Publication 1404-UM001D-EN-E - October 2004
Communications 4-5
Optional Remote I/O Communications
Powermonitor 3000 units with a catalog number ending in “-RIO” are
equipped with an optional Remote I/O port in addition to the native
port. This dual-port option allows the use of both ports
simultaneously. The port emulates a logical quarter-rack of I/O. You
must configure the rack address, group number, baud rate and last
rack status. Configuration parameters are:
• RIO Rack Address: The logical rack address as configured in the
Remote I/O scanner module. Range 0 to 63 decimal, default 1
• RIO Group Number: Logical group number corresponding to the
Remote I/O port quarter rack. Range 0, 2, 4 or 6, default 0
• RIO Last Rack: If you are using a PLC-2 based system, set this
flag for the highest-numbered rack / group addressed device on
the channel. Range 0 or 1, default 0
• RIO Baud Rate: Sets the communications rate. Range: 57.6, 115
or 230 Kbaud, default 57.6. All devices on the channel must be
set to the same baud rate.
Use the Display Module under the PROGRAM > OPTIONAL
COMMUNICATIONS menu to set or modify Remote I/O
communications parameters.
TIP
For a logical rack address of 63 decimal, do not use
group number 2, 4 or 6. Powermonitor 3000 logical
rack addresses are expressed in decimal. You may
need to convert addresses to octal (range 0 to 77) for
some PLC applications.
Allen-Bradley HMIs
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