Omron CJ Series Operation Manual page 167

Example: This example shows how to combine the Connect Flag and Communication Error Flag as the
condition for using the input value in bit 05 of the Word Input Slave Unit with node address 08
only when the Slave Unit is operating normally.
Connect Flag
*_InCnctNdSta08
Normal operation
a
Applicable Connect Flags and Communication Error Flags
The operation of the Connect Flags and Communication Error Flags depends on the status of SW4
(REGS) on the DIP switch on the front of the Master Unit.
SW4 (REGS) of DIP switch on front of Master Unit
OFF (Registration Table Disabled)
ON (Registration Table enabled)
Assignments of Connect Flags and Communication Error Flags
For each node address, a Connect Flag and a Communication Error Flag are assigned to I/O ports.
The I/O ports to which the Connect Flags and Communication Error Flags are assigned depend on
whether the node address is for a Word or Bit Slave Unit and whether it is for Input or Output Unit.
For a Mixed I/O Slave Unit, the Flags are assigned only to the I/O ports for an Input Slave Unit.
CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)
Communication
Normal operation
Error Flag
a
*_InErrNdSta08
WORD IN Data08
Bit05
*_InDat08_05
Input processing from applicable Slave Unit
5 Remote I/O Communications
Object of Connect or Communication Error Flag
All Slave Units
Registered Slave Units only. Connect Flags and
Communication Error Flags for unregistered Slave
Units do not operate.
5
5-15