Emerson ControlWave GFC Manuel d'instructions télécharger pdf (Page 95)

ControlWave Gas Flow Computer (GFC Plus) Instruction Manual (CI-ControlWave GFC Plus)

Revised Feb-2013 Service & Troubleshooting 5-17

Note: The port you select must correlate to the port on which you

placed the loop-back plug in step 1.

5. Select 115200 or ALL ASYNC as the baud rate (click  to

display all available rates).

6. Click RUN to start the test. At the completion of the test (which

generally takes about 5 seconds), any failed results appear in the

Status field to the right of the RUN button: For example:

 TXD RXD Failure

 CTS RTS Failure

7. Click Return to Menu to display the WINDIAG Main Menu.

5.5 Core Updump

In some cases—such as when a ControlWave GFC Plus fails for no

apparent reason—you can upload a copy of the contents of SRAM and

SDRAM to a PC for support personnel and service engineers to

evaluate. This upload is called a “core updump.”

A core updump may be required if the ControlWave GFC Plus

spontaneously enters a watchdog state that affects all system operation.

This occurs when the system crashes as a result of a CPU timeout

(resulting from improper software operation, a firmware glitch, and so

on). In some cases, the watchdog state can recur but you cannot

logically reproduce the conditions.

The CPU’s RAM contains “crash blocks,” a firmware function provided

specifically for watchdog troubleshooting. You can view and save the

crash blocks by viewing the Crash Block Statistic Web Page (see the

Web_BSI Manual, D5087). On request, you can forward crash block

files to our technical support personnel. If they need additional

information to evaluate the condition, the technical support group may

request a core updump. Once the core updump process generates a file,

you can forward that file to the support personnel for evaluation and

resolution.

Use the following steps to preserve the “failed state” condition at a

system crash and perform a core updump:

1. Set switch SW2-1 on the CPU/System Controller board to OFF

(Disable Watchdog Timer). Set switch SW2-4 to OFF (Enable

Core Updump).

Note: The factory default setting for switch SW2-4 is OFF.

2. Wait for the error condition (typically“NOTRUN” on the LCD

display).

3. Connect the ControlWave GFC Plus’ Comm Port 1 to a PC

using a null modem cable.

4. Set the ControlWave GFC Plus for Recovery Mode by setting

1 2 ... 90 91 92 93 94 95 96 97 98 99 100 ... 105 106

Commentaires sur ces manuels

Pas de commentaire

Emerson ControlWave GFC Manuel d'instructions Page 95

Commentaires sur ces manuels

Produits connexes et manuels pour Unités d'alimentation électrique Emerson ControlWave GFC