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CHAPTER 8
P
GROUP 1
ROGRAMMING
8.1
S
S
CALE
ELECTIONS AND
Programming GROUP 1 functions provide a selection of Full Scale Settings to accommodate the different CT's and
PT's. The decimal point may be positioned for maximum resolution. The user can perform Scale Selection in each
function. The site technician has a choice of Full Scale selection between volts and kilovolts or amps and kiloamps.
NOTE: D
UE TO THE RESOLUTION CAPABILITY
Tables 8-0 and 8-1 contain Full Scale settings for typical voltages and currents (PT and CT arrangements):
T
8-0
ABLE
INPUT VOLTAGE
120/208V
120/208V
120/208V
277/480V (S
G)
UFFIX
T
8-1
ABLE
INPUT CURRENT
0 - 5A
0 - 1000A
0 - 5000 A
T
8-2: G
1 P
ABLE
ROUP
ROGRAMMING
FUNCTION NUMBER
0.
1.
E.
8.2
G
1, F
ROUP
UNCTIONS
P
LACEMENT
To change the VOLT OR AMP FULL SCALE settings (Function 0 and 1, respectively), follow these steps:
NOTE: PRESS MAX/MIN/LIMITS, AT ANY TIME, TO CANCEL BEFORE STORING THE LAST DIGIT OR SWITCH.
I.
MAX
MIN
MAX/MIN
PRINT
VOLTS
AMPS
LIMITS
PROG
Step 1:
a. Enter Group Level of Programming Mode,
(see Chapter 6).
b. Press MAX/MIN/LIMITS until 1. appears in upper
display.
c. Press VOLTS to activate the Group.
F
S
S
ULL
CALE
ETTINGS
,
READINGS OVER
PT RATIO
1:1 (D
)
IRECT
4:1
12:1
1:1 (D
)
IRECT
CT TYPE
N
ONE
1000/5
5000/5
F
ORMAT
FUNCTION
Full Scale Selection for Volts
Full Scale Selection for Amps
Exit Programming GROUP 1
0-1: F
S
S
ULL
CALE
ETTINGS
AC VOLTS
A B C
A B C
I
I I
I
I
I
N N N
B C A
AC AMPS
A B C N
LM1
LM2
PHASE
NEXT
GE Industrial Systems
2000
COUNTS RESULT IN A LESS STABLE MEASUREMENT
FULL SCALE
120V
480V
1.44KV
300V
FULL SCALE
5.00A
1000A
5.00KA
, V
& A
C
OLT
MP
HANNELS
I0.
I20
MAX
MIN
MAX/MIN
PRINT
VOLTS
LIMITS
PROG
Step 2:
10. appears in upper display.
Lower display indicates Full Scale setting.
A segment appears in upper display.
UP signifies - Kilovolts.
DOWN signifies - Volts.
a. Press VOLTS to begin Data Entry Sequence.
.
, V
& A
D
OLT
MP
ECIMAL
AC VOLTS
A B C
A B C
I I I
I
I I
N N N
B C A
AC AMPS
A B C N
LM1
LM2
PHASE
AMPS
NEXT
29
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