Lathem DDC4 Manual De Usuario
DDC2 / 4-RS Wiring
Digital Display Wall Clock Guide
Page 38
2-Wire Pulse Alternating (24VDC)
A
YEL / WHT
GRND
AC IN
AC RTN
BLK
BLK
VIO / WHT
B
To
Other Clocks
Other Clocks
24VDC
From
Master Clock
H
M
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.
for master to synchronize. Use of a 9Volt alkaline
battery is recommended to avoid resets after power
failures.
1 2
3
4
5
OPEN
6 7
8
Set switches 1-5 of S1 as shown.
Indicates depressed side of switch