User Manual For - CONTROLLER/DATA RECORDER MultiCon CMC-99/141
5.1.1. Logical channels
A
Logical Channel
is a data stream existing in the memory of the device, having it's
own name and can be displayed in almost any way.
Logical Channels
can be used as:
– measurement inputs,
– data source of control loop,
– control source of the physical outputs,
– input data to other
Logical Channels
,
– data source for visualisation and logging.
Depending on type, the device can be equipped with different number of
Logical
channels
and other functions. Their amount is shown in table bellow:
type 96 x 96 144 x 144
LC
(logical channels)
60 90 (60 with logging option)
Di
(digital inputs)
48 72
Ai
(analog inputs)
48 72
Rel/SSR
(relays/SSR)
16/48 36/72
Ao
(analog outputs)
12 24
MP
(Modbus ports)
4 4
F
(math functions)
34 34
G
(groups)
10 15
P/t
(Profile/timers)
8 8
C
(controllers)
8 8
Tab.5.1 Maximum amount of functions, included in device
32