Lathem DDC2 instruction

Page 55	Digital Display Wall Clock Guide	Specifications

Connecting to a Lathem DDC2-RS or DDC4-RS Digital Clock

DDC2 -RS / DDC4 -RS

Image 61

Lathem manual Connecting to a Lathem DDC2-RS or DDC4-RS Digital Clock

Contents

Installation & Users Guide Lathem Time Corporation Table of Contents Page Page Page Clock Operation Introduction About this Manual DDC-TC Optional AccessoriesPage Setting the DIP Switches DDC2 / DDC4 Series Configuring the DDC Series Wall Clock DIP Switch Settings Battery Usage DDC2 / DDC4 Series Configuring RS485 Communications DDC2/4-RS SeriesDDC2/4-RS / DDC2/4-RS-24 Power Cord Installation DDC2/4-RS Battery Installation DDC2 / DDC4 Series Secondary Wiring Wiring Installation DDC2/4-RS SeriesRS485 Wiring DDC-TC Wiring Replacing an Existing DDC4 Wall Clock Board Layout Diagram Mounting to a Wall Mounting DDC2 / DDC4 Series Mounting 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 Time Formats Setting the Time BLK Appendix a DDC2-RS / 4-RS Secondary Clock Wiring DiagramsStand-Alone 115VAC WHT Wire Synchronous 115VAC Grnd Wire Synchronous 24VAC CorrectionAC RTN BLK BRN / WHT BLU / WHT Grnd BLK Wire minute Impulse 59th MinuteYEL / WHT VIO / WHT BRN / WHT BLK YEL / WHT VIO / WHT BRN / WHT Wire Minute Impulse 59th Minute With 12 Hour Correction Standard Electric Synchronous BLK YEL Standard Electric AR-2A 2-Wire Dual Voltage Standard Electric AR-2 2-Wire Dual Voltage Synchronous Wired Simplex 59th Minute Dual Motor Simplex 45th Minute Dual Motor Edwards Dual Motor BLK YEL / WHT VIO / WHT BRN/ WHT Standard Electric AR-3 3-Wire Minute Impulse National Synchronous Wired Stromberg Synchronous Wired 56th Minute Cincinnati D1 Common Cincinnati D6, Edwards VIO Grnd AC RTN BLK VIO / WHT YEL / WHT Wire Pulse Alternating 24VDC Electronic Coded Grnd AC in AC RTN BLK BLU Straight Frequency Grnd AC AC RTN BLK BLU Wire Minute Impulse 58th Minute Wire Minute Impulse 44th Minute VIO / WHT YEL / WHT Wire Reverse Polarity Minute Impulse 59th Minute Appendix B DDC2-RS-24 / DDC4-RS-24 Wiring DDC2-RS-24 / DDC4-RS-24 Wiring RS485 Data Format Appendix C RS485 Wiring Diagrams GND OMCJP4 Omcii to DDC2-RS / 4-RS LTR0 to DDC2-RS / 4-RS BLK H LTR4 / 8-512 to DDC2-RS / 4-RS + of JP4 Wiring Appendix D DDC-TC Timer Control Panel Timer Control Installation As a Count Down Timer Operation As a Count Up Timer LTR-0 Appendix E LTR-GPS Satellite Receiver / Clock SynchronizerPage Connecting to a Lathem DDC2-RS or DDC4-RS Digital Clock DDC2 / DDC4 Appendix F Specifications Limited One-Year Limited Warranty Appendix G Warranty