User Guide - Eurotherm Ltda

nanodac RECORDER/CONTROLLER: USER GUIDE3.4.12 Modbus Master Display Mode (Cont.)PING DETAILSSlave NameSlave addressTotal no of successful readand write transactionsTotal no of failed readand write transactionsPing initiation field.}}Slave 1 Slave 2nanodac123.123.123.123266841Ping...3rd Party123.123.123.12400Ping...Green: Ping successfulRed: Ping failed3rd Party123.123.123.12400Start3rd Party123.123.123.12420Ping...Figure 3.4.12b Slave 2 ping initiation (Slave 1 similar)The ‘Ping...’ field of the first slave is highlighted by default. As shown above, the down (or up) arrow can beused to highlight the ‘Ping...’ field of the other slave instead.Once the relevant ‘Ping...’ field is highlighted, the scroll key can be used to enter edit mode and the up/downarrow key used to select ‘Start’. A further operation of the scroll key initiates the ‘Ping’ and if this is successful,a green indicator appears alongside the field (and the text returns to ‘Ping...’). If the Ping is unsuccessful,then the indicator is coloured red.The up or down arrow can now be used to return to slave 1, or the page key can be used to return to theprevious parameter display page.As shown in the figure above, some diagnostic information is given. This includes the total number of successfulattempts that the master has made to communicate with the relevant slave, and the total number offailed attempts. Fuller diagnostic details are to be found in the Modbus Master Communications configurationdescription (Section 4.9)Page 46HA030554Issue 7 Nov 12