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Communication with SAIA devices

SAIA communication Possibilities of communication with SAIA PLC's from the Saia-Burgess Controls company (www.sbc-support.ch):
 
The standard solution for communication with SAIA devices is to use the PROMOTIC driver: PmSBUS - Driver for communication with SAIA and DIGIControl devices by S-BUS/S-BUS+ protocol . This driver communicates through serial link or Ethernet (i.e. "Serial-S-Net" or "Ether-S-Net" communication type).
 
An OPC server from other firms and the PmOPCClient PROMOTIC component can also be used for the communication. Then the PROMOTIC application will communicate as a client by the OPC interface, i.e. by the PmOpcClient object, the PROMOTIC will be connected to the OPC server and thus communicate with the devices.
 
PLC types:
- PCS1: compact, max. transfer rate of 38400 kB, Ethernet not supported,
- PCD1: max. transfer rate of 38400 kB, Ethernet supporetd
- PCD2: max. transfer rate of 38400 kB, for PCD2.M480 up to 115200 kB, Ethernet supported
- PCD3: max. transfer rate of 115200 kB, Ethernet supported
- PCD4: out of production
 
Notes:
- On Ethernet network (Ether-S-Net) the S-Bus protocol is not sent with the full network speed - but about 2-times faster than the fastest serial link (information from the year 2007).
- For the Profi-S-Net communication type (S-Bus packed to PROFIBUS) the Promotic Ethernet driver can be used in cooperation with HW Profi-S-Link converter.
- Other communication options (Modbus, M-BUS, ProfiNet, etc) can also be used, but the S-Bus protocol is the best for vizualization.
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