tams elektronik LC Series Manual page 33

LC modules
Connecting other LC modules to a LC-24
You can connect other LC modules (than LC-24) to the outputs of a LC-
24 to switch them delayed. You can use all LC modules except LC-9 and
LC-10. When connecting a LC-16 you do not need the dim switch DS-1.
You have to connect the LC modules via a monostable relay 1xUm 12 V
(e.g. item no. 84-61010-01) and a diode (see connection diagram).
RL
D3
Monostable relay 1xUm 12 V
Diode, 1N400x, x = 2...7
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Page 33