11ć7, End b, Troubleshooting chapter 11 – Rockwell Automation 1771-QB Linear Pos. User Manual

Page 169

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Troubleshooting

Chapter 11

11Ć7

Figure 11.2

Troubleshooting Flowchart (Continued)

END

B

Moves

executed

correctly

?

Execute a move to

each setpoint.

NO

YES

Establish

auto mode.

1. Check for active stop or

reset commands.

2. ReĆcheck for errors in

status block.

3. Check setpoint's

position, velocity,

acceleration and

deceleration.

4. Ensure that axis

initialization and tuning

has been performed

correctly.

Flowchart Notes

1. Refer to the Table 11.A.

2. Guard against damage to equipment by powering down the system before

removing or installing any module.

3. The module address programmed in the block transfer instruction must be

the address of the Linear Positioning Module. The rack number in the
module address must match the setting of the I/O chassis switches.

4. Refer to the application programs in Chapter 10 for examples of rungs that

perform this function.

5. If you are using hardware jogs, check the status block to ensure that the

discrete inputs have been enabled. The status block shows the current state
of each discrete input.

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