GE GFK-1541B manual Exchange Status Word Error Codes, Sntp error

5

Exchange Status Word Error Codes

The following table shows the error codes that can be written to the Exchange Status word.

Value	Produced /	Error	Description
(Dec.)	Consumed
		No new status	Produced: Initial value until the first producer period refresh occurs.
0	P/C	event has	Consumed: The data has not been refreshed since the previous
		occurred.	consumption scan and the consumer timeout has not expired.
1	P	No error	The exchange is producing data.
		currently exists.
1	C	No error, data	The data has been refreshed on schedule since the previous
		consumed.	consumption.
		SNTP error. .	The Ethernet Interface in the producer is configured for network time
3	C		synchronization, but is not synchronized to an SNTP server. The data
			has been refreshed on schedule.
		Specification	Produced: During exchange configuration*, an invalid configuration
		error.	parameter was received by the Ethernet Interface or an error occurred in
4	P/C		communication with the PLC CPU.
			Consumed: Same as Produced, or the size of a received packet for this
			exchange definition did not match the expected size.
6	C	Refresh timeout	The exchange’s timeout period is configured to a non-zero value and the
		without data.	data has not been refreshed within the timeout period.
7	C	Data after	The data has been refreshed since the previous consumption, but was
		refresh timeout.	not refreshed within the timeout period.
		IP Layer not	This status can be set during exchange configuration* if the Ethernet
10	P/C	currently	Interface detects that it cannot currently access a network (cable not
		initialized.	connected, hardware failure, etc.) This is a temporary status that may
			change if successful network access becomes possible.
		Lack of	Local resources are not available to establish the exchange. This error
12	P/C	resource error.	can only occur during exchange configuration*. The PLC Fault Table
			should be examined to obtain more detail on the specific error.
		Name	A local produced exchange definition has specified a name for the
		Resolution in	consumer address and the local Ethernet Interface is awaiting a response
16	P	progress.	from a remote name server following exchange configuration*. This is a
			temporary status that will change when the name resolution completes. If
			successful, the status will become 0 (No New Data); if unsuccessful, the
			status will become 4 (Specification Error).
		Loss of Ethernet	This error can occur if the CPU no longer recognizes the Ethernet
18	P/C	Interface error.	Interface within the PLC rack. A loss of module PLC Fault Table entry will
			also be present. The error can also occur if the module in the given slot of
			the PLC rack does not match the module specified in the configuration
			(configuration mismatch).
		Ethernet
22	P/C	Interface does	The revision level of the Ethernet Interface does not support global data.
		not support
		EGD.
		No Response	Did not respond to establish exchange request. This fault can only occur
26	P/C	from Ethernet
			during exchange configuration*.
		Interface.
		Failed to create	An error occurred (other than a resource error, no response or loss of
28	P/C	an exchange.	Ethernet Interface) during exchange configuration*. A PLC Fault Table
			entry is provided for additional information about the fault.

*Exchange configuration occurs when either 1) Hardware Configuration containing EGD is stored to the PLC, 2) a PLC containing EGD configuration powers up, or 3) an Ethernet Interface configured for EGD is restarted.

5-24 TCP/IP Ethernet Communications for the Series 90™ PLC User's Manual– May 2002 GFK-1541B