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6.13 Alarms

The features of the DT800’s alarms can be readily demonstrated on the SSP, for example
(Prog25.dl8)

Fig. 36.

Fig. 37.

Increase and decrease the voltage by rotating potentiometer 1. The LED on digital channel 3 will
illuminate when the input voltage on channel 1 exceeds 1000mV. A message is also sent to the host
computer if the setpoint threshold is exceeded.

Page

Содержание DT800

Страница 1: ...DT800 Demonstration Sensor Simulation Panel Operating Instructions...

Страница 2: ...s 13 5 9 Digital Outputs 13 5 10 Relay 13 5 11 Flexible Tongue 14 5 12 Analog Output 15 5 13 Thermocouple 15 5 14 Scan Schedules 15 5 14 1 Polled 15 5 14 2 Real Time 16 5 14 3 Digital Events 16 5 14 4...

Страница 3: ...24 6 11 Thermocouple 25 6 12 Scan Schedules 25 6 12 1 Polled 25 6 12 2 Real Time 25 6 12 3 Digital Events 26 6 12 4 Counter Events 26 6 12 5 While Digital Event 26 6 12 6 Change of CV 27 6 13 Alarms 2...

Страница 4: ...rce of test inputs and outputs during the development and testing of dataTaker programs and calculations procedures As a source of test inputs and outputs during the development and testing of applica...

Страница 5: ...Fig 3 Fig 4 Closing the case Page 5...

Страница 6: ...Fig 5 Fig 6 Page 6...

Страница 7: ...Fig 7 Fig 8 Page 7...

Страница 8: ...l to ambient light Ruler configured as a full bridge in which 2 halves of the ruler are two active arms of the bridge DB9 connector for serial data channel configured as a PC COM1 2 push buttons digit...

Страница 9: ...DC serial data channel power supply provided on terminal Serial 12V These power supplies are turned on by the DT800 commands P47 5 1SSPWR 1 Most of the sensors and actuators require one or other of th...

Страница 10: ...are approximate 1V a variable voltage in the range of 0 to 1800 mV 1I a variable current in the range 0 to 18 mA 1 I a variable current in the range 4 to 20 mA 1 L a variable current loop in the rang...

Страница 11: ...ND This repeatedly outputs an excitation current into the speaker coil which will also drive the device as a speaker producing a soft beep when each reading is taken 5 5 Light Sensor Labelled 5V The l...

Страница 12: ...100 markings are touched respectively 5 7 Serial Data Channel Labelled Serial Sensor RS232 The SSP provides a 9 pin D connector for the RS232 function of the serial data channel of the DT800 This con...

Страница 13: ...ut channels 1 and 2 respectively The state of the push buttons and the number of pushes can be read by the program Prog13 dxc BEGIN Push P47 5 1SSPWR 1 RA1S 1DS 1C 2DS 2C END 5 9 Digital Outputs The S...

Страница 14: ...depressed The strain on the tongue can be zeroed or tared as follows Prog14 dxc BEGIN Tongue_2 2BGI 1CV W RA500T 2BGI 2CV W 3CV Change 2CV 1CV END The tongue also has a coil in blue block on its free...

Страница 15: ...green LED on to approximately half intensity Prog16 dxc BEGIN Output 1CV 10000 RA100T VO 1CV 1CV 1CV 100 END 5 13 Thermocouple If you connected the thermocouple supplied with the DT800 to analog inpu...

Страница 16: ...1 RA2C 5 Schedule triggers when counter 2 reaches 5 1V 3R 4PT385 5V 1 2DS END Press push button 2 to produce counts events 5 14 5 Trigger schedule only while digital state is true Prog22 dxc BEGIN Whi...

Страница 17: ...larm P47 5 1SSPWR 1 RA1S ALARM 1V 1000 3DSO High Voltage c u M J END Increase and decrease the voltage by rotating potentiometer 1 The LED on digital channel 3 will illuminate when the input voltage o...

Страница 18: ...riable voltage in the range of 0 to 1800 mV 1I a variable current in the range 0 to 18 mA 1 I a variable current in the range 4 to 20 mA 1 L a variable current loop in the range 0 to 100 These inputs...

Страница 19: ...ig 13 6 4 Speaker Microphone Labelled 1 V 7C LT The speaker microphone is connected to analog terminal 1 and digital input 7 A signal waveform can be captured from the microphone by the DeLogger progr...

Страница 20: ...16 This repeatedly outputs an excitation current into the speaker coil which will also drive the device as a speaker producing a soft beep as each reading is taken 6 5 Light Sensor Labelled 5V The lig...

Страница 21: ...o the 0 marking and the reading will be around 300 ppm touch the lead onto the 100 marking and the reading will be around 300 ppm touch the lead onto the 50 marking and the reading will be around 0 pp...

Страница 22: ...ould be demonstrated by connecting an RS232 serial dot matrix or ticket printer to the SSP or a PC running a terminal program such as DeTransfer or HyperTerminal and running the following program Prog...

Страница 23: ...bridge The strain on the tongue as the tongue is depressed can be read by the program Prog13 dl8 Fig 24 The strain will increase from approximately 3500 to 3540 PPM as the tongue is fully depressed T...

Страница 24: ...tive analog output voltages The analog output can be set by the command VO level where level is in millivolts in the range 10000 to 10000mV For example the command VO 5000 will turn the yellow LED on...

Страница 25: ...be monitored by the command Prog18 dl8 Fig 29 6 12 Scan Schedules The SSP can be used to demonstrate several of the scan schedule triggers available in the DT800 as follows 6 12 1 Poll trigger by hos...

Страница 26: ...rog21 dl8 Fig 32 Press push button 1 to produce digital events 6 12 4 Counter event trigger Prog22 dl8 Fig 33 Press push button 2 to produce counts events 6 12 5 Trigger schedule only while digital st...

Страница 27: ...ss push button 1 to stop schedule scanning 6 12 6 Trigger schedule by change of value of a CV Prog24 dl8 Fig 35 Send 1CV 1 and 1CV 0 commands from host PC DeLogger text window to trigger schedule Page...

Страница 28: ...for example Prog25 dl8 Fig 36 Fig 37 Increase and decrease the voltage by rotating potentiometer 1 The LED on digital channel 3 will illuminate when the input voltage on channel 1 exceeds 1000mV A me...

Страница 29: ...4 Pro For details of the dataTaker programming language wiring configurations and capabilities please consult your dataTakers User s Manual All software manuals etc for use with your dataTaker can be...

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