GE EPM 3000P - Manual (Page 37)

Chapter 9 Programming GROUP 2: Meter Calibration
9.2 G ROUP 2, F UNCTIONS 0-8: H IGH E ND C ALIBRATION OF V OLTAGE C HANNELS , H IGH & L OW E ND
C ALIBRATION OF A MPERAGE C HANNELS
To change the CALIBRATION, follow these steps:
NOTE: PRESS MAX/MIN/LIMITS, AT ANY TIME, TO CANCEL BEFORE STORING THE LAST DIGIT OR SWITCH.
MAX
AC VOLTS
A B C N
AC AMPS
MAX/MIN
LIMITS
VOLTS PRINT
PROG PHASE
NEXT
2.
AMPS
B C A I I I
A B C
N N N I I I
A B C
LM2 LM1 MIN MAX
AC VOLTS
A B C N
AC AMPS
MAX/MIN
LIMITS
VOLTS PRINT
PROG PHASE
NEXT
2 I.
AMPS
B C A I I I
A B C
N N N I I I
A B C
LM2 LM1 MIN
I20
Step 1:
a. Enter Group Level of Programming Mode,
(see Chapter 6).
b. Press MAX/MIN/LIMITS until 2. appears in upper
display.
c. Press VOLTS activate the Group.
A one-digit password is required to continue.
d. Press PRINT/PROG until 5 appears.
e. Press VOLTS to select.
Step 2:
Refer to Table 9-0 for Function Number that
corresponds to channel requiring calibration.
a. Press MAX/MIN/LIMITS (to calibrate VOLTS BN) until
21. appears in upper display.
(2P is pre-calibrated. This is a factory set value and
should not be altered).
MAX
AC VOLTS
A B C N
AC AMPS
MAX/MIN
LIMITS
VOLTS PRINT
PROG PHASE
NEXT
2 I
AMPS
B C A I I I
A B C
N N N I I I
A B C
LM2 LM1 MIN
I _ _
MAX
AC VOLTS
A B C N
AC AMPS
MAX/MIN
LIMITS
VOLTS PRINT
PROG PHASE
NEXT
2 I.
AMPS
B C A I I I
A B C
N N N I I I
A B C
LM2 LM1 MIN
I20
Step 3:
Apply the calibration to the appropriate channel.
a. Press VOLTS to activate calibration.
b. Press PRINT/PROG for desired number.
Press PRINT/PROG once and the blank signifies a zero.
Press PRINT/PROG twice and 1 appears.
c. Press VOLTS to store.
When complete, lower display indicates the calibrated
reading after 10-15 seconds.
Step 4:
a. Press MAX/MIN/LIMITS to exit calibration sequence.
Proceed to calibrate another function, or exit.
See Chapter 12 to Exit.
R EPEAT THIS PROCEDURE FOR FUNCTIONS 0 - 5.
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GE Industrial Systems