Rockwell Automation 1732DS-IB8 User Manual page 111

Inspection Items
Inspection Details
Item
Environmental Are ambient and cabinet temperatures correct?
conditions
Are ambient and cabinet humidity correct?
Has dust or dirt accumulated?
Installation Are the units installed securely?
conditions
Are the connectors of the communication cables
fully inserted?
Are the external wiring screws tight?
Are the connecting cables undamaged?
Safety relays Does the safety relay contact go to OFF state?
operation
Inspect the Modules
Inspect the system periodically to keep it in optimal operating
condition. In general, inspect the system once every 6 or 12 months,
but inspect more frequently if the system is used in high-temperature,
humid, or dusty conditions.
Prepare the following equipment before inspecting the system.
• Equipment required for regular inspection
– Phillips screwdriver
– Flat-blade screwdriver
– Screwdriver for connecting communication connectors
– Tester (or digital voltmeter)
– Industrial alcohol and clean cloth
• Other equipment that can be required
– Synchroscope
– Oscilloscope
– Thermometer or hygrometer
Check the items indicated in the table and correct any condition that is
below standard.
Standard
Refer to the specifications for each module Thermometer
Refer to the specifications for each module Hygrometer
No dust or dirt
No loose units
No loose connectors
No loose wiring screws
No external damage
No welded contact
The maintenance interval for relay contacts must not exceed a
ATTENTION
period of 6 months to fulfill category 4 in accordance with
EN 954-1.
G7SA-2A2B must be used when replacing safety relays.
Maintain Your Modules
Equipment
Visual inspection
Phillips screwdriver
Flat-blade
screwdriver
Flat-blade
screwdriver
Visual inspection
Visual inspection
Publication 1791DS-UM001H-EN-P - April 2009
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