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IP 266 Troubleshooting

Error Code

Recovery Procedure

Cross-

Reference

Invalid position control direction

The encoder's position control direction is checked on an IP 266 cold

restart. If an error is detected, the IP starts mode 4. You must then switch

off the IP 266's 24 V power supply and change the position control

direction (see Section 3.4).

If no error was detected following a positioning operation during which

an analog voltage greater than 5 V was output, the IP 266 deactivates the

position control monitor.

The monitor is reactivated each time mode 4 is started.

FB2

FB5 Target position not yet reached

The setpoint position is already within the target range. The actual

position is still outside the tolerance range of the zero-speed monitor and

is no longer approaching the target coordinate, and the following error is

lower than the specified maximum. Possible causes:

- The tolerance range of the zero-speed monitor is too small

- The gain factor is too low or

- The power section has too much drift (drift compensation, mode 18)

- The position control loop was interrupted during execution of a

traversing operation, and the distance to go is less than the maximum

following error. If the distance to go is greater, however, "Maximum

following error exceeded" is flagged.

Machining program is activeFB3

EWA 4NEB 812 6057-02

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Siemens IP-Module Manual Pagina 341