Instruction manual

Elements
28
890USE18000 September 2003
Adding Modules
to a Rail
You can add modules to a rail by in the active island by several different methods
(See Adding Modules to an Island Segment, p. 38). Usually, the simplest way is to
select a module name in the catalog browser (See The Catalog Browser, p. 31),
drag it from the catalog browser and drop it in the desired location on a rail in the
island editor.
The island editor applies design rules to the island model you are creating. It will not
let you insert modules in invalid locations. For example, it prevents you from placing
a 24 VDC I/O module in a location on the island segment that is being serviced by
a 115/230 VAC power distribution module (PDM).
The modules need to be placed on a rail in a particular sequence:
The first module on the island must be a NIM. Only one NIM is used on an island.
It can be picked from the Networking group in the catalog browser.
Directly to the right of the NIM, place a PDM. PDMs can be picked from the
Power group in the catalog browser. Choose either a 24 VDC PDM or a 115/
230 VAC PDM, depending on the power requirements of the I/O modules that
follow.
Install the desired I/O modules to the right of the PDM. Make sure that all the I/O
modules that follow a PDM use the same AC or DC voltage. If you are planning
to use both AC and DC I/O modules on a rail, we suggest that you install the AC
PDM(s) and AC modules first.
If you are using more than one voltage group on a rail, install another PDM after
the first voltage group of I/O modules. The second PDM will isolate field power
between the two voltage groups as well as distribute the appropriate field power
to the modules that follow it.
Install the desired I/O modules to the right of the second PDM.
The sum of the logic bus current consumed by all the I/O modules on the rail
cannot exceed 1.2 A. If the modules use more than 1.2 A of logic bus current, you
will need to add more rails to the island configuration.
If you are not extending the island beyond the primary segment (the first rail),
insert a terminator plate at the end of the rail. The terminator plate can be picked
from the Accessories group in the catalog browser.
If you plan to extend the island with more Advantys STB I/O modules or with one
or more preferred modules, insert an EOS module at the end of the rail. Do not
terminate the rail. The EOS module can be picked from the Accessories group
in the catalog browser.
If you plan to extend the island with one ore more standard CANopen devices,
insert a CANopen extension module to the end of the rail, and insert a termination
plate after the CANopen extension module. The CANopen extension module can
be picked from the Accessories group in the catalog browser.