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© Siemens A/S, Flow Instruments, I IA SC PI 3 PRM
Page 7 of 21
File: SITRANS FC410 Demo software user notes for SIMATIC TIA PORTAL V1.1.doc
1.5.1 Block
call
OB1
OB1 call FC94 to initialize the Modbus communication port CB 1241
OB1 call FC95 where examples of Modbus Read / write commands are shown. In FC95 the FB95 is called. This
block execute commands to the SITRANS FC410 flowmeter
OB1
Main
FC95
FC410_DATA
(CALL FC410_MODBUS, FC410_MODBUS_DB)
(FB95, DB95)
FC94
FC410_INIT_MODBUS
Init modbus module
CB 1241 RS485 serial card
(CALL MB_COMM_LOAD, MB_COMM_LOAD_DB)
(FB1080, DB1080)