Parameters and firmware blocks
259
90.05 ENC CABLE FAULT FW block: ENCODER (see above)
Selects the action in case an encoder cable fault is detected by the FEN-xx encoder interface.
Notes:
• This functionality is only available with the absolute encoder input of the FEN-11 based on sine/
cosine incremental signals, and with the HTL input of the FEN-31.
• When the encoder input is used for speed feedback (see 22.01 SPEED FB SEL), this parameter
may be overridden by parameter 22.09 SPEED FB FAULT.
(0) No Cable fault detection inactive.
(1) Fault The drive trips on an ENCODER 1/2 CABLE fault.
(2) Warning The drive generates an ENCODER 1/2 CABLE warning. This is the
recommended setting if the maximum pulse frequency of sine/cosine
incremental signals exceeds 100 kHz; at high frequencies, the signals
may attenuate enough to invoke the function. The maximum pulse
frequency can be calculated as follows:
90.06 INVERT ENC SIG FW block: None
Rotation direction of encoder signals can be inverted separately without cabling changes.
(0) No Encoder rotation directions are not inverted.
(1) Enc1 Encoder 1 rotation direction is inverted.
(2) Enc2 Encoder 2 rotation direction is inverted.
(3) Both Both encoder 1 and 2 rotation directions are inverted.
90.10 ENC PAR REFRESH FW block: ENCODER (see above)
Setting this parameter to 1 forces a reconfiguration of the FEN-xx interfaces, which is needed for any
parameter changes in groups 90…93 to take effect.
Note: This parameter cannot be changed while the drive is running.
(0) Done Refreshing done.
(1) Configure Reconfigure. The value will automatically revert to DONE.
Pulses per revolution (par. 91.01) × Maximum speed in rpm
60
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