Toshiba GR200 Series Instruction Manual page 500

Supervision of SubUnit-connection (SUB Conn. Error)
9.2.18
The connection between the MainUnit and the SubUnit#1/SubUnit#2 is checked cyclically.
Error messages will be shown by Write-Read check, CRC check, Connection check, and Address
check.
Error level
(i)
The level of the error has been set at level 1 (Serious error
can program the level using settings [CHK_SUBCONN1:Lvl] and [CHK_SUBCONN2:Lvl]. Set
On for the settings [CHK_SUBCONN1:Sw] and [CHK_SUBCONN2:Sw] to check the connection
with SubUnit#1 and SubUnit#2.
Note: When the error is detected, other supervision functions will be stopped.
1
Note: For the connection, see Chapter
2
communication modules (CPU)
Error message
(ii)
When detecting an error, an error message can be shown on the LCD screen and an LED is lit.
Table 9.2-36 Error messages provided by the supervisor in CHK_SUB_CONN
Message and level
SUB1 Conn. Error
SUB2 Conn. Error
Error level
Table 9.2-37 Detailed information in Hexadecimal in CHK_SUB_CONN
Display
area
00000001:
00000010:
00000100:
Top
00000200:
row
00000400:
00001000:
00010000:
XXXX YYYY
Middle
row YYYY: SUB address
XXXX: (N/A)
XXXX YYYY
Bottom
row YYYY: SUB address check result
XXXX: (N/A)
Technical description: Signal processing and
.
Meaning of the information
Occurrence of the connection failure with SubUnit#1
Occurrence of the connection failure with SubUnit#2
Serious error (Level 1)
Meaning of the detailed information
Left column
W/R error
SUB address error
Main-SUB Connection error
Main->SUB CRC error
SUB->Main CRC error
Mismatch address
CRC detected in A/D in VCT
- 486 -
6F2S1931 (0.20)
), as a default. However the user
1
Right column
XXXX YYYY
YYYY: write data
XXXX: read data
XXXX YYYY
YYYY: Main-SUB check value
XXXX: (N/A)
XX YY ZZZZ
ZZZZ: error CRC value
YY: 16 to 29 count
XX: 30 and 31 count
Centralized GRB200
(Soft: 030, 031, 032, 033, 034)