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10.2.30 Supervision of response for pinging (Ping error)
LAN communication error† is detected by pinging for the addresses instructed.
†Note: see Chapter
Technical description: Signal processing and communication module
Error level
(i)
Error level has been set at level 3 (Minor error; default), but the user can change it with
program the level using settings [CHK_PING*:LVl]. Remember that the user needs to set On
for settings [CHK_PING*:Sw]. The manufacturer has set 100 sec. to detect a failure. The error
will be reset in 20 seconds when the error is resolved.
Error message
(ii)
When detecting an error, the error message will be shown on LCD screen. LED will be lit up.
Table 10.2-59 Error messages provided by the supervisor in CHK_PING
Message and level
LAN* (ping) error
Error level
Table 10.2-60 Detailed information in Hexadecimal in CHK_PING
Display
area
Top
Destination address for pinging
row
Middle
(No information is displayed)
row
Bottom
(No information is displayed)
row
Communication Protocol: LAN operation
Detection of the pinging failure instructed with "LAN*" as
follows:
LAN1 (ping):
LAN2 (ping):
Minor error (Level 3)
Meaning of the detailed information
Left column
- 832 -
Meaning of the information
Communication module (Port1 at C1)
Communication module (Port2 at C2)
(No information is displayed)
(No information is displayed)
(No information is displayed)
6F2T0207 (0.01)
(→p. 865), or Chapter
(→p. 645).
Right column
GRE200 (5,6)
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