RX3i Ethernet NIU 13
GFK-2419M
Subject Description
Hot Swap
Hot Swap of power supplies or ENIUs is not supported.
Serial Port Configuration
COMMREQs
With the following combination of circumstances, it is possible to render serial
communications with the ENIU impossible:
User configuration disables the Run/Stop switch
User configures the power up mode to Run or Last
Logic is stored in FLASH and user configures ENIU to load from FLASH on
power up
User application issues COMMREQs that set the protocol on both of the
serial ports to something that does not permit communications to the
Machine Edition programmer.
Incorrect COMMREQ status for
invalid program name
The program name for PACSystems is always "LDPROG1". When another
program name is used in a COMMREQ accessing %L memory, an Invalid Block
Name (05D5) error is generated.
FANUC I/O Master and Slave
operation
The first operation of the scan set on the master does not work after entering RUN
mode. They work properly for subsequent scans. After downloading a new
hardware configuration and logic, a power cycle may be required to resume
FANUC I/O operation.
Use Ethernet NIUs of similar performance in FANUC I/O networks.
Repeated power up/down cycles of an expansion backplane containing FANUC
I/O slaves may result in failure of the slaves’ operation, with the RDY LED off.
Lost count at power up for
Serial IO Processor
The serial IO Processor (IC693APU305) will lose the first count after every power
up or every time the module receives a configuration.
COMMREQ Status Words
Declared in Bit Memory Types
Must Be Byte-Aligned
Prior to release 3.50, the CPU allowed configuration of COMMREQ Status Words
in bit memory types on a non-byte-aligned boundary. The firmware adjusted
references to the next-lowest byte boundary before updating status bits,
overwriting the bits between the alignment boundary and specified location. Now,
COMMREQ Status Words in bit memory types must be byte-aligned. Specify the
appropriate aligned address (%I1) to ensure that the utilized location is
appropriate
Installation in Hazardous Locations
EQUIPMENT LABELED WITH REFERENCE TO CLASS I, GROUPS A, B, C & D, DIV. 2 HAZARDOUS LOCATIONS IS
SUITABLE FOR USE IN CLASS I, DIVISION 2, GROUPS A, B, C, D OR NON-HAZARDOUS LOCATIONS ONLY
WARNING - EXPLOSION HAZARD - SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I,
DIVISION 2;
WARNING - EXPLOSION HAZARD - WHEN IN HAZARDOUS LOCATIONS, TURN OFF POWER BEFORE REPLACING OR
WIRING MODULES; AND
WARNING - EXPLOSION HAZARD - DO NOT CONNECT OR DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN
SWITCHED OFF OR THE AREA IS KNOWN TO BE NONHAZARDOUS.
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