LG GLOFA-GM Series User Manual page 334

Programmable logic controller cnet i/f module
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Chapter 11 Troubleshooting
[Table 11.4] Error during TX monitor operation of frame editor
Error code
[No sent data] message occurs from the
ERR-6
beginning during requesting of TX moni-
tor start
Monitor data is not correctly received
ERR-7
during TX monitor operation
[Table 11.5] NAK transmission during slave communication in dedicated mode
Error code
NAK frame is sent to as response to
ERR-8
request frame of other station. (NAK
LED(4,12) of Cnet I/F module flashes)
[Table 11.6] No response during slave communication in dedicated mode
Error code
No response is sent to request frame of
ERR-9
other station.
[Table 11.7] GMWIN connection error
Error code
Modem connection and initialization are
ERR-10
not performed.
Error indication
Error indication
Error indication
Error indication
11-2
Error contents
Incorrect frame definition by frame editor, or
disagreement between communication command
and frame, or incorrectly connected cable. (Bad
connection with communication module)
CPU or communication module error
• Bad cable connection.
• Disagreement of basic parameters between
PC and communication module.
Error contents
• Protocol disagreement of dedicated communication
frame.
• Bad cable connection.
• Disagreement of communication basic parameters
Error contents
• Incorrectly specified station No. of frame editor.
• Bad cable connection.
Error contents
• Operation mode setting error in Cnet I/F module.
• Disagreeable initialization command of modem.
• Bad connection with cable and telephone line.

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