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19.4 Device Data Area
19.4.5 SD devices
19.4.5 SD devices
The SD devices are word devices into which GOT communication errors (error codes), clock data and other
information are stored.
1 List of SD devices
The following lists the SD devices (virtual devices inside the GOT).
(Continued on next page)
*1 For details and corrective actions for the errors (error codes) that are stored into SD2, refer to the following:
Details and actions for errors (error codes) stored into SD2
Address Description Set side
SD0
SD1
100ms counter (32 bits)
The counter is incremented at 100ms intervals after GOT is turned ON.
(The time elapsed after GOT is turned ON is stored in 100ms units.)
The lower and upper words are stored to SD0 and SD1 respectively.
System
SD2
*1
Communication error status
An error data (error code) occurred during communication is stored.
• Host Address (Communication error that occurred on the request destination GOT)
0: No error
1: Parity error
2: Framing error
3: Overrun error
4: Communication message error
5: Command error
6: Clock data setting error
• Other station (Communication error that occurred on another GOT when multiple GOTs are
connected)
101: Parity error
102: Framing error
103: Overrun error
104: Communication message error
105: Timeout error (No station of the specified address exists.)
106: Multiple units not connectable
107: Clock data setting error
SD3
Clock data (second)
Second data of 00 to 59 is stored.
SD4
Clock data (minute)
Minute data of 00 to 59 is stored.
SD5
Clock data (hour)
Hour data of 00 to 23 is stored.
SD6
Clock data (day)
Day data of 00 to 31 is stored.
SD7
Clock data (month)
Month data of 00 to 12 is stored.
SD0SD1
Lower wordUpper word
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