Delta DVP-ES3 Series Hardware Manual

DVP-ES3/EX3/SV3/SX3 Series Hardware and Operation Manual
D-4
_D
D.3 Periodic Maintenance
In addition to daily inspection, you should perform periodic maintenance depending on the actual operating
environment. After making sure that the ambient environment and the PLC Series system conform to the cautions
listed in Section D.1, perform the periodic inspection described below. If you find any problems, follow the solution and
perform any necessary maintenance.
D.3.1 Periodic Inspection
No. Item Inspection Criterion Remedy
1
Ambient environment
Ambient
temperature/hu
midity
The ambient temperature
and the ambient humidity
are measured by a
thermometer and a
hygrometer.
The ambient temperature
and the ambient humidity
must conform to the
specifications for the
modules or the
backplane. If the
specifications are
different, the strictest
specifications have
priority.
To ensure that the system
operates in a stable
environment, determine
why the environment
varies, and resolve the
issue.
Atmosphere Measure corrosive gas.
Corrosive gas must not
be present.
2 Supply voltage
Measure the AC power
supply.
The power supply should
meet the specifications
for the power supply
module.
Check the power supply.
3
Installation
Looseness
Check whether the
module is loose.
The module must be
installed firmly.
Please refer to its module
manual for more
information on installing
the module.
Adhesion of
dirt
Check the appearance. Dirt must not be present. Remove the dirt.
4
Connection
Looseness of
terminal
screws
Tighten the screws with a
screwdriver.
The screws must not be
loose.
Tighten the screws.

Delta DVP-ES3 Series Specifications

General

Brand	Delta
Model	DVP-ES3 Series
Category	Controller
Language	English