Calibration, Smart a/d™ theory of operation, Smart a/d™ timing – Sensoray 2518 User Manual
Page 3: Specifications

Sensoray Model 2518/2519 Ethernet Smart A/D™
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Table of Contents
6.5
Sensor Acquisition Functions . . . . . 18
6.5.1 GetAmbientTemp()
6.5.2 GetSensorData()
6.5.3 GetAllSensors()
6.6
Alarm Functions . . . . . . . . . . . . . . . . 19
6.6.1 Alarm States
6.6.2 SetAlarmLimits()
6.6.3 SetAlarmEnable()
6.6.4 GetAlarms()
6.7
Strain/Pressure Gage Functions . . . 20
6.7.1 SetGageZero()
6.7.2 SetGageSpan()
6.7.3 SetGageTare()
6.7.4 GetGageCal()
6.7.5 SetGageCal()
Calibration
7.1
Overview . . . . . . . . . . . . . . . . . . . . . . 22
7.1.1 User-supplied References
7.1.2 Calibrate()
7.2
Calibration Procedure . . . . . . . . . . . 22
7.2.1 Order of Calibration
7.2.2 Calibration Process
Smart A/D™ Theory of Operation
8.1
Firmware . . . . . . . . . . . . . . . . . . . . . . 23
8.1.1 Digitizer
8.1.2 Cruncher
8.1.3 Command Processor
8.2
Analog Circuits . . . . . . . . . . . . . . . . . 23
8.2.1 Measurement Section
8.2.2 Excitation Section
Smart A/D™ Timing
9.1
Overview . . . . . . . . . . . . . . . . . . . . . . 24
9.2
Slot Time . . . . . . . . . . . . . . . . . . . . . . 24
9.3
Update Rate. . . . . . . . . . . . . . . . . . . . 24
9.3.1 Primary Influences
9.3.2 Secondary Influences
9.4
Data Age . . . . . . . . . . . . . . . . . . . . . . 25
9.4.1 Example
9.5
Communication Latency . . . . . . . . . 25
Specifications
10.1
General Specifications . . . . . . . . . . . 26
10.2
Sensor Specifications . . . . . . . . . . . . 27