Toshiba GR200 Series Instruction Manual page 1333

Propagation delay error (Com Td)
10.5.7
Propagation delay on the communication can be monitored; it can be detected when the
propagation delay is examined beyond the setting. The delay error is issued when the delay is
detected for ten seconds.
Error level
(i)
Generally, the default error level is set at level 3 (Minor error) when the delay is 6000 micro
seconds larger. However, the user can program the criterion time using settings
[CHK_TD_OVER1:Td] and [CHK_TD_OVER2:Td] in micro seconds; then, set On for the
settings [CHK_TD_OVER1:Sw] and [CHK_TD_OVER2:Sw] after set preferred error levels of
the settings [CHK_TD_OVER1:Lvl] and [CHK_TD_OVER2: Lvl]. The manufacturer sets ten
(10) seconds to detect the failure; it is reset with in a second when the failure is cleared.
Error message
(ii)
When the function operates and detects error, an error message can be shown at the LED and
the LCD screen.
Table 10.5-15 Error messages provided by the supervisor in CHK_TD_OVER
Message and level
ComX Td over
Error level
Table 10.5-16 Detailed information in Hexadecimal in CHK_TD_OVER
Display
area
Top
Delay time expressed in the
row
Middle
(No information is displayed)
row
Bottom
(No information is displayed)
row
Detection for delay time being over at X module
Minor error (Level 3)
Meaning of the detailed information
Left column
hexadecimal
- 1310 -
Meaning of the information
Right column
Setting time expressed in the hexadecimal
(No information is displayed)
(No information is displayed)
6F2S1914 (0.49)
GRL200 (Soft 033 & 037)