Mitsubishi Electric MELSEC-Q Series - Page 60

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(e) Time of occurrence
Time of transmission path switching is stored as a BCD code.
● Transmission path switching history can be checked in "Logging" of the CC IE Control diagnostics. ( Page 533,
Section 10.3.3)
● Transmission path switching history can be cleared by the following.
• Clearing error information in "Logging" of the CC IE Control diagnostics. ( Page 533, Section 10.3.3)
• Setting Clear loop switching counter (SB0009) to ON. ( Page 568, Appendix 1)
• Powering off and on the system or resetting the CPU module
+6
+7
+8
+9
+2
+0
+1
+3
+4
+5
b15 b8 b7 b0to to
Un\G2786 to 2795
Un\G2936 to 2945
Un\G2796 to 2805
Month (01
H to 12H)
Hour (00
H to 23H)
Second (00
H to 59H)
Year (00H to 99H), first 2 digits
Year (00
H to 99H), last 2 digits
Day (01H to 31H)
Minute (00
H to 59H)
Day of week (0
H to 6H)
*1
IN-side loopback station No.
Post-switching status
No. of connected modules
OUT-side loopback station No.
System area (use prohibited)
System area (use prohibited)
*1 0
H: Sunday to 6H: Saturday
History 1
History 16
History 2
Time of
occurrence