Table of Contents
7.9.20.7 SNMP
..............................................................................
296
7.9.20.8 Ping (IP)
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297
7.9.20.9 Micro-Serial Server
.........................................................
297
7.9.20.10
Modbus TCP/IP
..........................................................
297
7.9.20.11
DHCP
.........................................................................
297
7.9.20.12
DNS
............................................................................
297
7.9.20.13
SMTP
..........................................................................
297
7.9.20.14
HTTPS
........................................................................
297
7.9.21
Wind Vector
...........................................................................
298
7.9.21.1 OutputOpt Parameters
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298
7.9.21.2 Wind Vector Processing
..................................................
299
7.9.21.2.1
Measured Raw Data
............................................
299
7.9.21.2.2
Calculations
.........................................................
300
8.
Operation 305
8.1 Measurements — Details
.....................................................................
305
8.1.1
Time Keeping — Details
........................................................
305
8.1.1.1 Time Stamps
....................................................................
305
8.1.2
Analog Measurements — Details
...........................................
307
8.1.2.1
Voltage Measurements — Details
...................................
307
8.1.2.1.1 Voltage Measurement Mechanics
.............................
307
8.1.2.1.2 Voltage Measurement Limitations
............................
310
8.1.2.1.3 Voltage Measurement Quality
..................................
312
8.1.2.2 Thermocouple Measurements
..........................................
328
8.1.2.3
Current Measurements — Details
....................................
329
8.1.2.4
Resistance Measurements — Details
...............................
329
8.1.2.4.1 Ac Excitation
............................................................
334
8.1.2.4.2 Resistance Measurements — Accuracy
....................
335
8.1.2.5
Strain Measurements — Details
......................................
336
8.1.3
Pulse Measurements — Details
..............................................
337
8.1.3.1
Terminal Specific Application Notes
...............................
340
8.1.3.2 Low-Level Ac Measurements
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340
8.1.3.3 High-Frequency Measurements
.......................................
341
8.1.3.3.1 Frequency Resolution
...............................................
341
8.1.3.3.2 Frequency Measurement Q & A
...............................
342
8.1.3.4
Switch-Closure and Open-Collector Measurements
........
343
8.1.3.5 Edge Timing
....................................................................
343
8.1.3.6 Edge Counting
.................................................................
344
8.1.3.7 Pulse Measurement Tips
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344
8.1.3.7.1 Pay Attention to Specifications
.................................
345
8.1.3.7.2 Input Filters and Signal Attenuation
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345
8.1.4
Period Averaging — Details
...................................................
346
8.1.5
Vibrating-Wire Measurements — Details
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347
8.1.5.1 Vspect Measurements
......................................................
348
8.1.5.1.1 Quickstart
..................................................................
349
8.1.5.1.2 Static Vspect Measurement Theory
..........................
350
8.1.5.1.3 Vspect Connections
..................................................
357
8.1.5.1.4 Vspect Programming
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357
8.1.6
Reading Smart Sensors — Details
..........................................
365
8.1.6.1 SDI-12 Recording
............................................................
365
8.1.6.2 RS-232 and TTL
..............................................................
366
8.1.7
Field Calibration — Overview
...............................................
366
13