
PT610, PT620, PT630
Instruction Manual
86
7.2 QUESTIONS AND ANSWERS
Questions and Answers below may help if you get into difficulty. Notes in relation to a PC refer to a PC
running Microsoft Windows.
Question
:
My PC could not interface with the instrument. How can I check the COM port?
Answer
:
− Connect the instrument to the PC and run Hyper Terminal or alternate terminal program.
− Check COM ports as described in The Diagnostic Test section
[9--]
− Short circuit your RS232C COM port RXD and TXD pins. Check if the sending of data is
received.
− Connecting a multimeter on AC volt setting across TXD and GND will show activity if the
device or PC is transmitting.
Question
:
AzCom installation needs a restart every time. How can I install it?
Answer
:
− Read and follow the installation notes in the installation directory.
).
Question
:
AzCom could not connect to the instrument. What can I do?
Answer
:
− Check the power, data cabling and LED status of the instrument.
− Check PC port settings.
− Remove other connections. Re-energize the instrument and then make connection.
− Verify any required COM port drivers are installed. In Windows, check the device
manager.
Question
:
My PC doesn’t have a COM port. How can I connect instrument to my PC?
Answer
:
− You can use an RS-232 / USB or RS-485/USB converter for serial interfacing via USB
port, available from PT, and select the COM port with in the Connection Settings menu.
Question
:
My PC has a COM port but I couldn’t see the COM port in the Connection Settings menu.
How can I solve that problem?
Answer
:
− Other software may already be connected to that COM port. Close all applications before
running AzCom.
Question
:
I need very fast interfacing. What is the response delay time of the instrumnet?
Answer
:
− The response delay is a maximum of 4 milliseconds for weight data. Extremely fast
interfacing.
Question
:
What is the external data update rate of the instrument?
Answer
:
− Only continuous data output rate might be called external update rate, which depends on
the baud rate and data length but can be up to 100 readings per second.
Question
:
How can I check the Ethernet connection?
Answer
:
− The Ethernet port can be pinged. Issue the command ping followed by the IP address of
the Ethernet port set in the instrument parameters from any computer on the network with
the instrument. You should see a short response time.
Question
:
EtherX is searching but it could not find any instrument over the Local Area Network.
Answer
:
− Check the Exceptions tab in Windows Firewall settings. EtherX should be marked.
− Check the firewall of any Anti-virus program to make sure it is not being blocked.
Question
:
I have made a crossover connection with the instrument but EtherX could not find it.
Answer
:
− Check the Internet Protocol (TCP/IP) Properties in Local Area Connection of Windows.
− IP address and gateway address blocks of the instrument and PC should be the same in a
cross over connection.
7.3 ADDITIONAL RESOURCES
Technical Note TN 16.779 Software and Communication with Azure Series Instruments.
Additional product information API 17.581 AzComIA Software for Azure Advanced Indicators.