Campbell Scientific CR6 CR6 Measurement and Control System - Page 177
PulseCountReset Instruction
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Section 7. Installation Scan(1,Sec,1,0) 'Measurements 'Battery Voltage Battery(Batt_Volt) 'Wiring Panel Temperature PanelTemp(PTemp_C,_60Hz) 'Type T Thermocouple measurements: TCDiff(AirTemp_C,1,mV200C,U1,TypeT,PTemp_C,True,0,60,1,0) TCDiff(AirTemp_F,1,mV200C,U1,TypeT,PTemp_C,True,0,60,1.8,32) 'Convert from degree C to degree F AirTemp2_F = AirTemp_C * 1.8 + 32 'Count the number of times through the program. This demonstrates the use of a 'Long integer variable in counters. Counter = Counter + 1 'Calculate the difference between air and panel temps DeltaT_C = AirTemp_C - PTemp_C 'Control the flag based on the difference in temperature. 'set Flag 1 high, otherwise set it low If DeltaT_C >= 3 Then Flag(1) = high Else Flag(1) = low EndIf If DeltaT >= 3 then 'Turn LED connected to Port 1 on when Flag 1 is high If Flag(1) = high Then PortSet(1,1) 'alternate syntax: Else PortSet(1,0) 'alternate syntax: EndIf PortSet(1,high) PortSet(1,low) 'Count how many times the DataEvent "DeltaT_C>=3" has occurred. The 'TableName.EventCount syntax is used to return the number of data storage events 'that have occurred for an event driven table. This example looks in the data 'table "Event", which is declared above, and reports the event count. The (1,1) 'after EventCount just needs to be included. HowMany = Event.EventCount(1,1) 'Call Data Tables CallTable(OneMin) CallTable(Event) NextScan EndProg 7.9.1.5 PulseCountReset Instruction PulseCountReset is used in rare instances to force the reset or zeroing of CR6 pulse accumulators (see Measurement Inputs (p. 56) ). 177
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