GE GEFanuc Automation Programmable Control Products TCP/IP Ethernet Communications for the Series 90t-70 PLC GFK-1004B User Manual

Page 201

6-30

TCP/IP Ethernet Communications User’s Manual – January 1996

GFK-1004B

Table 6-10. Exception Log Event Codes - Continued

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Log Event

Code

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Possible Cause and Resolution

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Event “1b”
SRTP server
event
(Continued)

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28 “Bad remote application request; discarded request”

A PDU arrived with a non-zero data_length field, but was of a class of
PDU’s which must have zero (0) in this field. Entry 4 contains the PDU’s type
code. Valid PDU type codes are listed above in the description of entry 2 =
21H. The value of the data_length field is contained in Entries 5 and 6.

29 “Bad remote application request; discarded request”

An Error Request PDU arrived from a remote SRTP endpoint. Entry 4 contains
the SRTP error code. Entry 5 contains the invoke ID of the SRTP PDU causing
the Error Request to be sent.

2b “Bad remote application request; discarded request”

A valid SRTP PDU arrived, but the SRTP Server does not support handling it.
The value of the pdu_type field is contained in Entry 4. Valid PDU type codes
are listed above in the description of Entry 2 = 21H.

2c “LAN system-software fault; resuming”

Internal error: An attempt to write an SRTP Connect Response was made
prematurely.

2d “LAN system-software fault; resuming”

Internal error: More response data arrived from the Backplane (PLC) Driver
when more data was unexpected. Entry 4 contains the SRTP PDU type
associated with the response data. Valid PDU type codes are listed in the
description of Entry 2 = 21H.

2e “LAN system-software fault; resuming”

Internal error: A mismatched Backplane (PLC) Driver transfer identifier was
detected in the context of reading TCP data. Entry 4 contains the transfer
identifier.

2f “LAN system-software fault; resuming”

Internal error: Failed to allocate a new transaction machine.

30 “LAN system-software fault; resuming”

Internal error: Failed to find a transaction machine on the send queue
matching the desired Backplane (PLC) Driver task identifier and transfer
identifiers. Entry 4 contains the task identifier, and Entry 5 contains the
transfer identifier.

31 “LAN system-software fault; resuming”

Internal error: An attempt was made to activate an idle PDU machine.

32 “LAN system-software fault; resuming”

Internal error: A PDU machine was in an unexpected state.

33 “LAN system-software fault; resuming”

An attempt to read more TCP data for a transaction machine failed.

34 “LAN system-software fault; resuming”

Internal error: Failed the setup required to read the data field of an SRTP PDU.