Related Manuals for Siemens S7-1200 PLC
Summarization of Contents
SIMATIC TIA PORTAL Software
Block Call OB1
Explains OB1 calling FC94 for Modbus initialization and FC95 for command execution.
Block Call FB95
Details FB95 executing read/write commands using MB_master and storing data in DB_FLOW_PARA (DB17).
Read Commands
Lists commands programmed in FB95 for reading process values, identification, totalizer, diagnostics, setup, and alarm status.
Write Commands
Lists commands programmed in FB95 for writing to totalizer, zero point, setup, and aerated flow parameters.
Reading Totalizer - Example
Demonstrates reading the totalizer value using DB17.DBX128.2 and command 220 for FB95.
HMI Screens
Main Screen (000_main)
Displays the main screen with navigation buttons like Main, Setup, Identification, Operating, and Diagnose.
Setup Screen (100_Setup)
Shows the setup screen with quick select options for Flow setup, Zero point adjustment, Aerated flow, and Totalizer.
Access Level Screen (101_Access_level)
Displays the access level screen, showing 'Logged Out' and options to Read, Log In, and Log Out.
Flow Setup Screen (110_Flow_setup)
Presents the flow setup screen with parameters like low mass/volume flow cutoff, process noise damping, and flow direction.
Zero Point Adjustment Screen (120_Zero_Point_Adjust)
Shows the zero point adjustment screen with fields for adjust time, offset value, and standard deviation.
Aerated Flow Screen 1 (131_Aerated_FLOW)
Displays aerated flow parameters, including alarm/warning limits and sample time, with an aerated flow filter option.
Aerated Flow Screen 2 (132_Aerated_FLOW)
Details aerated flow settings, specifically filter time constant, start hysteresis, and minimum filtering time.
Totalizer Screen (140_Totalizer)
Presents the totalizer screen showing the totalizer value and options to read or reset it.
Identification Screen (200_Identification)
Displays the identification screen, showing the sensor serial number.
Operating Screen (300_Operating)
Shows the operating screen with a quick select option for Process Variables.
Process Variables Screen (310_Process_Variables)
Displays process variables like Mass Flow, Volume Flow, Density, and Temperature with units.
Mass Flow Trend Screen (311_Mass_Flow_trend)
Shows a trend graph for Mass Flow, displaying current value and time stamps for the trend.
Diagnose Screen (400_Diagnose)
Presents the diagnose screen with quick select options for Device diagnostic and Alarms.
Device Diagnostic Screen (410_Device_Diagnostic)
Displays device diagnostic information, including driver current, pick-up amplitudes, and sensor frequency.
Alarms Screen (420_Alarms)
Shows alarm information, including alarm groups, quality codes, and process values for quality codes.
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