Honeywell ML200 Series Installation And Commissioning Manual page 42

Chapter 3 - Plan and Install MLPLC
Item ML200R Comprises of
Main Base Two main base with identical module
Maximum 31 Expansion bases
Expansion
Base
Max. I/O Up to 372 (31 X 12) I/O modules (Up to 372 (31 X 12) I/O modules can
modules be installed in expansion base.)
Maximum 16 points module : 5952 points
I/O point
32 points module : 11904 points
64 points module : 23808 points
Maximum Fiber Optic : 2km
distance
Twisted pair cable : 100m
between
Total max length
nodes
l
l
l
l
Allocation Start address of input and output point is determined by the station
of I/O number set in the expansion driver module.
Address in
Each slot of the base is allocated 64 points (fixed), irrespective of the
Expansion
type of module mounted.
base
Special modules can be mounted in any position. Unlike digital I/O
modules, a special module is not allocated to any I/O address. A special
module is controlled by a dedicated function block and the address is
automatically allocated to the memory.
For instance, the I/O number of 12 slot base is allocated as follows:
Allocation Only communication module is allowed in the main base. Hence, I/O
addressing is not required. However, same number of points (that is, 768
Optical multi mode: 62km (when installing 31 expansion
modules)
Optical single mode: 465km (when installing 31 expansion
modules)
Electrical: 3.1km (when installing 31 expansion modules)
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