ICP DAS WISE User Manual
http://wise.icpdas.com
209
ii
Define the evaluation criteria of the status in IF statement to be
“OFF”, “ON”, “ON to OFF”, “OFF to ON” or “Change”. Once
the Coil Output value matches the evaluation criteria, the result
of this condition evaluation will be “true”.
Please note: If the
statement involves state transitions: “ON to OFF”, “OFF to
ON” and “Change”, the action will be executed only once and
only at the moment when the state transition occurs.
iii
Click “OK” button to confirm the settings and return to the Rule
settings page.
10.1.2.3 Input Register
Input Register value from Modbus TCP/RTU Slave module can be
included in the IF condition statements; the editing page for Input
Register Condition Setting is shown as below:
Figure 10-15
:
Input Register condition setting page
Follow the steps below:
i
Specify the module and the address of the Modbus TCP/RTU
Slave module from the dropdown list of the “Module &
Address” section that you are going to include its value in the
IF condition statements.
ii
Set up the expression statement for this Input Register address
value. Select an operator from “=”, “>”, “<”, “>=” or “<=”.
iii
Specify the evaluation value. If this Input Register value match
the evaluation criteria, the result of this condition evaluation
will be “true”. WISE provides 12 values options; you can
compare them with the Input Register value for condition
evaluation. Please refer to “
” for detail.
iv
In order to avoid signal oscillation that may result in instability
to the measurement of the Input Register value or system
operations, the user can set up a Deadband value for the Input