Watlow 12LS Controller Manual de usuario descargar pdf (Pagina 101)

7-3

If ANASOFT runs then the next step is to establish communications with the 12LS. On start up

ANASOFT checks communication with the controller. If the 12LS does not answer, a

communications error message will appear on the display.

7.2.5 Communications Problems

If the computer is functioning properly then the communication interface, cables and connections

must be checked. A number of problems have been traced to bad cables or connections.

7.2.6 Serial Interface

The serial interface must be correctly installed in the computer and set according to the

manufacturers directions. ANASOFT communicates using Comm Port 1. Some multi-function

interface cards allow setting of the comm port this should be done correctly. In addition be careful

that only one communications channel is set as comm port 1. If necessary the communications

port can be changed in the install program.

When the communications interface is correctly installed a scope can be used to check the transmit

line to insure characters are being sent to the 12LS.

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Watlow 12LS Controller Manual de usuario Pagina 101