TotalFlow XRC6490, Руководство пользователя

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A-161
250 Log Period Record See note 2) None
Tube Log Period Usage Notes:
1.
Log Period Alarm Bits -
0x00080000, 524288 - Flow rate high limit
0x00040000, 262144 - Flow rate low limit
0x00020000, 131072 - Temperature high limit
0x00010000, 65536 - Temperature low limit
0x00008000,
32768 - Static pressure high limit
0x00004000, 16384 - Static pressure low limit
0x00002000, 8192 - Acf high limit
0x00001000, 4096 - Acf low limit
0x00000800, 2048 - Zero flow
0x00000400, 1024 - Back flow
0x00000200, 512 - Remote sense (DI)
0x00000100, 256 - contact out (DO)
0x00000080, 128 - temperature channel A/D over-range
0x00000040, 64 - static pressure channel A/D over-range
0x00000020, 32 - differential pressure channel A/D over-range
0x00000010, 16 - low charger
0x00000008, 8 - low lithium battery
0x00000004, 4 - AIU / analyzer data not received
0x00000002, 2 - NX19 methane=1 / gravity=0 method
0x00000001, 1 - calculation error
2.
Log Period Record definition –
typedef struct
{
unsigned long date; /* Julian Date / Time */
unsigned int sn; /* Sequence Number */
float Acf; /* period avg ACF */
float ap; /* period avg AP */
float tf; /* period avg TEMP */
float ext; /* period EXTENSION */
float vol; /* period VOLUME */
float btu; /* period ENERGY */
unsigned int ftime; /* period FLOWTIME */
unsigned int ptime; /* period TIME */
unsigned char aflags[3];
/* period ALARMS */
unsigned char vcode; /* Verification Code */
float
mass; /* Day Mass */
float contract_baro; /* Average Contract Day baro pressure */
float avg_base_density; /* Average Day base density */
float avg_line_density; /* Average Day flowing density */
float avg_dayrec_tfrq; /* Average Day turbine frequency */
} LOGRECORD;