Omron CJ Series Operation Manual page 183

Device variables for the
CJ-series Unit
*_SlavCommErr
*_RegTblErr
*_CommStopSta
*_SlavDupErr
CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)
Data
R/W Name
type
BOOL R Communications
Error Flag
BOOL R Registration Table
Verification Error
Flag
BOOL R Communications
Error Communi-
cations Stop Flag
BOOL R Slave Unit Dupli-
cated Address
Error Flag
5 Remote I/O Communications
Description
FALSE: Normal
TRUE: Error
This flag changes to TRUE if a communications error
occurs in even one of the applicable Slave Units.
*1 All Slave Units are applicable if the power supply was
turned ON to the Controller or the Controller was reset
with SW4 (REGS) set to OFF on the Master Unit. Only
the registered Slave Units are applicable if the power
supply was turned ON to the Controller or the Control-
ler was reset with SW4 (REGS) set to ON on the Mas-
ter Unit.
This flag is enabled only when Registration Table Enable
Mode (i.e., when SW4 (REGS) was set to ON on the
Master Unit when the power supply to the Controller was
turned ON or the Controller was reset).
FALSE: Normal
TRUE: Verification error
This flag is TRUE if there is a disagreement between the
Slave Units (i.e., combination of node addresses and
models) in the Registration Table and the Slave Units
which actually are participating when the power supply to
the Controller is turned ON or the Controller is reset.
Note Remote I/O communications will start even if this
flag is TRUE.
FALSE: Operation is normal or SW3 (ESTP) on the
Master Unit is set to OFF (Communications
Error Communications Stop Mode disabled).
TRUE: Error (when SW3 (ESTP) on the Master Unit is
set to ON (Communications Error Communica-
tions Stop Mode enabled) and remote I/O com-
munications stopped due to a communications
error).
After this flag changes to TRUE, it will remain TRUE until
the power supply is cycled or the Controller is restarted.
Note The status of all Repeater Units and Slave Units
affect this variable.
FALSE: Normal
TRUE: Error (The same node address is set for two
Slave Units, two Slave Units use the same
memory area even though they are set to differ-
ent node addresses, or a Slave Unit left the net-
work and then a Slave Unit with the same node
address but with a different number or type of
inputs or outputs joined the network.)
Note Remote I/O communications will start even if this
flag is TRUE.
*1
5
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