Rockwell-automation 1771-QB Linear Pos. Manual de usuario descargar pdf (Pagina 166)

Troubleshooting

Chapter 11

114

4. Connect the -GATE terminal (3/4) to the -INTERR terminal (7/8).

5. Power up the axis and check the status block for feedback faults.

If you still experience feedback faults, make sure that your transducer power

supply is providing +5 VDC (+

5%) through terminals 9 and 10 on the module’s

wiring arm.

If there aren’t any feedback faults, then the problems originated in the

transducer or the cabling. Check the cable by performing the loopback test

again with the gate and interrogate lines connected at the far end of the cable

instead of at the module.

The flowchart in Figure 11.2 provides a logical procedure to help you isolate a

problem with the Linear Positioning Module. You can also use it at system

startup to check out the module for proper operation. Numbered explanatory

notes follow the flowchart. Many of the flowchart boxes that specify corrective

actions contain more than one instruction. When using the flowchart, perform

instruction 1 first. If this fails to correct the problem, perform instruction 2, and

so on.

Your ladder diagram program should allow you to display parameter, setpoint,

motion, command and status blocks on an industrial terminal.

Troubleshooting Flowchart

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Rockwell-automation 1771-QB Linear Pos. Manual de usuario Pagina 166