Svantek SVAN 979, Руководство пользователя

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SVAN 979 User Manual - Appendixes
Word
number
Name Comment
3 TriggerSource
triggering source (parameter relevant only to modes in which
triggering is related to signal level):
0
– triggering by RMS/Leq level from the first profile,
– remaining values reserved
4 TriggerLevel
triggering threshold value in 0.01 dB format (parameter relevant only
for modes in which triggering is related to signal level)
5
reserved
6 TriggerPre
recording period before triggering condition occurs in the 10 ms
format (parameter relevant only for recording on trigger and in alarm
mode)
7
reserved
8 TriggerStep
triggering status check period in 0.1 ms format - zero means period
equal to logger step (parameter relevant only for recording with
triggering)
9 SamplingFreq
signal rate Sample in 10 Hz format
10 RecTime
maximum recording time in seconds - zero means no registration
time limit (parameter relevant only for recording with triggering)
11 RecFilter
measurement filter for the recorded signal:
0
–
HP
1
–
Z
2
–
A
3
–
C
5
–
B
12 BitsPerSample
number of bits per sample
13 TriggerOnMarker
marker triggering (parameter relevant only to triggering mode):
0
– disabled
1
– enabled
… reserved
Table B.1.12. Parameters of external port settings (Multifunction I/O)
Word
number
Name Comment
0 0nn2Eh
2Eh = block identifier
0nnh = block length in words
1 Mode
port mode:
0
– analog output (
Analog Out )
1
– digital input (
Digital In ),
2
– digital output (
Digital Out )
2 Function
port function for digital input mode:
0
– external triggering input
port function for digital output mode:
0
– external triggering pulse output
1
– alarm pulse output
3 ActiveLevel
impulse active level (parameter relevant only to alarm pulse function
in digital output mode):
0
– low active level (Low)
1
– high active level (High)