Toshiba DeviceNet nv Series, Инструкция по эксплуатации, Страница: 72 / 159

Chapter 4 Settings
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f)
Completion status is output to STATUS.
g)
If REQ is FALSE, both DONE and ERR turn FALSE.
h)
When this function block is started (when REQ is turned TRUE), keep REQ TRUE till DONE becomes
TRUE.
4) Others
a)
RETYPE (Type of request information) is as follows:
1: RAS history 2: Event history 3: Execution node information
4: RAS information clear
b)
POSITION (read start position) is valid for the read request "event history" only. To read other types
of request, enter 0.
c)
If 0 is entered in POSITION (read start position) in reading event history, event history can be read
beginning with the newest event.
d)
N (read quantity) is valid for the read request "event history" only. To read other types of request, enter
0.
e)
The maximum value that can be set for N (read quantity) is 10. That is, a maximum of 10 sets of event
history can be read by a RAS information read request.
f)
RAS information read data
READ_DT structure
RASDAT[0] WORD type RAS information (0)
RASDAT[1] WORD type RAS information (1)
~ ~ ~
RASDAT[255] WORD type RAS information (255)