Lathem DDC4 Manual De Usuario
DDC2 / 4-RS Wiring
Digital Display Wall Clock Guide
Page 42
3-Wire Minute Impulse (44
th
Minute)
B
C
1 2
3 4
5
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.
for master to synchronize. Use of a 9Volt alkaline
battery is recommended to avoid resets after power
failures.
OPEN
6 7
8
Set switches 1-5 of S1 as shown.
Indicates depressed side of switch
24VDC
From
Master Clock
To
Other Clocks
Other Clocks
A
BRN / WHT
GRND
AC IN
AC RTN
115VAC
Local
Power
VIO / WHT
YEL / WHT
BLK
BLK
H
M