Integrating a Non-Proprietary Device into the GridVis software

Search in the Modbus address list of your device (non-proprietary device) for the corresponding measurement values.

Enter the Modbus address assigned to the measurement value into the entry field First address to be read.

You can add missing measurement values in the value list by using the button User-Defined Value (Pos. 8).

Register number and size of the address entry.

Selectable Modbis functions:

• Read coil status (fc = 1), e.g. for reading out the digital output states.

• Read input status (fc = 2), e.g. for reading out the digital input states.

• Read holding registers (fc = 3), Standard setting, e.g. for reading out measurement values, counter states and the device configuration.

• Read input registers (fc = 4), e.g. for reading out the analog inputs.

In Value Format, select the byte order of your data type:

• Lower value word first in data types with 32 bit or 64 bit (first word low).

• Higher value byte first in word (Modbus default byte order) - Standard setting.

Measurement values supplied by the GridVis software that should be read out with Modbus.

You can add missing measurement values in the value list by using the button User-Defined Value (Pos.8).

Adds a measurement value to the display Recorded Measurement Values (Pos.9).

Removes a measurement value from the display Recorded Measurement Values (Pos.9).

Creates user-defined measurement values through a dialog (name and unit of the measurement value) that are recorded in the display Recorded Measurement Values (Modbus-Paket).

Display of recorded measurement values (in Modbus packages), that should be read out through Modbus by the measuring device (non-proprietary device).

Measurement Value - Details: Address, value type, format and scaling factor. For this, you will require the data sheet (Modbus profile setup) from the device manufacturer.

Display in Modbus packages (data blocks).

Address of the measurement value assigned from the Modbus address list (device manufacturer data sheet).

Depends on the selected format (data type) of the measurement value.

Measurement value of the device (non-proprietary device) recorded by Modbus.

The Format to be set up, also called data type, can be found in the data sheet (Modbus profile setup) from the device manufacturer.
Possible format settings (data types):

• Floating decimal (32 bit) - 32-Bit-Float

• Floating decimal (64 bit) - 64-Bit-Float

• Short (16 bit)

• Unsigned Short (16 bit)1900

• Integer (32 bit)

• Unsigned Integer (32 bit)

• Integer (64 bit)

Standardized data types:
Byte (8-bit) and register (16-bit). In accordance with the Modbus specifications, the high-byte is always transferred first for a register, followed by the low-byte.

Expanded data types:
32-Bit-Integer and 32-Bit-Float are transferred as 2 consecutive 16-bit registers. 64-Bit-Integer and 64-Bit-Float are transferred as 4 consecutive 16-bit registers.

The scaling factor describes the resolution of the measurement value in the graphical display.

Click on the corresponding button to position your measurement value in the display Recorded Measurement Values.
Buttons:

• To the start of the list.

• Ten positions up.

• One position up.

• One position down.

• Ten positions down.

• Move down.

Saves the configured value list.

Deletes the configured value list.

1

Generic Modbus profile saved in the project with the Modbus packages that were created.

2

List of all the Modbus packages already created in the Modbus profile.

3

Saves the Modbus packages you created in the generic Modbus profile.

4

Creates a new device with the generic Modbus profile that was created (cf. next step).

5

Opens the configuration window for a new Modbus package.

Opens the configuration window of an existing Modbus package.

Deletes the selected Modbus package.

1

Option list Connection Type

For non-proprietary devices that serve as a placeholders for offline configurations.

To connect a serial interface for non-proprietary devices via the interface Modbus RTU (RS485/RS232), (cf. following step Configure Connection - Modbus RTU (RS485/RS232)).

To connect an interface for non-proprietary devices via Modbus Ethernet.

2

Select the Host/IP Address of the master device (master gateway).

3

Select the Device Address of your measuring device (non-proprietary device).

4

In the Modbus protocol, select Modbus-TCP.

The TCP port 502 is reserved for the Modbus-TCP.

Number of attempts for the connection test.

Time setting used to determine whether data packages have been lost in the network.

Time (in ms) in which a confirmation of receipt (Acknowledgment Flags) for a TCP data package arrives from the opposite site at the sender.

Query cycle (in ms) in which the data packages are queried.

5

The data sheet (Modbus profile setup) from the device manufacturer (non-proprietary device) is needed for these settings. Cf. window Configure Modbus Value List.

First Address to be Read Select the Modbus profile setup.

Select the number of registers (the size of the address entry appears in brackets).

Select Modbus function - Standard setting"Read holding registers (fc = 3), e.g. for reading out measurement values, counter states and the device configuration.

6

If the connection test is negative, the window Device Information will open with details on:

• Serial number

• Hardware

• Firmware

If the connection test is negative, the window Connection Test Failed will open:

• Check your configuration and try the connection again.

7

Buttons:

Leads to the first step of the dialog, Select Template.

Is active to get from step 1, Select Template, to the second step,Configure Connection.

Creates a device with the assigned profile.

Deletes the entries in the window Configure Connection

Opens the direct help guide.

1

Option list Connection Type

For non-proprietary devices that serve as a placeholders for offline configurations.

To connect a serial interface for non-proprietary devices via the interface Modbus RTU (RS485/RS232), (cf. following step Configure Connection - Modbus RTU (RS485/RS232)).

To connect an interface for non-proprietary devices via Modbus Ethernet.

2

Select serial interface (COM port).

3

Select baud rate.

Select a uniform baud rate within one bus structure (master/slave principle)!

4

Select the Device Address of your measuring device (non-proprietary device).

5

Number of attempts for the connection test.

Time setting used to determine whether data packages have been lost in the network.

Time (in ms) in which a confirmation of receipt (Acknowledgment Flags) for a TCP data package arrives from the opposite site at the sender.

Query cycle (in ms) in which the data packages are queried.

6

The data sheet (Modbus profile setup) from the device manufacturer (non-proprietary device) is needed for these settings. Cf. window Configure Modbus Value List.

Select First Address to be Read from your Modbus profile setup.

Select the number of registers (the size of the address entry appears in brackets).

Select Modbus function - Standard setting Read holding registers (fc = 3), e.g. for reading out measurement values, counter states and the device configuration.

7

If the connection test is negative, the window Device Information will open with details on:

• Serial number

• Hardware

• Firmware

If the connection test is negative, the window Connection Test Failed will open:

• Check your configuration and try the connection again.

8

Leads to the first step of the dialog Select Template.

Is active to get from step 1, Select Template, to the second step,Configure Connection.

Creates a device with the assigned profile.

Deletes the entries in the window Configure Connection.

Opens the direct help guide.