5. Terminate Auxiliary Inputs and Outputs

(Optional)

Auxiliary Inputs – These inputs must be wired to dry, Normally Open

switches. The input will only be active when closed (shorted). Refer to

Page 2 for input descriptions.

Monitoring Relay Outputs – Each door station provides a non-fused,

SPDT monitoring relay. This output may be used to signal a Security

Panel or to activate a Remote Annunciator. The relay is configurable as a

Wet or Dry output (Step 2). The relay activation will follow the Lock Relay

or follow the Door Monitoring Input, depending on the configuration of Dip

Switch 2-7 (Step 1).

Step 6. Connect a 12 or 24VDC Power Source to the

UR2-4 Controller.

Before applying power, verify that all the connections are securely

terminated by gently pulling on each wire.

Terminate the voltage wiring to the Controller Power Input, as shown on

Page 6. Be careful to observe polarity.

Verify that both doors are closed & apply power to the controller.

Step 7. UR2-4 Controller Startup and Operation

Verification.

Verify the polarity of the Door Monitoring Inputs by observing the Status

Lights located on the lower right of the UR2-4 controller.

Status Lights A1 & B1 will be OFF if Dip Switch 2-5 = OFF, or will be ON

if Dip Switch 2-5 = ON.

Test the standard operation of the interlock by opening either door. The

other door will lock until the opened door returns to its normal state

(closed).

SW1 -1 = OFF

Normally Unlocks Door #1. This sw itch must be set

OFF for Interlock "A" Mode

SW1 -2 = OFF

Normally Unlocks Door #2. This sw itch must be set

OFF for Interlock "A" Mode

SW1 -3 = OFF

SW1 -4 = OFF

SW1 -5 = OFF

SW1 -6 = OFF

SW1 -7 = OFF

SW1 -8 = OFF This sw itch must be set OFF for Interlock "A" Mode

SW2-1 = OFF

SW2-2 = OFF

SW2-3 = OFF

SW2-4 = OFF

SW2-5 = OFF

Sets the polarity of the Door Monitoring Inputs w hen

the door is in the CLOSED position. {OFF = N/O;

ON = N/C}

SW2-6 = OFF This sw itch must be set OFF for Interlock "A" Mode.

SW2-7 = OFF

Sets the operation of all the Monitoring Relay Outputs.

{OFF = Relay w ill follow the Door Monitoring Input;

ON = Relay w ill follow the Lock Output Relay}

SW2-8 = ON

Sw itches the UR board betw een Interlock Mode or

Control Mode. This sw itch must be set ON.

SW2-1 through 2-4 are not used for Interlock "A"

Mode. These sw itches should all be set OFF.

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