Mitsubishi L26CPU-BT, Руководство пользователя

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15 - 16 15 - 16
15 TROUBLESHOOTING
(3) Problems on abnormal cyclic data of an intelligent device station
(local station)
Description of problem Check item Check contents Check procedure Corrective action
Is the automatic refresh set
properly?
(RX, RY, RWw, RWr, SB, SW) Check if there is no overlapping
with devices used in the program
or in other networks. Set so as not to overlap with
devices used in the program or in
other networks.
Check if there is no overlapping
with devices used in the program
or in other networks, in the
master station. Access the corresponding
address of the master station.
Set so as not to overlap with the
device used in the program.
E1-1 Refresh data area
Is the access to buffer memory
correct?
(RX, RY, RWw, RWr, SB, SW)
Check if there is no overlapping
with devices used in the program
or in other networks, in local
stations. Access the normal address at the
local station side.
Set so as not to overlap with the
device used in the program.
Unable to read/write
cyclic data
E1-2 Parameter setting
Is there any fault in the reserved
station setting?
Check if the reserved station is
not set or the corresponding
station bits (SW0074 to SW0077)
are not set to "1".
Release the reserved station
setting.
Unable to read/write
word data
E2-1 Parameter setting
Is there any fault in the
consistency with the parameter?
Check if any remote I/O station is
installed to the corresponding
station number.
Combine the parameter and the
installed model.
Unable to read/write
cyclic data at the low
order area.
E3-1 Parameter setting
Is there any fault in the
consistency with the parameter?
Check if any device, which
number of occupied stations is
small, is installed to the
corresponding station number.
Combine the number of occupied
stations of the parameter and
installed model.
Unable to RY-output. E4-1 Refresh instruction
Is the refresh instruction
(SB0003) executed? Check if the refresh instruction
(SB0003) is turned on. Turn on the refresh instruction
(SB0003).
Unable to operate at
the number of
occupied stations
specified by the local
station.
E5-1 Function version
Does the module version support
settings with 2 or 3 occupied
stations?
Check if the used module is either
of the followings:
•
L series master/local module
•
QJ61BT11N
•
A1SJ61BT11, A1SJ61QBT11
(hardware version G or later)
Use a master module of the
supported version.
Set to the 1 station occupied or 4
stations occupied.