Mitsubishi Electric GT1695M-XTBD User Manual page 426

(4) GOT restoration procedure
Follow the procedures below starting from (a) and in order to check if the GOT is restored.
If the GOT is not restored, proceed to the next item.
Check item
(a) Press the GOT reset switch.
Restored Not restored
(b) Power the GOT ON/OFF.
Restored Not restored
(c) Reset or power ON/OFF the PLC
CPU.
Restored Not restored
(d) Power the GOT and PLC CPU
ON/OFF simultaneously.
Restored Not restored
(e) Connect the cable again.
Restored Not restored
(f) Reinstall the project data.
Restored Not restored
(g) Reinstall the OS.
Restored Not restored
(h) Take the action described in the
"Action" column.
Restored Not restored
(i) Replace the unit/module.
Restored Not restored
The GOT is not restored even by
performing (a) to (i).
*1: The GOT reset switch does not operate when the bus connection is used.
*2:
*3: By powering OFF the GOT, an error occurs in the control station when the MELSECNET/H connection is used or
16
16.1 GOT Restoration Sheet
- 5
*1, 3
(Proceed to (b).)
*2, 3
(Proceed to (c).)
The GOT may have malfunctioned
temporarily due to noise.
(Proceed to (d).)
(Proceed to (e).)
The cable connection may be faulty.
(Proceed to (f).)
Data may have been destroyed by an
(Proceed to (g).)
action such as powering the GOT
OFF during the installation of project
data or OS.
(Proceed to (h).)
The GOT may have malfunctioned
temporarily due to noise.
(Proceed to (i).)
The hardware of the unit/module may
be faulty.
When the bus connection is used, do not power the GOT ON again (OFF
ON.
When powering the GOT ON again (OFF
in the master station when the CC-Link connection (intelligent device station) is used.
Cause
Take the action of (4)-(h).
Securely connect the cable.
If an error occurs again, proceed to
(5) Troubled product investigation.
Do not power the GOT OFF while
transferring data.
If an error occurs again, proceed to
(5) Troubled product investigation.
Take the action with referring to
GOT installation status check sheet.
Install the unit/module with which the
GOT malfunctioned again to see if
the unit/module caused the
malfunction.
After checking, proceed to (5)
Troubled product investigation.
Proceed to (5) Troubled product
investigation.
ON), power OFF the PLC before that.
Action
ON) while the power of the PLC is