The Modbus Coil Register is configured as follows:

1. Go to the Modbus Coil Register object settings panel which is created on the basis of the Modbus Device object.
   

2. In the Address field (1), enter the Coil Register address in the register map of this device.

   The register map is provided by the vendor.

   
   

3. From the Value drop-down list (2), select the coil register value: Reset or Set.
4. Click the Read value button (3) if it is necessary to read the device register.
5. Click the Write value button (4) if it is necessary to specify the selected value to the device register.
6. Set the Auto update checkbox (5) if it is necessary to automatically read the register values with the interval specified on the Modbus Device object settings panel.
7. From the Rule drop-down list (6), select the rule to which this Register will obey (see Configuring the Modbus Rule).
8. Set the Value change checkbox (7) if it is not necessary to display the events on the register value change in the Event Log. 

9. Uncheck the Indicator change checkbox (8) if it is necessary to allow displaying of the register values in the plain text on the map.

   Value change of this parameter will be applied after restarting the ACFA-Intellect Server.

   
   

10. Set the Config event checkbox (9) if it is not necessary to display the events in the Event Protocol when the rule is triggered.
11. Click Apply (10) to save the changes.

The Modbus Coil Register is now configured.