ADL500 • Quick installation guide - Specifications and connection 83
Bit Value Name Description
1EH Permissible operation temperature is exceeded
(1) Can also be set after the power supply is switched off or on.
(2) Only for battery-buffered encoders
10.2.1 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
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
cause.
10.2.2 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 Description
8 0x100 Setup error 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.
9 0x200
Compatibility
error
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.
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