Mitsubishi 800 Series User Manual page 125

12. Svstem Confiaumtions When Makina Bus Connections MELSEC GOT
12.1.5
Resetting the hardware with a
bus
connection
When connecting buses to GOT, hardware cannot be reset even
if
the reset switch on the back of
the GOT main module is depressed, except after the operations shown below have been per-
formed with utility function.
During bus connection, execute GOT boot up again (power supply: OFF
+
ON) to reset hardware.
When hardware can be reset by pressing the reset switch
After language switchover operation (Japanese/English switchover)
After changing settings of setup function and terminating utility screen
After performing user area check of the self-diagnosis function and terminating utility screen
12.1.6 Precautions when using the A7GT-BUS
There are hardware versions of the A7GT-BUS that cannot be used for the connected CPU and
GOT installation distances. so take due caution.
A7GT-BUS
installing position
1
st machine
2nd machine
3rd machine
Distance from PC
Connected CPU
Hardware versions
of
the A7GT-BUS
CPU
that can be
used.
Q4ARCPU
Versions
C
and
later
can be used. Versions
Installed within the
ex-
MELSEC-QnA
series tension overall dis-
A
and
B
cannot be used.
cannot be used.
CPUs
other than
Q4ARCPU
tance limitations.
Versions
B
and later can be used Version
A
Versions
C
and later can be used. Versions
A
and
B
cannot be used.
AOJ2HCPU
MELSEC-A
series Versions
A
and later can be used.
CPUs
other than
cannot
be
used.
AOJ2HCPU
Versions
B and
later
can be used.
Version
A
Installed without the
extension overall dis-
tance limitations.
Installed within the ex-
extension overall dis-
Installed without the
tance limitations.
regardless
of
the connected
CPU
or
GOT. tension overall dis-
Version
C
and later can be used and versions
A
and
B
cannot be used
The hardware version can be checked to see if it is a A7GT-BUS main module back rated hard-
ware version.
MlTSUBlSHl
MODELA7GT-BUS
I I
1
DATE
9501
I
I I
I
I
MlTSUBlSHl
I I
Modules for which there is no version written in the
The letter indicated
by
the arrow of the
DATE
column
DATE
column are hardware version A
.
is
the hardware version.
1 2 - 5