Lathem DDC2 manual Standard Electric AR-2 2-Wire Dual Voltage

Page 34

DDC2 / 4-RS Wiring	Digital Display Wall Clock Guide	Page 28

Standard Electric AR-2 2-Wire Dual Voltage

H

M

115VAC	GRND				BLK
115VAC	GRND				BLK
Local	AC IN
Local	AC IN
Power	AC RTN
24VDC / 48VDC	AB
From
Master Clock	PC
	PC

Clock must be set to actual time. Use of a 9Volt alkaline battery is recommended to avoid resets after power failures.

BLK	YEL	BRN
	/ WHT	/ WHT

To

Other Clocks

Set switches 1-5 of S1 as shown.

Indicates depressed side of switch

1

2

3

4

5

6

7

8

OPEN

Image 34

Contents Installation & Users Guide Lathem Time Corporation Table of Contents Page Page Page Introduction Clock OperationAbout this Manual Optional Accessories DDC-TCPage Configuring the DDC Series Wall Clock Setting the DIP Switches DDC2 / DDC4 SeriesDIP Switch Settings Battery Usage DDC2 / DDC4 Series Configuring RS485 Communications DDC2/4-RS SeriesDDC2/4-RS / DDC2/4-RS-24 Battery Installation DDC2 / DDC4 Series Power Cord Installation DDC2/4-RSRS485 Wiring Wiring Installation DDC2/4-RS SeriesSecondary Wiring DDC-TC WiringBoard Layout Diagram Replacing an Existing DDC4 Wall ClockMounting DDC2 / DDC4 Series Mounting to a WallMounting to a Single Gang Box DDC2 Double Mount Wall DDC2 Double Mount Wall DDC4 Double Mount Wall Double Mount Ceiling DDC2 Double Mount Ceiling DDC4 Double Mount Ceiling Setting the Time Time FormatsBLK Appendix a DDC2-RS / 4-RS Secondary Clock Wiring DiagramsStand-Alone 115VAC Wire Synchronous 115VAC WHTAC RTN Wire Synchronous 24VAC CorrectionGrnd BLK BRN / WHT BLU / WHTGrnd BLK Wire minute Impulse 59th MinuteYEL / WHT VIO / WHT BRN / WHT Wire Minute Impulse 59th Minute With 12 Hour Correction BLK YEL / WHT VIO / WHT BRN / WHTStandard Electric Synchronous Standard Electric AR-2A 2-Wire Dual Voltage BLK YELStandard Electric AR-2 2-Wire Dual Voltage Synchronous Wired Simplex 59th Minute Dual Motor Simplex 45th Minute Dual Motor Edwards Dual Motor Standard Electric AR-3 3-Wire Minute Impulse BLK YEL / WHT VIO / WHT BRN/ WHTNational Synchronous Wired Stromberg Synchronous Wired 56th Minute Common Cincinnati D1VIO Cincinnati D6, EdwardsWire Pulse Alternating 24VDC Grnd AC RTN BLK VIO / WHT YEL / WHTGrnd AC in AC RTN BLK BLU Electronic CodedGrnd AC AC RTN BLK BLU Straight FrequencyWire Minute Impulse 58th Minute Wire Minute Impulse 44th Minute Wire Reverse Polarity Minute Impulse 59th Minute VIO / WHT YEL / WHTAppendix B DDC2-RS-24 / DDC4-RS-24 Wiring DDC2-RS-24 / DDC4-RS-24 Wiring Appendix C RS485 Wiring Diagrams RS485 Data FormatJP4 OMCGND Omcii to DDC2-RS / 4-RSBLK H LTR0 to DDC2-RS / 4-RS+ of JP4 LTR4 / 8-512 to DDC2-RS / 4-RSAppendix D DDC-TC Timer Control Panel WiringInstallation Timer ControlOperation As a Count Up Timer As a Count Down TimerAppendix E LTR-GPS Satellite Receiver / Clock Synchronizer LTR-0Page Connecting to a Lathem DDC2-RS or DDC4-RS Digital Clock Appendix F Specifications DDC2 / DDC4Appendix G Warranty Limited One-Year Limited Warranty

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