Digital control time switches ZCM-12 are
used to realise the time functions in automation
and control systems. Weekly programmers
realise output relay control operations
according to program adjustments (day,
time). All systems have some additional features,
e.g., a random function, which can
be used to simulate presence, a control input
function, which is used to change the operating
mode of a system by means of an external
push-button. An additional advantage of
the ZCM-12P/U programmer is the ability
to copy the programs adjusted in the time
switch into an external memory stick, so they
can be easily copied to other programmers.
The design of the casing allows the system
to be mounted on a TH-35rail and eventually
to seal device. The design of the system
provides battery back-up system for all adjustments
in the case of no voltage supply.