There are two SOAP/XML Web Services available with the FactoryCast SOAP/XML Server.
1. ModbusXMLDA Web Service - This service allows direct access to PLC variables by physical address.
The operations available are ReadDeviceIdentification, ReadMultipleRegisters, WriteMultipleRegisters, ReadCoils, WriteMultipleCoils, and ReadDiscreteInputs.
2. SymbolicXMLDA Web Service - This service allows access to PLC variables via symbolic name.
The operations available are Read, Write, and Browse. The variables must be located variables.
Limitations: Only standard register variables are available. No access to unlocated variables.
The Web services are not intended to replace real-time drivers for large data exchanges, such as OPC or proprietary drivers.
Legacy KB System (APS) Data: RESL181140 V1.0, Originally authored by DaSo on 12/18/2006, Last Edited by DaSo on 12/18/2006
Related ranges: Modicon Quantum