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10.5.6 Error signal level for receiving (RX level)
Similarly, the signal level for receiving can be monitored when On is set for the setting. The
error signal is issued when the erroneous signal is sensed for ten seconds. Note that this
monitoring is not available for the communication module for the short distance.
(i) Error level
Generally, the default error level is set at level 3 (Minor error), but the user can program the
level using settings [CHK_RX_LVL1:Lvl] and [CHK_RX_LVL2:Lvl]; then, set On for the setting
[CHK_RX_LVL1:Sw] and [CHK_RX_LVL:Sw]. The manufacturer sets ten (10) seconds to detect
the failure; it is reset with in a second when the failure is cleared.
(ii) Error message
When the function operates and detects error, an error message can be shown at the LED and
the LCD screen.
Table 10.5-13 Error messages provided by the supervisor in CHK_RX_LVL
Meaning of the information
Detection for receiving level improperly at x module
Table 10.5-14 Detailed information in Hexadecimal in CHK_RX_LVL
Meaning of the detailed information
(No information is displayed)