beautypg.com

Micromod MOD: Extended Modbus (XModbus) OPC Server Users Guide User Manual

Page 17

background image

Extended Modbus OPC Server

Application Tutorial

Figure 3 .2.

Add new Extended
Modbus Device

• Type the name MOD30ML in the Name field (the name is user-configurable and

can be anything!).

• Select the serial communication port of the computer to which the MOD 30ML is

connected, in the Port field. Click on the down arrow in this field to show the drop-
down menu and then select the port. (COM1 for example).

• Type the instrument’s Modbus address in the address field.
• Leave the Timeout in the default value of 1000 ms.

Timeout value in ms is the time for which the OPC server tries to re-establish
communication with the device in the case of a communication failure.

3.

Configure the serial port for the communication: Click on the Edit – Ports button on
this dialog box. The Port Properties dialog box will be displayed as shown below:

3 - 3