Emerson Bristol ControlWave Express Manuel d'instructions télécharger pdf (Page 75)

ControlWave Express Instruction Manual (CI-ControlWave Express)

Note: You can configure RS-485 loopback by setting CPU/System

Controller board switches SW3-1 & SW3-2 ON.

 Port 3 - RS-485 use loop-back wires or CPU Switch SW3 (see

Figure 5-11).

These tests verify the correct operation of the communication ports.

Note: You cannot test a communications port while you are using it.

You can only test currently unused ports. After you complete

testing on all other communication ports (and verify their correct

functioning), you must reconnect (using a now validated port)

and test the remaining untested port.

Test Procedure

Use this procedure to test the communication ports.

1. Connect an external loop-back plug to the port on the CPU you

want to test. Valid ports are:

2. Select Communications on the WINDIAG Main Diagnostics

Menu. The Communications Diagnostic screen opens:

Figure 5-12. Communications Diagnostic Menu

3. Enter 5 in the Number of Passes field.

4. Select a port to test (click  to display all available ports).

Revised Mar-2011 Service & Troubleshooting 5-15

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 87 88

Pas de commentaire

Emerson Bristol ControlWave Express Manuel d'instructions Page 75