298 • IRC (Inter-Register Communications) Appendix
Sam4s SPS-300 OP Manual v1.35
IRC
(Inter-
Register
Commun
ications)
Appendix
Overview
IRC is standard
feature of the
SPS-300. Each
register is
equipped with a
standard
Ethernet-style
network
connector. Up to
eight registers can
be connected to
an Ethernet
switch in a simple
“star topology”
configuration.
•
Optionall
y, in a 2-
unit
installatio
n (shown
below),
ECRs can
be
connecte
d with a
crossover
cable,
eliminati
ng the
need for
the
Ethernet
switch.
•
CRS
supplies
5-port
(p/n
140114)
and 8-
port (p/n
140115)
switches.
IRC Functions
Reports
Using IRC, you
can generate
consolidated X
(read) or Z (reset)
reports from any
register in the
system. The
individual report
option screens
allow you to
select “All”
registers or
specify
individual
register(s) for
consolidation.
Refer to “X
Reports” on
page 98 or “Z
Reports” on
page 109
for
detailed
report-
taking
instructions.
Busy
Registers
Reports cannot be
taken from
registers that are
busy (inside a
transaction) or
powered “OFF”.
The message
“IRC NOT
READY” will
display if an
attempt is made
Ethernet
Switch
C
C bl
