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Digital Display Wall Clock Guide

DDC2 / 4-RS Wiring

 

 

 

3-Wire Minute Impulse (58th Minute)

H

M

115VAC

GRND

BLK

BLK

AC IN

 

 

Local

 

 

Power

AC RTN

 

 

24VDC

A

 

 

From

B

 

 

Master Clock

C

 

Clock must be set within 20 minutes of actual time for master to synchronize. Use of a 9Volt alkaline battery is recommended to avoid resets after power failures.

YEL / WHT

VIO / WHT

BRN / 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

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Image 47
Lathem DDC2 manual Grnd BLK, Wire Minute Impulse 58th Minute