204
Maintenance
Section 7-3
7-3
Maintenance
This section describes the routine cleaning and inspection recommended as
regular maintenance.
7-3-1
Cleaning
Clean the DeviceNet Units regularly as described below in order to keep it in
its optimal operating condition.
• Wipe the Unit with a dry, soft cloth for regular cleaning.
• When a spot can’t be removed with a dry cloth, dampen the cloth with a
neutral cleanser, wring out the cloth, and wipe the Unit.
• A smudge may remain on the Unit from gum, vinyl, or tape that was left on
for a long time. Remove the smudge when cleaning.
!Caution
Never use volatile solvents such as paint thinner or benzene or chemical
wipes. These substances could damage the surface of the Unit.
7-3-2
Inspection
Be sure to inspect the system periodically to keep it in its optimal operating
condition. In general, inspect the system once every 6 to 12 months, but
inspect more frequently if the system is used with high temperature or humid-
ity or under dirty/dusty conditions.
Inspection Equipment
Prepare the following equipment before inspecting the system.
Required Equipment
Have a standard and phillips-head screwdriver, multimeter, alcohol, and a
clean cloth.
Equipment that could be needed
Depending on the system conditions, a synchroscope, oscilloscope, ther-
mometer, or hygrometer (to measure humidity) might be needed.
Inspection Procedure
Check the items in the following table and correct any items that are below
standard.
The following table shows the acceptable temperature and humidity ranges for
DeviceNet Units.
Item
Standard
Equipment
Environmental
conditions
Ambient and cabinet temperature
See below.
Thermometer
Ambient and cabinet humidity
See below.
Hygrometer
Dust/dirt accumulation
None
---
Installation
Are the Units installed securely?
No looseness
---
Are the communications connec-
tors fully inserted?
No looseness
---
Are the external wiring screws
tight?
No looseness
---
Are the connecting cables undam-
aged?
No damage
---
Unit
Acceptable temperature
Acceptable humidity*
Master Unit
0
°
C to 55
°
C
10% to 90%
MULTIPLE I/O TERMI-
NAL (Communications
Unit, I/O Units)
–10
°
C to 55
°
C
25% to 85%
Summary of Contents for DRT1-COM
Page 1: ...OPERATION MANUAL Cat No W348 E1 05 DRT1 COM GT1 Series DeviceNet MULTIPLE I O TERMINAL ...
Page 2: ...DRT1 COM GT1 Series DeviceNet MULTIPLE I O TERMINAL Operation Manual Revised May 2003 ...
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Page 233: ...DRT1 COM GT1 Series DeviceNet MULTIPLE I O TERMINAL Cat No W348 E1 05 OPERATION MANUAL ...