GE Digital Energy Multilin 239, Instruction Manual

Page: 10 / 160

1–4 239 MOTOR PROTECTION RELAY – INSTRUCTION MANUAL
CHAPTER 1: OVERVIEW
FIGURE 1–2: Feature Highlights – Front
TR
I
P
ALARM
AUX
I
L
I
AR
Y
S
E
RV
I
C
E
P
I
CKUP
COMMU
NI
CA
T
E
R
E
S
E
T
S
TO
R
E
A
C
T
U
A
L
VA
L
U
E
M
E
S
S
A
G
E
S
E
T
P
O
IN
T
DIS
P
L
A
Y
40
character
illuminated
display
for
all
light
conditions.
•
S
etpoints
•
A
ctual
values
•
S
tatus
messages
•
Fault
conditions
ST
A
T
U
S
INDIC
A
TO
R
S
•
T
rip:
L
it
when
the
239
detects
a
trip.
•
A
larm:
L
it
when
the
239
detects
an
alarm.
•
A
uxiliary:
L
it
when
the
auxiliary
relay
is
operated.
•
S
ervice:
L
it
when
the
239
detects
a
n
internal
fault
condition.
•
P
ickup:
L
it
when
motor
full
load
or
ground
is
exceeded.
•
C
ommunicate:
O
ff
if
there
is
n
o
communication
a
t
all,
flashes
if
RS
485
activity
b
ut
invalid
messages,
a
nd
on
(steady)
if
communication
is
successful.
pickup
KEY
PA
D
R
ubber
keypad
makes
installed
unit
dust
tight
and
splash
proof.
M
eets
I
P
53/NE
MA
12.
PR
OTECTI
V
E
DOO
R
C
overs
keys
when
not
in
use.
COM
PA
CT
DESI
G
N
R
eplaces
many
discrete
components
with
one
standard
unit.
239
Motor Pr
otection Relay
CAUSE OF LAST TRIP: MECHANICAL JAM
819790
A
-
X
2.
C
D
R