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1592025400 – Vers. 1.0 - 130
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3. IPRO with I/O expansion and/or electronic valve modules Æ CAN
4. IPRO with IPRO Æ Ethernet
14.2 How to configure the bus and variables
Before to start with the configuration, there are some information to take in consideration:
• Only DINT and BOOL variables can be read and write through the bus.
• The total number of variables that iPRO can exchange through the buses depends on
ISaGRAF USB Key (128, 256 or unlimited I/O).
• An external gateway (for example “anybus communicator”) can be used for different
protocols from Modbus (LonWorks, BACNet and Profibus).
To configure the bus, click the icon I/O Wiring ; at the first time the situation of the I/O
Wiring is the following (default configuration for iPRO):
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