D Devices; Device Data Area - Mitsubishi Electric GOT1000 Series Connection Manual

3.3.1

D devices

The D devices are word devices into which GOT communication errors, clock data or other information are stored.
The user can also store data using the user area.

List of D devices
The following lists the D devices (virtual devices inside the GOT).
Address
D0 to 2
Communication error status
D3
• b4 to 6 turn ON when an SIO error occurs, and turn OFF when an request message from the host is received
• b7 turns ON about 3 seconds after the host side DTR becomes OFF, and turns OFF when transmission is
Clock data (year)
D4
Clock data (month)
D5
Clock data (day)
D6
3 - 4
3. MICROCOMPUTER CONNECTION (ETHERNET)

3.3 Device Data Area

Stores the communication error details of GOT.
b15 –
successfully after the error occurrence.
performed successfully to the host after the error occurrence.
b15 – b8
b15 –
b15 –
Description
Unused
–
b8 b7 b6 b5 b4 b3
b7 –
b8 b7 –
b8 b7 –
0: Normal
1: Error
b0
Unused
SIO framing error
SIO parity error
SIO overrun error
Communication timeout
error
Unused
b0
Lower 2 digits of calendar
year stored as 2-digit BCD
Unused
b0
Data of months 01 to
12 stored as 2-digit BCD
Unused
b0
Data of days 01 to
31 stored as 2-digit BCD
Unused
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Set side
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System