![]() If a connection breaks down, the block automatically switches to another connection (can be parameterized in “SIMATIC Modbus/TCP CP Red” and “SIMATIC Modbus/TCP PN Red”). The sample CFC projects were created with PCS 7 V7.1 SP2 and PCS 7 V8 respectively.īlocks with the Redundancy function provide the option of establishing redundant communication. All Modbus/TCP blocks are released for PCS 7 V7.1, PCS 7 V8 and PCS 7 V9.x. ![]() The “SIMATIC Modbus/TCP PAC” product reads out the values of the base type 3 and the energy meters. The “SIMATIC Modbus/TCP CP”, “SIMATIC Modbus/TCP PN”, “SIMATIC Modbus/TCP PN Red” and “SIMATIC Modbus/TCP Red” products support function codes 1, 2, 3, 4, 5, 6, 15 and 16.
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