Models 2518/2519Ethernet Smart A/D™Revised July 25, 2003INSTRUCTION MANUALSensoray Co., Inc.7313 SW Tech Center Dr., Tigard, Oregon 97223voice: 503.68

Sensoray Model 2518/2519 Ethernet Smart A/D™ 7 Network Interface3.5.1 Trivial NetworksIn its simplest form, a client-server Ethernet network consists

Sensoray Model 2518/2519 Ethernet Smart A/D™ 8 ConfigurationChapter 4: Configuration4.1 OverviewVarious hardware options are configured by installin

Sensoray Model 2518/2519 Ethernet Smart A/D™ 9 ConfigurationTable 1 illustrates how to install shunts for all of the possible values of the field-prog

Sensoray Model 2518/2519 Ethernet Smart A/D™ 10 ConfigurationFigure 9: Model 518 programming shunts4.3.2 Base Address SelectionIRQ and I/O addresses

Sensoray Model 2518/2519 Ethernet Smart A/D™ 11 ConfigurationThe following table shows the mapping between channels and affiliated shunt pairs for SCC

Sensoray Model 2518/2519 Ethernet Smart A/D™ 12 Sensor ConnectionsChapter 5: Sensor Connections5.1 OverviewSensors connect to the Smart A/D™ by mean

Sensoray Model 2518/2519 Ethernet Smart A/D™ 13 Sensor ConnectionsSmall excursions beyond the CMV limit may degrade measurement accuracy on the offend

Sensoray Model 2518/2519 Ethernet Smart A/D™ 14 Sensor Connectionswhere they are tied together. This circuit eliminates cable loss effects from both t

Sensoray Model 2518/2519 Ethernet Smart A/D™ 15 Sensor Connectionswires transport the gage output signal to the Smart A/D™ measurement circuitry.Figur

Sensoray Model 2518/2519 Ethernet Smart A/D™ 16 ProgrammingChapter 6: Programming6.1 OverviewThe Smart A/D™ is programmed by means of a small, power

Table of ContentsSensoray Model 2518/2519 Ethernet Smart A/D™ i Table of ContentsBasics1.1 Limited Warranty . . . . . . . . . . . . . . . . 11.2 Speci

Sensoray Model 2518/2519 Ethernet Smart A/D™ 17 ProgrammingFor details on this function, refer to the documentation supplied on the distribution diske

Sensoray Model 2518/2519 Ethernet Smart A/D™ 18 Programmingyour application, you need not execute this function at all.Any attempt to declare an unsup

Sensoray Model 2518/2519 Ethernet Smart A/D™ 19 Programming6.5.2 GetSensorData()Returns the most recently acquired sensor data from one sensor channe

Sensoray Model 2518/2519 Ethernet Smart A/D™ 20 Programmingnegative with respect to LowLimit, while the channel alarm is armed.The HighLimit and LowLi

Sensoray Model 2518/2519 Ethernet Smart A/D™ 21 ProgrammingTypically, this function is invoked just before a call to SetGageSpan. Together, the SetGag

Sensoray Model 2518/2519 Ethernet Smart A/D™ 22 CalibrationChapter 7: Calibration7.1 OverviewSmart A/D™ boards are factory calibrated to meet or exc

Sensoray Model 2518/2519 Ethernet Smart A/D™ 23 Theory of OperationChapter 8: Smart A/D™ Theory of Operation8.1 FirmwareThe Smart A/D™’s internal mi

Sensoray Model 2518/2519 Ethernet Smart A/D™ 24 Theory of OperationChapter 9: Smart A/D™ Timing9.1 OverviewThree Smart A/D™ timing parameters are im

Sensoray Model 2518/2519 Ethernet Smart A/D™ 25 Theory of Operation9.3.2 Secondary InfluencesAnother influence on the update rate is the frequency of

Sensoray Model 2518/2519 Ethernet Smart A/D™ 26 SpecificationsChapter 10: Specifications10.1 General Specifications Table 8: General SpecificationsC

Sensoray Model 2518/2519 Ethernet Smart A/D™ ii Table of Contents6.5 Sensor Acquisition Functions . . . . . 186.5.1 GetAmbientTemp()6.5.2 GetSensorDat

Sensoray Model 2518/2519 Ethernet Smart A/D™ 27 Specifications10.2 Sensor SpecificationsNotes1. Measurement resolution and accuracy is specified for

Sensoray Model 2518/2519 Ethernet Smart A/D™ 1 BasicsChapter 1: Basics1.1 Limited WarrantySensoray Company, Incorporated (Sensoray) warrants the Mod

Sensoray Model 2518/2519 Ethernet Smart A/D™ 2 IntroductionChapter 2: Introduction2.1 Functional DescriptionSensoray Smart A/D™ models 2518 and 2519

Sensoray Model 2518/2519 Ethernet Smart A/D™ 3 Introduction2.2 Product Featuresq Remote operation on any 10BASE-T Ethernet network.q Up to 4096 senso

Sensoray Model 2518/2519 Ethernet Smart A/D™ 4 Introduction2.4 Watchdog TimerTwo watchdog timers are implemented on the Ethernet base board. One tim

Sensoray Model 2518/2519 Ethernet Smart A/D™ 5 Network InterfaceChapter 3: Network Interface3.1 The Smart A/D™ ParadigmBy virtue of the I/O services

Sensoray Model 2518/2519 Ethernet Smart A/D™ 6 Network Interfaceimprovements can be realized by implementing only those protocols that are needed for