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Comparison with Previous Models Section 1-4
Starting and stopping remote
communications during I/O
communications
Starts or stops remote I/O communications using the Configurator or the software switch
from a Programming Device.
Remote I/O communications
with a communications error
Sets remote I/O communications start or stop when an error occurs in master communica-
tions (set on DIP switch on the front of the Master).
Communications parameters Can be changed (communications cycle time).
Sending explicit messages
to slaves made by another
company
Supported
Master error history Yes (Can be read by the Configurator or FINS command.)
Setting communications
cycle time
Supported (by the Configurator) Supported (with or without the Configurator)
Monitoring current communi-
cations cycle time
Supported
Switch that disables commu-
nications error stoppage
The switch that cancels communications
error stoppage is different from the one that
starts remote I/O communications.
The same software switch is used to cancel
communications error stoppage and to start
remote I/O communications.
Error with multiple Units
mounted
A mounting error occurs with fixed alloca-
tions.
An error does not occur even with multiple
Units mounted. Operation will continue even
if the same words are allocated to more than
one Unit.
Error code on
the front
panel 7-seg-
ment display
Error with
multiple Units
mounted
Display: E4 No check for multiple mounted Units.
PC initializa-
tion error
Display: F5 Used more detailed error codes in initializa-
tion phase. Display: H
.
RAM error Display: F5 Changed to H3 (related to the above).
Incorrect
switch setting
Display: F5 Changed to H5 (related to the above).
Routing table
error
Display: E5 Changed to HC (related to the above).
PLC Unit
WDT error
Display: All lit Display: E7 Unit does not reset. Explicit
server functions run.
EEPROM
error
Display: F8 Stops operation to store the
scan list.
Display: E3 Operation continues for error
history only (scan list stored in flash ROM)
Configura-
tion data
error (scan
list SUM
error)
Display: E8 Continues operation in DIS-
ABLED mode.
Display: F7 Stops remote I/O communica-
tions in Master communications.
Item C200HW-DRM21-V1 CS1W-DRM21/CJ1W-DRM21