The main products

Spare parts spare parts, the DCS control system of PLC system and the robot system spare parts,

Brand advantage: Allen Bradley, BentlyNevada, ABB, Emerson Ovation, Honeywell DCS, Rockwell ICS Triplex, FOXBORO, Schneider PLC, GE Fanuc, Motorola, HIMA, TRICONEX, Prosoft etc. Various kinds of imported industrial parts

Products are widely used in metallurgy, petroleum, glass, aluminum manufacturing, petrochemical industry, coal mine, papermaking, printing, textile printing and dyeing, machinery, electronics, automobile manufacturing, tobacco, plastics machinery, electric power, water conservancy, water treatment/environmental protection, municipal engineering, boiler heating, energy, power transmission and distribution and so on.

HONEYWELL CC-TAOX11 base module

The troubleshooting is performed as follows : – The red LED on the central unit 07 KR 31 gives first hints. The errors detected by the remote units are also displayed here. – If these hints are not sufficient, the error flags have to be read out. For the meaning of the error flags, (see chapters 8.6 "Meaning of the contents of the error word flags" and 8.7 "Reaction on the bus master central unit and the remote units in case of errors"). – The status register EW 07,15 in the central unit supplies additional information to be used for the diagnosis (see chapter 8.2 "Acknowledgement of error messages in the remote units"). – The remote units indicate errors occuring in their area. Detailed information can be obtained by pressing the test key on the units, (see chapter 8.3 "Error flags in the central unit, error classification")

Acknowledgement of error messages in the remote units

The remote units store and display the error messages detected independently of the central unit. The error messages can be acknowledged : – on the remote units by pressing the test button – in the user program by means of the function block CS31QU (this also deletes the error message stored in the central unit) – in the terminal mode by means of the command MAIL (see volume 7.3 chapter 3 "MAIL command"). If the error has not been eliminated, the error message appears again

Errors which occured : The bus line to the remote unit having the unit address 3 has been broken during operation. Error flags in the central unit 07 KR 31 or 07 KT 31 It is assumed that the error flags have been set to 0 by acknowledgement/deletion before the error occured. In the following, only those error flags will be listed the contents of which changes.

Acknowledgement of the error flags

Eliminate the error before acknowledgement. Otherwise the error message will appear again. The bit flags M 255,10 and M 255,13 can be acknowledged by : – power ON – program "Start" (on-line in the programming software 907 PC 331) – cold start (menu item in 907 PC 331) – setting the RUN/STOP switch to RUN – overwriting the flag M 255,13 with "0" in the user program – overwriting the flag M 255,13 with "0" by means of the operating function "Overwrite" (see volume 7.3 chapter 3). – using the function block CS31QU in the user program. The block is applicable only for errors which concern the CS31 system bus. It also deletes the error message in the remote units. The error LED turns off upon the acknowledgement. The word flags MW 255,00…MW 255,07 can only be deleted by overwriting them. They are overwritten by newly occuring errors.