Allen-Bradley GuardPLC 1753, Safety Reference Manual

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66 Publication 1753-RM002C-EN-P - September 2008
Chapter 5 GuardPLC DeviceNet Safety Scanner
17 Is the maximum Communication Time Slice
value on the Resource Configuration dialog in
RSLogix Guard PLUS! Hardware Management
greater than or equal to the maximum
Communication Time Slice value reported on
the Statistics tab of the RSLogix Guard PLUS!
Control Panel?
18 Is the Watchdog Time (WDZ) value on the
Resource Configuration dialog greater than or
equal to the maximum Cycle Time value
reported on the Statistics tab of the RSLogix
Guard PLUS! control panel?
19 Is the Safety Time value on the Resource
Configuration dialog greater than twice the
Watchdog Time Value?
20 Is the Scanner Receive Timeout setting on the
GuardPLC tab in RSNetWorx for DeviceNet
equal to the WDZ time of the controller?
21 Is the HSP connection establishment setting
(auto/manual) properly configured and
managed (if applicable) for the application?
After adjusting all reaction time parameters based on statistics gathered during verification
22 For each input-output chain, does the sum of
the reaction times of all network links and
modules traversed yield an acceptable
input-output single-fault reaction time for the
associated safety function of the application?
23 Have you executed the Safety Device
Verification Wizard?
24 Did you review and print the verification
report for your records?
Checklist for Configuration, Programming, and Start-up of
DeviceNet Safety Scanner