Lathem DDC2 User Manual download pdf (Page 30)

DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 24

3-Wire minute Impulse (59

Minute)

Wiring applies to secondary wall clocks such as:

Lathem ISC 3-Wire Standard Impulse Cincinnati D2, D4

Stromberg Impulse Edwards Impulse Faraday Impulse

Simplex 75 Series, 91-4, 93-4, 941-4, 943-4 IBM 75 Series

Set switches 1-5 of S1 as shown.

Indicates depressed side of switch

BRN / WHT

GRND

AC IN

AC RTN

VIO / WHT

YEL / WHT

BLK

Other Clocks

24VDC

From

Master Clock

115VAC

Local

Power

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.

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Lathem DDC2 User Manual Page 30