Coolmay L02 Series PLC Programming Manual
Limit 1: The number of expansion modules is up to 31. (Excluding
power supply, host and remote module)
Limit 2:The maximum total number of digital points is 512 points.
(Including built-in points of the host)
Limit 3:No more than 12 analog input/output module respectively.
(That is 50 points, excluding the host AI/O points)
1.3. Host operation
The host is the core component of the entire L02 series. In addition to
executing the user's logic program, it is also responsible for all I/O data
receiving and sending, and data communication processing. The relationship
between the L02 system established by the host and related modules and the
actual external devices can be simply expressed as follows:
Above is a simple expression of the operation of the host, which simplifies
the process of initialization, diagnosis, communication and other system
aspects, and the process of external interruption, time interruption and other
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