Campbell NL115 Instruction Manual download pdf (Page 30)

NL115 Ethernet and CompactFlash

Module

Tables 3 and 4 will output the maximum and minimum of the panel

temperature and battery voltage to the card every five seconds. (The tables will

be called once a second. The DataInterval() instruction causes data to only be

stored every five seconds.) The first parameter of the CardOut() instruction is

0, which sets the tables on the card to ring mode. The second parameter is

negative, so all available memory on the card will be allocated to these tables,

once space for the fixed-size tables has been allocated. The datalogger will

attempt to size the tables so that both will be full at the same time.

PROGRAM

'CR1000

Public temp

Public batt

DataTable (Table1,1,-1)

CardOut (1,1000)

Sample(1,temp,IEEE4)

EndTable

DataTable (Table2,1,-1)

CardOut (1,1000)

Sample(1,batt,IEEE4)

EndTable

DataTable (Table3,1,1000)

DataInterval(0,5,sec,4)

CardOut (0 ,-1)

Maximum (1,temp,FP2,False,False)

Minimum (1,temp,FP2,False,False)

EndTable

DataTable (Table4,1,1000)

DataInterval(0,5,sec,4)

CardOut (0 ,-1)

Maximum (1batt,FP2,False,False)

Minimum (1,batt,FP2,False,False)

EndTable

BeginProg

Scan(1,SEC,3,0)

PanelTemp(temp,250)

Battery(Batt)

CallTable Table1

CallTable Table2

CallTable Table3

CallTable Table4

NextScan

EndProg

7.3.3 Table Size and Mode

The size of each data table in CPU memory is set as part of the DataTable()

instruction and the size of each data table on the CF card is set with the

CardOut() instruction. Because they are set independently, they can be

different. It is important to note that if the CPU memory is set to fill-and-stop

mode, once a table is full, all data storage to the table will stop. No more

records will be stored to the CPU memory or the card.

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