Reset Speed Fbk Loss Alarm; Encoder Error Alarm - gefran ADL300 Installations

9.2.1

Reset Speed fbk loss alarm

The reasons for activating the Speed fbk loss alarm and the information acquired by the encoder are shown in parameter
2172 SpdFbkLoss code.
If no card has been installed the Speed fbk loss [22] alarm is generated and no cause is displayed in parameter 2172
SpdFbkLoss code. Several causes may be present at the same time.
If no card is recognised, the system runs a routine that always returns Speed fbk loss [22] active without specifying a
cause.
9.2.2

Encoder error alarm

Setup is performed each time the drive is turned on, regardless of the regulation mode that has been selected. If an error
is detected during setup the Encoder error alarm is generated with the following codes:
Bit Value Name
8 0x100 Setup error
Compatibility
9 0x200
error
ADL300 - Fast installations and commissioning
Cause: An error occurred during setup. When this has been signalled the information obtained from the encoder is not reliable.
Solution: Take the action recommended for Speed fbk loss [22] alarm according to the type of encoder.
Cause: Firmware on option card incompatible with firmware on regulation card.
When this has been signalled the information obtained from the encoder is not reliable.
Solution: Contact Gefran in order to update the firmware on the optional card.
Description
Pag. 44 of 52