6-10 Starting Operations
6-44
@ Communications Not Established with Host
Use the following procedure to check communications if the PT and host are not communi-
cating normally.
Note
The whole system may stop, depending on the method used to turn the power ON and OFF.
Always follow the specified procedure when turning the power ON or OFF.
Check cables
Check connections host to PT
Check functional object
addresses
Check the addresses and host names set for functional objects. Be
sure that all address settings are within range.
Check the connections between the PT and the host. Refer to Section 4
Connecting to the Host with Serial Port and Section 5 Connecting to Host via
Ethernet or Controller Link.
Check PT settings
Check the cable models and cable pins.
Refer to Appendix 5 Preparing Connecting Cables.
Check the communications settings under the System Menu.
Refer to 6-6 Communications Settings.
Check the host settings using the CX-Programmer or other Programming
Device. Refer to Section 4 Connecting to Host with Serial Port and Section 5
Connecting to Host via Ethernet or Controller Link.
Check host settings
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