Periodic Inspections - Toshiba Vm Series Instruction Manual

8.2

Periodic Inspections

Check the items below periodically (once every six months). Check them also when the
ambient conditions or environment change.
WARNING
WARNING
Item
Supply voltage
module.)
Power supply
Check whether the power terminal screw is not loose.
Check whether the cable is not damaged.
Check whether the controller unit's base unit is secured firmly.
Check whether the TC-net I/O unit's base unit is secured firmly.
Installed
Check whether the modules of the controller unit are secured
conditions
firmly.
Check whether the cable connector is not loose and the cable is
not damaged.
Check whether there is no problem with the functionality of nV-Tool Perform simple operations.
nV-Tool
Check whether the connector is not loose and the cable is not
damaged.
Measure the voltage at the I/O terminal block of each I/O module. Must meet the criterion.
Check the input status display LED.
Check the output status display LED.
TC-net I/O
Check whether the I/O terminal block is fixed firmly.
Check whether terminal screws are not loose and there are no
possibilities of contact between screws.
Check whether the cable is not damaged.
Ambient Check the temperature, humidity, vibration, and dust amount and
environment other related environmental conditions meet the criteria.
Check whether the contents of the controller module program and
Programs
the nV-Tool master program match.
Check whether the battery is not needed to be replaced. (The
battery installation date is labeled on the controller module's
Battery
maintenance cover.)
Check whether the battery connector is connected firmly.
Fan unit Clean the filter.
Installation
Replace the fan unit.
During inspection, pay close attention when
measuring the supply voltage at the power terminal of
the module.
Otherwise, it may cause an electric shock.
Never attempt to remodel, repair, disassemble, or
adjust the equipment, any module, or board.
Otherwise, this may cause an electric shock.
Contact our branch office/service agent if you have an
operation failure and a trouble.
Periodic inspections
Table.8.2
Inspections
.
(Measure at the power terminal block of the
Unified Controller Vm Series Controller typeS Instruction Manual
Instruction
Prohibited
Criterion
AC 85 to 264V
Must not be loose.
Must not be damaged.
Must not be loose or rattle.
Must not be loose or rattle.
Must not be loose or rattle.
Must not be loose or be damaged.
Must not be loose or be damaged.
Must lighten up normally.
Must lighten up normally.
Must not be loosen or rattle.
Must have no risk of looseness or
contact.
Must not be damaged.
Must meet the requirements of
general specification.
Perform a compare check. The
contents should be matched.
the battery should be replaced
every 5 years (Recommended).
Must not be loosen.
There must not have any trash,
dust, or dirt on the fan unit's air
filter.
The unit or connector must not be
loose. The cable must not be
damaged.
Replace the unit every 6 years.
85