Diagnostics
Document No. D106-009
Page 65 of 76
Revision 1.15
Statistic
Description
File Read Count
The number of file read transactions executed by the Modbus Router module.
File Write Count
The number of file write transactions executed by the Modbus Router
module.
Error Count
The number of status errors received from the SLC/MicroLogix by the Modbus
Router.
Last Status Error Code
The value of the last status error received.
Table 5.5 – SLC/MicroLogix statistics
The Map Items tab will display the successful packet counts processed by each mapping item.
If an item count changes, then the success count field will be displayed with a green
background for approximately 3 seconds. This provides quick visual feedback as to which
items are currently active.
The fields in the map items will adjust to suite the appropriate mode. No items are displayed
in Unscheduled mode.
Figure 5.8. - Map Item status
5.3.
MODBUS DIAGNOSTICS
The Modbus Router supports Modbus diagnostics (function code 8) which can be read from
the Modbus Master. This functionality will only be available when the Modbus Router is
running in Reactive Mode. This will provide some basic tests for checking the communication