Devices - Mitsubishi Electric GOT2000 Series Connection Manual

2.4.1 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.
■1. List of D devices
The following lists the D devices (virtual devices inside the GOT).
Address
D0 to 2
Communication error status
Stores the communication error details of GOT.
b15
D3
• b4 to 6 turn ON when an SIO error occurs, and turn OFF when an request message from the host is received
successfully after the error occurrence.
• b7 turns ON about 3 seconds after the host side DTR becomes OFF, and turns OFF when transmission is
performed successfully to the host after the error occurrence.
Clock data (year)
b15
D4
Clock data (month)
b15
D5
Clock data (day)
b15
D6
POINT POINT POINT
Values of virtual devices inside the GOT
When the GOT is turned OFF or reset, values are cleared to their defaults
(bit devices: OFF, word devices: 0).
Values are held in the memory when project data are written to the GOT.
– b8 b7
– b8 b7
– b8 b7
– b8 b7
Description
Unused
0: Normal
1: Error
b6 b5 b4 b3 – 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
2.4 Device Data Area
2
Set side
―
System
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