4. Installation
4.1. Planning Considerations
100 Experion PKS Series A Fieldbus Interface Module User's Guide R400
Honeywell July 2010
Component
Total Per
Controller
Total Per
Server
Maximum number of CIOM-A FIMs plus I/O
modules divided by three (including local and
remote chassis I/O and rail I/O).
21 100
Maximum number of H1 links (independent LAS) 42 200
Maximum number of fieldbus devices* 672 3,000
*Each H1 link is capable of supporting up to 16 devices. This number may vary
depending on the dynamics of the link.
CIOM-A FIM only chassis configuration considerations
If y
our architecture includes chassis that will only contain CIOM-A FIMs, be aware that
the physical construction of the different chassis sizes may result in blank or unused
single slots. The following table lists the maximum number of CIOM-A FIMs that can be
installed in a given size chassis with the resultant number of blank slots, assuming that a
ControlNet module is mounted in the chassis' first slot (0). Reduce the maximum number
by one for redundant CIOM-A FIM applications, since a Redundancy Module must be
mounted in the chassis as well.
If Chassis size is . . .
Then, Maximum
Number of CIOM-A FIMs
is . . .
And, Number of Blank
Single Slots is . . .
4-Slot* 1 1
7-Slot 3 0
10-Slot 4 1
13-Slot 5 2
*A 4-slot chassis is not suitable for use in redundant CIOM-A FIM applications.
Note that the number of FIMs that can be installed in a chassis depends on the available
slots and power. Also, you must consider the CNIs and RMs. For example, a remote I/O
chassis will support a CNI, RM and up to 6 FIMs (power limit) and a C200 Controller
chassis will support a CNI, C200, RM and up to 4 FIMs.
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