Emerson E2 operation manual Echelon Network

SYMPTOM	POSSIBLE PROBLEM	SOLUTION
Echelon Network Problems	Faulty wiring.	Check connections. Are wires
		broken or loose? Check network
		polarity (positive to positive/
		negative to negative). Check for
		wire damage.
	Termination jumpers are set	Check for proper setting of ter-
	incorrectly.	minating resistance jumpers.
		Network segment should be ter-
		minated on the two endpoints of
		the daisy chain and unterminated
		everywhere else. Refer to Sec-
		tion 8.4, Device Termination.
	Subnet (unit #) is set incorrectly.	Each controller must have its
		own subnet address. Refer to
		Section 8.3, Echelon Network
		Structuring (Daisy-Chains).

F-2 • E2 RX/BX/CX I&O Manual 026-1614 Rev 4 5-JAN-2013