Communication by the
Modbus TCP/IP protocol with
Emerson device.
The preconfiguration creates data statically connected to the time values in fixed address space of the
Wireless Gateway. And the data of a single device that is connected to the device on defined
Modbus address.
This preconfiguration can be activated when creating a new object (e.g. by
"New object ..." in the context menu of the object or by pressing the
Insert key after selecting the object).
This preconfiguration is included in the
"/ Communication / Protocols and other communications / Modbus" group.
This preconfiguration can be created in the
PmaFolder,
PmaRoot or
PmaPrototype object.
- The preconfiguration is created including the panel (object of the
PmaPanel type) is functional also as
Web panel.
- The panel serves for communication testing and it is not essential for the communication functionality.
In the
PmaComm object named "
Comm" the communication parameters are set (
Network address, ...).
The
PmaCommGroup object named "
data" includes a "
Parameters" tab where
Special Parameters are defined (see
PmModbusMr - Driver for communication by the Modbus Master protocol). On the "
Data" tab, the items are imported by data extension of items defined in the
PmaData object (see
ExtComm).
The
PmaPanel object serves for displaying the settings of the communication between the application and the connected device. The caption section is included. The status and quality of the inputs and outputs of the connected device are indicated by different colors. There are three columns with
PmgBox objects. These objects share the same
dinx parameter. The parameter specifies the index (order) of the data for the specific group (
AI,
DI,
DO). The embedded objects in each panel use this parameter in order to connect to the correct data source. These objects display the values, names and quality according to the current status. In the digital output column, there are two
ON/
OFF buttons for controling the digital outputs.
These configurators can be set before the preconfiguration is created:
The name of created object | Name of the object created in the Pma object tree.
The maximum name length is 30 characters.
This is a system name, so it must contain only alphanumeric and must not contain any diacritics (i.e. national dependent characters), empty string, spaces and first character must not be a number.
Default: "CommEmerson" |
|
Network address | Network address of the remote device (e.g. of the PLC device), to which the communication will be connected.
The address can be entered as:
- IPv4 full address (e.g. "192.168.0.15")
- IPv4 address of this computer (i.e. "127.0.0.1")
- IPv4 computer name (e.g. "server11")
- IPv4 name of this computer (i.e. "localhost")
- IPv6 full address (e.g. "2a02:c38:8136:800a:37a:ab66:6fc9:accd")
- IPv6 address of this computer (i.e. "::1")
Macro expression can be used for input (it is evaluated after the application is launched).
After the preconfiguration is created, the "PmaComm > Setting the parameters of the Ethernet-client > Network address" configurator will be set to this value. |
Communication refresh rate [ms] | The period in milliseconds to be used for reading the current data by the PROMOTIC application.
After the preconfiguration is created, the "PmaCommGroup > Parameters > Communication refresh rate [ms]" configurator will be set to this value. |
|
Connected device name | |
The Modbus address is entered in abbreviated form (address - 40000), for example: the real address is 40010, but enter only 10. Single device can provide multiple values. Enter the Modbus address where the desired values are present. | |
Modbus address of the register - PV | Single device can provide multiple values. Enter the Modbus address where the desired values are present. |
Modbus address of the register - SV | Single device can provide multiple values. Enter the Modbus address where the desired values are present. |
Modbus address of the register - TV | Single device can provide multiple values. Enter the Modbus address where the desired values are present. |
Modbus address of the register - QV | Single device can provide multiple values. Enter the Modbus address where the desired values are present. |
|
Create panel for test data | Creates panel that monitors the statistics of communication values |
Panel title | Displayed in the panel header |
---|
If the connected device contains more than 8 inputs or outputs, then it is necessary to modify the preconfiguration for the increased count:
- add the corresponding data item into the
PmaData object
- modify the added data item in
ExtComm and set the corresponding
ItemId
- in the panel copy the new
PmgBox and modify the value of the
dinx parameter