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Affinity User Guide
261
Issue Number: 5 www.controltechniques.com
The trips can be grouped into the following categories. It should be noted that a trip can only occur when the drive is not tripped or is already tripped
but with a trip with a lower priority number.
Although the UV trip operates in a similar way to all other trips, all drive
functions can still operate but the drive cannot be enabled. The following
differences apply to the UV trip:
1. Power-down save user parameters are saved when UV trip is
activated except when the main high voltage supply is not active
(i.e. operating in Low Voltage DC Supply Mode, Pr
6.44
= 1).
2. The UV trip is self-resetting when the DC bus voltage rises above
the drive restart voltage level. If another trip is active instead of UV at
this point, the trip is not reset.
3. The drive can change between using the main high voltage supply
and low voltage DC supply only when the drive is in the under
voltage condition (Pr
10.16
= 1). The UV trip can only be seen as
active if another trip is not active in the under voltage condition.
4. When the drive is first powered up a UV trip is initiated if the supply
voltage is below the restart voltage level and another trip is not
active. This does not cause save power down save parameters to be
saved at this point.
Table 13-4 Trip categories
Priority
Category
Trips
Comments
1
Hardware faults
HF01 to HF16
These indicate fatal problems and cannot be reset. The drive is inactive after one of
these trips and the display shows
HFxx
. The Drive OK relay opens and the serial
comms will not function.
2
Non-resetable trips
HF17 to HF32, SL1.HF,
SL2.HF
Cannot be reset. Requires the drive to be powered down.
3
EEF trip
EEF
Cannot be reset unless a code to load defaults is first entered in Pr
xx.00
or Pr
11.43
.
4
SMARTCARD trips
C.boot, C.Busy, C.Chg,
C.OPtn, C.RdO, C.Err,
C.dat, C.FULL, C.Acc,
C.rtg, C.TyP, C.cpr,
C.Prod
Can be reset after 1.0s
SMARTCARD trips have priority 5 during power-up
4
Power supply trips
PS.24V
Can be reset after 1.0s
5
Autotune
tunE, tunE1 to tunE3
Can be reset after 1.0s, but the drive cannot be made to run unless it is disabled via the
Enable input (terminal 31),
Drive enable
(Pr
6.15
) or the
Control word
(Pr
6.42
and
Pr
6.43
).
5
Normal trips with
extended reset
OI.AC, OI.Br, OIAC.P,
OIBr.P, OIdC.P
Can be reset after 10.0s
5
Normal trips
All other trips not
included in this table
Can be reset after 1.0s
5
Non-important trips
th, thS, Old1, cL2, cL3,
SCL
If Pr
10.37
is 1 or 3 (i.e. bit 0 set to 1), the drive will stop before tripping
5
Phase loss
PH
The drive attempts to stop before tripping
5
Drive over-heat based
on thermal model
O.ht3
The drive attempts to stop before tripping, but if it does not stop within 10s the drive will
automatically trip
6
Self-resetting trips
UV
Under voltage trip cannot be reset by the user, but is automatically reset by the drive
when the supply voltage is with specification
Summary of Contents for Affinity
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