Mitsubishi Electric QJ71PB93D User Manual page 44

3 SPECIFICATIONS
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(b) When extended trouble is removed
When the host is not faulty anymore, notify the master station that there is
no fault.
In the following procedure, the QJ71PB93D can notify the master station
that the extended trouble of the host has been removed.
1) In the buffer memory 7F9
2) Turn on the extension trouble notification request signal (Y02).
3) After the extension trouble notification completion signal (X02) has
turned on, turn off the extension trouble notification request signal (Y02).
(c) DIA LED of QJ71PB93D front panel is turned on as follows.
Y02
X02
7F9
H
Off
DIA
(10) Current operation mode (buffer memory address 8CE
Stores the current operation mode.
Refer to Section 3.5 for the operation mode.
Stored Value
0000 Normal operation mode
H
0002 Self-diagnostic mode
H
At power-on or CPU reset, the module starts in the normal operation mode.
(11) Operation mode change request area
Set any of the following values when changing the operation mode of the
QJ71PB93D with the operation mode change request signal (Y11).
Set Value
0000 Normal operation mode
H
0002 Self-diagnostic mode
H
At power-on or CPU reset, "FFFE
If an operation mode change request is executed with any value other than the
set value, the operation cannot be guaranteed.
(12) Operation mode change result area
Stores the result of changing the operation mode in response to the operation
mode change request signal (Y11).
0 : Normal completion
1 : Abnormal completion (A change request was made with an illegal value
set in the operation mode change request area (buffer memory address:
8CF ))
H
, set the data length 0.
H
Except 0
On
(buffer memory address 8CF
Description
" is stored.
H
(buffer memory address 8D0
MELSEC-Q
0
Off
: Un\G2254)
H
Mode
: Un\G2255)
H
: Un\G2256)
H
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