Errors and Diagnostic Messages

POWER LEADER™ Ethernet Gateway

Chapter 5 – Errors and Diagnostic Messages

The Ethernet Gateway can be set to send diagnostic messages to the RS232 port to be displayed on a

terminal (see Chapter 3). These diagnostic messages can be very useful in tracking down errors in configuration or device addressing.

Diagnostic messages sent to the RS232 port in moni- tor mode have the following format:

Table 6 explains what each field means:

Field		Meaning

		The relative time of the message in timer
		ticks. This rolls over every
		1,000,000,000 timer ticks.
		Indicates the direction of the message:
		E-n (n = 1,2,3 or 4) indicates a message
		sent from the Ethernet Gateway to
		RS485 port number 1,2,3 or 4
		n-E indicates a message sent from
		RS485 port number 1,2,3 or 4 to the
		Ethernet Gateway

		Header byte added to regular Modbus
		message. Printed as two hex digits.
		Binary data of regular Modbus message.
		Printed as two hex digits.

	Table 6. Diagnostic messages key.

Table 7 gives error messages that may be generated by the Gateway and displayed at the PMCS host.

Message	Meaning

Error - Buffer Overflow	One or more buffers have
	overflowed.
Error - Writing to Flash	An attempt to write to flash ROM
ROM	(drive A) has failed.

Error - Reading Flash	An attempt to read the flash ROM
ROM	(drive A) has failed.

Table 7. Error message key.