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Test Research, Inc. TR7007M SII User Guide – Hardware 47 9 S ERVICE 9.1 PC/PLC Connecti on First confirm th at the main program has begun testing. If not running, start the program and repeat a test of the PLC. If there …

Test Research, Inc.

TR7007M SII User Guide – Hardware 47

9 SERVICE

9.1 PC/PLC Connection

First confirm that the main program has begun testing. If not running, start the program and

repeat a test of the PLC. If there is still a problem, launch the main program and the PLC I/O

TEST to test the system manually and see if the I/O is operating normally (the settings and

procedure are as the figures below). If there is still no response, carry out Step 2 and Step 3

to examine the wiring and system. If manual testing shows that everything is normal, check

the program version or contact support personnel for assistance.

9.1.1 Open the PC I/O Testing Display

Click on [D

IAGNOSTIC > MACHINE I/O TEST] to start the I/O testing process (refer to the

following figure).

Figure 93: Selecting Machine I/O Test

Test Research, Inc.

48 TR7007M SII User Guide – Hardware

9.1.2 Open the PLC I/O Testing Display.

Follow the procedure below to open the PLC I/O Testing display. Both hidden buttons must

be pressed simultaneously.

Figure 94: Open PLC I/O Test Display