SDC UR-4A User Manual

Page 2

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P:\INSTALLATION INST\Power Supplies\INST-UR2A_UR4A\INST-UR2A_UR4A.vsd REVB 02-10 Page 2

Table 1 - Mode DIP Switch Settings *
Control Mode SW8 = ON
SW1

On=TD/LR

Off=CR Door A

SW2

On=TD/LR

Off=CR Door B

SW3

On=TD/LR

Off=CR Door C

SW4

On=TD/LR

Off=CR Door D

SW5

On=5 Sec.

Off=0

SW6

On=10 Sec.

Off=0

SW7

On=20 Sec.

Off=0

TD Mode time switch settings (SW5-7) are additive.
Min. Time = 1 Sec. Max. time = 35 Sec.

Interlock Mode SW8 = OFF
SW1

On=Interlock “A” Mode Doors A,B,C,D

SW2

On=Mantrap “B” Mode Doors A,B,C,D

SW3

Not Used

SW4

Not Used

SW5

On = 5 Sec.

Off = 0

SW6

On = 10 Sec.

Off = 0

SW7

On = 20 Sec.

Off = 0

Mantrap “B” unlock time switch settings (SW5-7) are
additive. Min. time = 1 Sec., Max. time = 35 Sec.

*Note: The UR2A/4A switch settings are subject to
product improvement changes and revisions to the
controller program. Please refer to the UR2A/4A
Installation Instructions that are shipped with each
unit.

UR2A Electrical Specifications
UR2A

(2) Fused Outputs, SPDT Dry contacts; 5 Amp @ 30VDC
(2) Non-fused Outputs, SPDT Dry contacts; 1 Amp @ 30VDC
(2) Inputs per Station, (4) Total Inputs; plus (4) Auxiliary Inputs
Supply Voltage: 12 VDC or 24 VDC, +/- 10%.
Supply Current: 0.28 Amp Typ; 0.35 Amp Max.

UR4A Electrical Specifications
UR4A

(4) Fused Outputs, SPDT Dry contacts; 5 Amp @ 30 VDC
(4) Non-Fused Outputs, SPDT Dry contacts; 1 Amp @ 30 VDC
(2) Inputs per Station, (8) Total Inputs; plus (4) Auxiliary Inputs
Supply Voltage: 12 VDC or 24 VDC, +/- 10%

UR2A/4A Dimensions

7” L x 5” W x 1-5/8” H (177.8mm L x 127mm W x 41.3mm H)

Ordering Information
The UR2A/4A can be mounted in a junction box or installed as an optional
board in any SDC 600 Series Power Supply. (Models 622 through 626, 631A
and 631RFA).
SDC Part Numbers:

UR2A 2 Station Controller
UR4A 4 Station Controller

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