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Chapter 10 Set Limits and Relays
ÖTo program
LIMITS OR RELAYS
, follow these steps:
NOTE: PRESS
MAX/MIN/LIMITS
, AT ANY TIME, BEFORE STORING THE LAST DIGIT OR SWITCH.
MAX
AC VOLTS
A B C N
AC AMPS
MAX/MIN
LIMITS
VOLTS
PRINT
PROG
PHASE
NEXT
4.
AMPS
B C A
I I I
A B C
N N N
I I I
A B C
LM2
LM1MIN
MAX
AC VOLTS
A B C N
AC AMPS
MAX/MIN
LIMITS
VOLTS
PRINT
PROG
PHASE
NEXT
40.
AMPS
B C A
I I I
A B C
N N N
I I I
A B C
LM2
LM1MIN
_
_
_
Step 1:
a.
Enter Group Level of Programming Mode,
(see Chapter 2).
b.
Press MAX/MIN/LIMITS until 4. appears in upper
display.
c.
Press VOLTS to activate the Group.
Step 2:
a.
Press MAX/MIN/LIMITS to select desired
Function (0-3).
Ö
Lower display provides the currently selected value for
whether to trip above or below on Relay 1 and Relay 2.
LEFT SWITCH
: UP position indicates above tripping
value for lower display’s value. DOWN position indicates
below tripping value for lower display’s value.
MIDDLE SWITCH
: UP position sets Relay 1 to trip.
DOWN position doesn’t activate Relay 1 when limit
condition exists.
RIGHT SWITCH
: Same as Middle Switch, regarding
Relay 2.
b.
Press PRINT/PROG to toggle between LM1 and LM2
setting.
Ö
The LM1 or LM2 annunciator indicates the limit being
displayed.
MAX
AC VOLTS
A B C N
AC AMPS
MAX/MIN
LIMITS
VOLTS
PRINT
PROG
PHASE
NEXT
40
AMPS
B C A
I I I
A B C
N N N
I I I
A B C
LM2
LM1MIN
_
_
_
MAX
AC VOLTS
A B C N
AC AMPS
MAX/MIN
LIMITS
VOLTS
PRINT
PROG
PHASE
NEXT
40.
AMPS
B C A
I I I
A B C
N N N
I I I
A B C
LM2
LM1MIN
_
_
_
Step 3
:
a.
Press VOLTS once.
Ö
Lower display is replaced with three dashes.
F
OLLOW THIS STEP FOR
D
ISABLING THE
L
IMIT
:
a.
Press VOLTS (wait 3-6 seconds) to Disable the Limit.
Ö
The Set Above/ Below will be set to below.
Ö
Trip Relay 1
will be disabled.
Ö
Trip Relay 2
will be disabled.
Ö
The Level of the Limit will be set to 000.
36
GE Industrial Systems