Test - Calibration - ABB REF601 CEI User Manual And Technical Description

1MDU07205-YN rev. F
5.2.9.1
REF601 CEI
User's manual
Sub menu – Calibration
It is required to calibrate the fi xed error in the measurement chain because of
attenuation resistor in Line 1, Line 2 & Line 3 and also to calibrate the earth channel.
Interactive user screens provide step-by-step procedure for calibration process.
Calibration process is divided into subsections based on the type of CT selected.
User can select or skip calibration for particular CT.
In case of no selection during each calibration point from user i.e. either Yes or No,
automatically next screen will appear after timeout of 5sec.
Figure 33 shows complete calibration process fl ow.
T e s t
if user selects Y e s
C a l i b S t a r t e d
p l e a s e w a i t . . .
C a l i b D o n e
f o r I n 4 0
if user selects Y e s
C a l i b S t a r t e d
p l e a s e w a i t . . .
C a l i b D o n e
f o r I n 8 0
Fig. 33- Test sub menu calibration with display
Menu structure & LHMI Navigation
T e s t
C a l i b r a t i o n : N o
if user selects Y e s
C a l i b r a t e I n 4 0
Y e s : U P N o : D O W N
C a l i b F a u l t
or
f o r I n 4 0
C a l i b r a t e I n 8 0
Y e s : U P N o : D O W N
C a l i b F a u l t
or
f o r I n 8 0
if user selects N o
or times out
if user selects N o
or times out
A
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