Inverter overlo a d it – Rockwell Automation 20D PowerFlex 700S AC Drives with Phase II Control Programming Manual User Manual
Page 197

Rockwell Automation Publication 20D-PM001C-EN-P - July 2013
197
Control Block Diagrams
Appendix C
inverter_ovrload_IT.eps
Mtr Over Lo
a
d (
I
2
T)
60
1.
0
p
u
_c
u
rrent
p
u
_c
u
rrent
2
.0 typ
right of c
u
rve
1
.025 typ
time (
s
ec
)
p
u
motor
velocity
DB re
s
is
tor
dc
bus
415
417
416
414
321
0
5
1
Br
a
ke P
u
ls
eW
a
tt
s
{p
u
ls
e w
a
tt
s
@
1
s
ec
}
Br
a
ke W
a
tt
s
Exception Event
2
(B
ra
keOL Trip
)
B
us
Reg
/Br
a
ke Ref
{% of
pe
a
k
a
c line
}
Br
a
ke/B
us
Cnfg
(B
ra
ke En
ab
le
)
p
u
S
ta
tor C
u
rrent fd
b
k
Mtr I
2
T C
a
lib
ra
t
Mtr I2
T Trp ThrH
Mtr OL F
a
ctor
Mtr I2
T C
u
rr Min
337
336
339
340
320
10
11
Exception Event
1
(Mtr OL Trip
)
(Mtr OL Pend
)
338
Mtr I
2
T
S
pd Min
Inverter Overlo
a
d IT
He
a
t
s
ink
a
nd
J
u
nction degree
C
a
lc
u
la
tor
Inverter Over Lo
a
d (
IT
)
0
1
2
3
4
5
6
7
NTC
Pwr EE D
a
ta
Iq Ref Limited
(s
ee torq
u
e
b
lock
)
313
345
343
344
346
Drive OL
S
ta
tus
OL OpnLP C
u
rrLim
He
a
ts
ink Temp
Drive OL JnctTemp
(NTC Open
)
(H
S
OverTemp
)
OL Cl
s
Lp C
u
rrLim
(NTC
S
horted
)
(IT Pending
)
(IT Fold
ba
ck
)
(H
S
Pending
)
(IT Trip
)
(Jnc OverTemp
)
(Inv OTmpTrip
0
(Inv OL Pend
)
(Inv OTmpPend
)
(Inv OLTrip
)
320
355
(B
ra
ke Extern
)
Exception Event
1
D
u
ty Cycle
B
us
Volt
a
ge
PWM Freq
u
ency
Power Device
Ch
a
ra
cteri
s
tic
s
13
14
16
15
308
X
2
Motor NP FLA
O
u
tp
u
t C
u
rrent
1
2
3
4
5
6
B
A
D
C
F
E
H
G
I
Te
s
tPoint
s
P
347 Drive
OL
TP
S
el
P
348
Drive OL TP D
a
ta
No
te
: S
et this par
ame
te
r t
o the minimum
val
ue
fo
r t
he
mot
or ov
er
lo
ad t
rip
to
va
ry
in
ti
m
e at low
sp
ee
ds.
Se
e Mt
page
fo
r mor
e informa
tion.