Schneider Electric 840 USE 106 0 manual Registers dialog screen

		ProWORX Nxt Configuration
Field and	The following table describes the functions of the fields of the Command/Status
functions	Registers dialog screen:
	Field	Function
	Swap Port 1	Use to specify if Modbus Port 1 address on
		primary PLC will change to the standby PLC
		Modbus Port 1 address when a switchover
		from primary to standby occurs. The 2
		options for this field are:
		lYes - address changes on switchover
		No - address does not change on
		switchover
	Swap Port 2	Use to specify if Modbus Port 2 address on
		primary PLC will change to the standby PLC
		Modbus Port 2 address when a switchover
		from primary to standby occurs. The 2
		options for this field are:
		lYes - address changes on switchover
		No - address does not change on
		switchover
	Swap Port 3	Use to specify if Modbus Port 3 address on
		primary PLC will change to the standby PLC
		Modbus Port 3 address when a switchover
		from primary to standby occurs. The 2
		options for this field are:
		lYes - address changes on switchover
		No - address does not change on
		switchover
	Controller A Mode	Use to specify the operating mode for the
		PLC at startup when the keyswitch override
		is enabled. There are 2 options for this field:
		lOffline
		Run
	Controller B Mode	Use to specify the operating mode for the
		PLC at startup when the keyswitch override
		is enabled. There are 2 options for this field:
		lOffline
		Run
	Standby Mode (on logic mismatch)	Use to specify Standby PLC’s state if a
		mismatch is detected between its logic
		program and the Primary PLCs logic
		program. The 2 state options are:
		lYes – Online Standby with logic mismatch
		No – Offline with logic mismatch

840 USE 106 00 January 2003 221