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11.2Procedure for Communication with HHT

This section describes the HHT basic operations for communication between the flowmeter and HHT. For details, refer to the HHT instruction manual.

*Carrying out the following preparatory operations to a commercially available PDA (OS: Windows CE), the PDA can be used as a HHT.

Procedure

Operation

 

 

Prepare a hand-held terminal (1)

Install the AF900 application software to a

 

commercially available PDA (OS: Windows CE) main

 

unit. Then insert the serial interface card supplied

 

with AF900 to the card slot of the PDA.

 

 

Prepare a hand-held terminal (2)

Connect the HART interface cable and serial interface

 

card supplied with AF900 to each other.

 

 

Connect the HHT

Connect the alligator clips at the end of the HART

 

interface cable to the current output line of the

 

converter via a load resistor.

 

 

Start the HHT

Turn on the power supply of the PDA to start the

 

AF900 application software.

 

 

Preliminary communication

Execute [sensor communication]. The model name of

 

the connected sensor product is automatically

 

identified and the converter menu screen appears.

 

 

Check or change the data

Press the relevant parameter button and check or

 

change the desired data.

 

 

Exit the communication

When all of the operations are complete, press the

 

[Exist Application] in the top screen to turn off the

 

power supply of the PDA.

 

 

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Toshiba L5232 manual Procedure for Communication with HHT, 151