Device Module Description
Harmony_Wireless_ModbusSL Device Module Description
The Device Module provides a ready-to-use coding template as a pattern to read the signals from a Harmony ZBRN2 wireless receiver. Communication between the EcoStruxure Machine Expert controller and the receiver is via Modbus SL.
The Device Module Harmony_Wireless_ModbusSL is represented by a function template and consists of a global variable list (GVL), a program, and a preconfigured generic Modbus slave under the . After instantiation of the Device Module, these objects are added to your project. They appear with the name which has been assigned using Add Function From Template.
The GVL provides the variables which are used to apply the wireless receiver in your application. For each channel, a variable of type BOOL is declared and mapped in the I/O mapping of the device. In the program only the monitoring of the communication is processed.