Parker 590 series, Руководство по эксплуатации продукта

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Trips and Fault Finding
7-5
590 Series DC Digital Converter
Self Test Alarms
Self Test Alarm and Meaning Possible Reason for Alarm
(EEPROM) CHECKSUM FAIL
Parameters not saved, or are corrupted.
(The alarm appears at power-up or at the end of
“Upload” UDP Transfer)
Corrupted UDP file loaded - press the E key and
perform a PARAMETER SAVE. The Converter will be
returned to its factory default values.
ENABLE CONFIG.
The ENABLE CONFIG. parameter has
been left in the Enable state.
Select Disable for the ENABLE CONFIG. parameter
LANGUAGE CHECKSUM FAIL
Incorrect language selected, or
corrupted
(The alarm appears at power-up or at the end of
“Upload” UDP Transfer)
Corrupted UDP file loaded - press the E key and
reload the correct language or de-select the second
language.
INIT CAL FAIL
Self calibration of analog inputs has
exceeded normal tolerance
(The alarm appears at power-up)
As a temporary measure, the tolerance can be
increased by 0.1% with each press of the E key,
however, this indicates a hardware fault - refer to
Parker SSD Drives.
IA FBK CAL FAIL / IA INST CAL FAIL
The self calibration of the armature
current has failed
(The alarm appears at power-up)
If powering the unit off and on does not remove the
problem, a hardware failure is suspected. Refer to
Parker SSD Drives.
Setting Trip Conditions
The following function blocks (MMI menus) are used to set trip conditions:
OVER SPEED LEVEL
SPDFBK ALM LEVEL
STALL THRESHOLD
STALL TRIP DELAY
Viewing Trip Conditions
The following function blocks (MMI menus) can be viewed to investigate trip conditions:
HEALTH STORE
HEALTH WORD
STALL TRIP
Inhibiting Alarms
The following alarms can be inhibited in the INHIBIT ALARMS menu.
SPEED FEEDBACK
ENCODER FAILED
FIELD FAILED
5703 RCV ERROR
STALL TRIP
Note: The STALL TRIP parameter in the DIAGNOSTICS menu is set regardless of the state of
STALL TRIP inhibit. The flag is set after the stall time-out expires. The relevant bit (bit 12)
in the HEALTH WORD and HEALTH STORE parameters is only set when STALL TRIP is
enabled.