ABB ACSM1 Firmware Manual page 189

90.05 ENC CABLE FAULT
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
may be overridden by parameter
(0) No
(1) Fault
(2) Warning
90.06 INVERT ENC SIG
Rotation direction of encoder signals can be inverted separately without cabling changes.
(0) No
(1) Enc1
(2) Enc2
(3) Both
90.10 ENC PAR REFRESH
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
(1) Configure
FW block: ENCODER (see above)
22.09 SPEED FB FAULT.
Cable fault detection inactive.
The drive trips on an ENCODER 1/2 CABLE fault.
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:
Pulses per revolution (par. 91.01) × Maximum speed in rpm
FW block: None
Encoder rotation directions are not inverted.
Encoder 1 rotation direction is inverted.
Encoder 2 rotation direction is inverted.
Both encoder 1 and 2 rotation directions are inverted.
FW block: ENCODER (see above)
Refreshing done.
Reconfigure. The value will automatically revert to DONE.
22.01 SPEED FB SEL), this parameter
60
Parameters and firmware blocks
189